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static String expandHiveAuxJarsPath(String original) throws IOException { if (original == null || original.contains(".jar")) return original; File[] files = new File(original).listFiles(); if (files == null || files.length == 0) { LOG.info("No files in to expand in aux jar path. Returning orig...
Normally hive.aux.jars.path is expanded from just being a path to the full list of files in the directory by the hive shell script. Since we normally won't be running from the script, it's up to us to do that work here. We use a heuristic that if there is no occurrence of ".jar" in the original, it needs expansion. Oth...
expandHiveAuxJarsPath
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/HiveUtils.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/HiveUtils.java
Apache-2.0
static String filesToURIString(File[] files) throws IOException { StringBuffer sb = new StringBuffer(); for (int i = 0; i < files.length; i++) { sb.append("file:///").append(files[i].getCanonicalPath()); if (i != files.length - 1) sb.append(","); } return sb.toString(); }
Normally hive.aux.jars.path is expanded from just being a path to the full list of files in the directory by the hive shell script. Since we normally won't be running from the script, it's up to us to do that work here. We use a heuristic that if there is no occurrence of ".jar" in the original, it needs expansion. Oth...
filesToURIString
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/HiveUtils.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/HiveUtils.java
Apache-2.0
public String getComment() { return comment; }
Simple class to represent the resulting schema of a Hive query, which may or may not have been run. We use this simple version of the results rather than exposing Hive's internal classes in order to avoid tying end users to any particular version of Hive or its classes.
getComment
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/ResultSchema.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/ResultSchema.java
Apache-2.0
public String getName() { return name; }
Simple class to represent the resulting schema of a Hive query, which may or may not have been run. We use this simple version of the results rather than exposing Hive's internal classes in order to avoid tying end users to any particular version of Hive or its classes.
getName
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/ResultSchema.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/ResultSchema.java
Apache-2.0
public String getType() { return type; }
Simple class to represent the resulting schema of a Hive query, which may or may not have been run. We use this simple version of the results rather than exposing Hive's internal classes in order to avoid tying end users to any particular version of Hive or its classes.
getType
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/ResultSchema.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/ResultSchema.java
Apache-2.0
public void run() throws HiveViaAzkabanException { if (p == null) { throw new HiveViaAzkabanException("Properties is null. Can't continue"); } if (!p.containsKey(AZK_HIVE_ACTION)) { throw new HiveViaAzkabanException("Must specify a " + AZK_HIVE_ACTION + " key and value."); } ...
Simple Java driver class to execute a Hive query provided via the Properties file. The query can be specified via: * hive.query = a single-line query that will be fed to Hive * hive.query.nn = a two-digit padded series of lines that will be joined and fed to to Hive as one big query
run
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/HiveViaAzkaban.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/HiveViaAzkaban.java
Apache-2.0
@Override public void execute() throws HiveViaAzkabanException { ArrayList<HQL> hql = new ArrayList<HQL>(); hql.add(new UseDatabaseHQL(database)); Configuration conf = new Configuration(); try { FileSystem fs = FileSystem.get(conf); for (String table : tables) { LOG.info("Determi...
Drop all the existing partitions in specified table and then add the latest/greatest/highest directory in the specified subdirectory and add that as the only partition in the table. This action is suitable for tables with full replacement policies where we only want one partition.</p> For example, if we have a table f...
execute
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/DropAllPartitionsAddLatest.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/DropAllPartitionsAddLatest.java
Apache-2.0
private ArrayList<HQL> addAndDrop(FileSystem fs, String basepath, String table) throws IOException, HiveViaAzkabanException { ArrayList<HQL> toDropAndAdd = new ArrayList<HQL>(); ArrayList<String> directories = null; directories = Utils.fetchDirectories(fs, basepath + "/" + table, false); if (dir...
Drop all the existing partitions in specified table and then add the latest/greatest/highest directory in the specified subdirectory and add that as the only partition in the table. This action is suitable for tables with full replacement policies where we only want one partition.</p> For example, if we have a table f...
addAndDrop
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/DropAllPartitionsAddLatest.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/DropAllPartitionsAddLatest.java
Apache-2.0
@SuppressWarnings("Finally") private String extractQueryFromFile(Properties properties) throws HiveViaAzkabanException { String file = properties.getProperty(HIVE_QUERY_FILE); if (file == null) return null; LOG.info("Attempting to read query from file: " + file); StringBuilder contents ...
Execute the provided Hive query. Queries can be specified to Azkaban either directly or as a pointer to a file provided with workflow.
extractQueryFromFile
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
Apache-2.0
@SuppressWarnings("Finally") private String extractQueryFromURL(Properties properties) throws HiveViaAzkabanException { String url = properties.getProperty(HIVE_QUERY_URL); if (url == null) return null; LOG.info("Attempting to retrieve query from URL: " + url); StringBuilder contents = ...
Execute the provided Hive query. Queries can be specified to Azkaban either directly or as a pointer to a file provided with workflow.
extractQueryFromURL
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
Apache-2.0
private String determineQuery(String singleLine, String multiLine, String queryFromFile, String queryFromURL) throws HiveViaAzkabanException { int specifiedValues = 0; for (String s : new String[] { singleLine, multiLine, queryFromFile, queryFromURL }) { if (s != null) specifiedValu...
Execute the provided Hive query. Queries can be specified to Azkaban either directly or as a pointer to a file provided with workflow.
determineQuery
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
Apache-2.0
private String extractMultilineQuery(Properties properties) { ArrayList<String> lines = new ArrayList<String>(); for (int i = 0; i < 100; i++) { String padded = String.format("%02d", i); String value = properties.getProperty(HIVE_QUERY + "." + padded); if (value != null) { lines.add(v...
Execute the provided Hive query. Queries can be specified to Azkaban either directly or as a pointer to a file provided with workflow.
extractMultilineQuery
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
Apache-2.0
@Override public void execute() throws HiveViaAzkabanException { try { hqe.executeQuery(q); } catch (HiveQueryExecutionException e) { throw new HiveViaAzkabanException(e); } }
Execute the provided Hive query. Queries can be specified to Azkaban either directly or as a pointer to a file provided with workflow.
execute
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/ExecuteHiveQuery.java
Apache-2.0
@Override public void execute() throws HiveViaAzkabanException { ArrayList<HQL> hql = new ArrayList<HQL>(); hql.add(new UseDatabaseHQL(database)); Configuration conf = new Configuration(); try { FileSystem fs = FileSystem.get(conf); for (int i = 0; i < tables.length; i++) { LOG.i...
Alter the specified table's location to the 'latest' directory found in specified base directory, where latest is defined as greate lexically.</p> For example, if we have a base dir foo with directories:</p> /foo/2012-01-01</p> /2012-01-02</p> /2012-01-03</p> and we specify table as 'bar', this action wi...
execute
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/UpdateTableLocationToLatest.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/UpdateTableLocationToLatest.java
Apache-2.0
private HQL latestURI(FileSystem fs, String basePath, String table) throws HiveViaAzkabanException, IOException { ArrayList<String> directories = null; // Alter Table Set Location requires full URI... // https://issues.apache.org/jira/browse/HIVE-3860 directories = Utils.fetchDirectories(fs, base...
Alter the specified table's location to the 'latest' directory found in specified base directory, where latest is defined as greate lexically.</p> For example, if we have a base dir foo with directories:</p> /foo/2012-01-01</p> /2012-01-02</p> /2012-01-03</p> and we specify table as 'bar', this action wi...
latestURI
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/UpdateTableLocationToLatest.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/hiveutils/azkaban/hive/actions/UpdateTableLocationToLatest.java
Apache-2.0
public static boolean tryDeleteFileOrDirectory(File file) { try { deleteFileOrDirectory(file); return true; } catch (Exception e) { logger.warn("Failed to delete file. file = " + file.getAbsolutePath(), e); return false; } }
Try to delete File or Directory @param file file object @return success delete or not
tryDeleteFileOrDirectory
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/FileUtils.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/FileUtils.java
Apache-2.0
public static void validateAllOrNone(Props props, String... keys) { Objects.requireNonNull(keys); boolean allExist = true; boolean someExist = false; for (String key : keys) { Object val = props.get(key); allExist &= val != null; someExist |= val != null; } if (someExist && !...
Validates if all of the keys exist of none of them exist @throws IllegalArgumentException only if some of the keys exist
validateAllOrNone
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/ValidationUtils.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/ValidationUtils.java
Apache-2.0
public static void validateAllNotEmpty(Props props, String... keys) { for (String key : keys) { props.getString(key); } }
Validates all keys present in props
validateAllNotEmpty
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/ValidationUtils.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/ValidationUtils.java
Apache-2.0
public static void validateAtleastOneNotEmpty(Props props, String... keys) { boolean exist = false; for (String key : keys) { Object val = props.get(key); exist |= val != null; } if (!exist) { throw new IllegalArgumentException( "At least one of these keys should exist " + Ar...
Validates all keys present in props
validateAtleastOneNotEmpty
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/ValidationUtils.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/ValidationUtils.java
Apache-2.0
public static void validateSomeValuesNotEmpty(int notEmptyVals, String... vals) { int count = 0; for (String val : vals) { if (!StringUtils.isEmpty(val)) { count++; } } if (count != notEmptyVals) { throw new IllegalArgumentException( "Number of not empty vals " + coun...
Validates all keys present in props
validateSomeValuesNotEmpty
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/ValidationUtils.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/ValidationUtils.java
Apache-2.0
public void validateWhitelisted(String id) { if (whitelistSet.contains(id)) { return; } throw new UnsupportedOperationException(id + " is not authorized"); }
Checks if id is in whitelist. @throws UnsupportedOperationException if id is not whitelisted
validateWhitelisted
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/Whitelist.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/Whitelist.java
Apache-2.0
@VisibleForTesting Set<String> retrieveWhitelist(FileSystem fs, Path path) { try { Preconditions.checkArgument( fs.exists(path), "File does not exist at " + path ); Preconditions.checkArgument( fs.isFile(path), "Whitelist path is not a file. " + path ); Set<Strin...
Updates whitelist if there's any change. If it needs to update whitelist, it enforces writelock to make sure there's an exclusive access on shared variables.
retrieveWhitelist
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/Whitelist.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/Whitelist.java
Apache-2.0
@Override public String toString() { return "Whitelist [whitelistSet=" + whitelistSet + "]"; }
Updates whitelist if there's any change. If it needs to update whitelist, it enforces writelock to make sure there's an exclusive access on shared variables.
toString
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/Whitelist.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/main/java/azkaban/jobtype/javautils/Whitelist.java
Apache-2.0
@Before public void beforeMethod() { props = new Props(); }
Test class for constructHadoopTags method in HadoopJobUtils
beforeMethod
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsConstructHadoopTags.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsConstructHadoopTags.java
Apache-2.0
@Test public void testNoTags() { String[] tags = new String[0]; assertThat(HadoopJobUtils.constructHadoopTags(props, tags)).isEqualTo(""); }
Test class for constructHadoopTags method in HadoopJobUtils
testNoTags
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsConstructHadoopTags.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsConstructHadoopTags.java
Apache-2.0
@Test public void testWithTags() { String tag0 = "tag0"; String tag1 = "tag1"; props.put(tag0, "val0"); props.put(tag1, "val1"); String[] tags = new String[] { tag0, tag1 }; assertThat(HadoopJobUtils.constructHadoopTags(props, tags)) .isEqualTo("tag0:val0,tag1:val1"); }
Test class for constructHadoopTags method in HadoopJobUtils
testWithTags
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsConstructHadoopTags.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsConstructHadoopTags.java
Apache-2.0
@Test public void testWithNonExistentTags() { String tag0 = "tag0"; String tag1 = "tag1"; String tag2 = "tag2"; props.put(tag0, "val0"); props.put(tag2, "val2"); String[] tags = new String[] { tag0, tag1, tag2 }; assertThat(HadoopJobUtils.constructHadoopTags(props, tags)) .isEqualT...
Test class for constructHadoopTags method in HadoopJobUtils
testWithNonExistentTags
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsConstructHadoopTags.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsConstructHadoopTags.java
Apache-2.0
@Before public void beforeMethod() throws IOException { originalCommands = new LinkedList<String>(); originalCommands.add("kinit blah@blah"); originalCommands.add("hadoop fs -ls"); originalCommands.add("hadoop fs -mkdir"); originalCommands.add("kdestroy"); }
Test class for filterCommands method in HadoopJobUtils
beforeMethod
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
Apache-2.0
@Test public void testEmptyInputList() { List<String> filteredCommands = HadoopJobUtils.filterCommands(Collections.<String> emptyList(), HadoopJobUtils.MATCH_ALL_REGEX, HadoopJobUtils.MATCH_NONE_REGEX, logger); Assert.assertTrue("filtering output of an empty collection should be empty collection",...
Test class for filterCommands method in HadoopJobUtils
testEmptyInputList
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
Apache-2.0
@Test public void testNoCommandMatchCriteria() { List<String> filteredCommands = HadoopJobUtils.filterCommands(originalCommands, "hadoop.*", "hadoop.*", logger); Assert.assertTrue("filtering output of with no matching command should be empty collection", filteredCommands.isEmpty()); ...
Test class for filterCommands method in HadoopJobUtils
testNoCommandMatchCriteria
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
Apache-2.0
@Test public void testWhitelistCriteria() { List<String> filteredCommands = HadoopJobUtils.filterCommands(originalCommands, "hadoop.*", HadoopJobUtils.MATCH_NONE_REGEX, logger); Assert.assertEquals(filteredCommands.get(0), "hadoop fs -ls"); Assert.assertEquals(filteredCommands.get(1), "hadoop ...
Test class for filterCommands method in HadoopJobUtils
testWhitelistCriteria
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
Apache-2.0
@Test public void testBlackListCriteria() { List<String> filteredCommands = HadoopJobUtils.filterCommands(originalCommands, HadoopJobUtils.MATCH_ALL_REGEX, ".*kinit.*", logger); Assert.assertEquals(filteredCommands.get(0), "hadoop fs -ls"); Assert.assertEquals(filteredCommands.get(1), "hadoop ...
Test class for filterCommands method in HadoopJobUtils
testBlackListCriteria
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
Apache-2.0
@Test public void testMultipleCriterias() { List<String> filteredCommands = HadoopJobUtils.filterCommands(originalCommands, "hadoop.*", ".*kinit.*", logger); Assert.assertEquals(filteredCommands.get(0), "hadoop fs -ls"); Assert.assertEquals(filteredCommands.get(1), "hadoop fs -mkdir"); }
Test class for filterCommands method in HadoopJobUtils
testMultipleCriterias
java
azkaban/azkaban
az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
https://github.com/azkaban/azkaban/blob/master/az-hadoop-jobtype-plugin/src/test/java/azkaban/jobtype/TestHadoopJobUtilsFilterCommands.java
Apache-2.0
@Override public String getName() { return VIEWER_NAME; }
This class implements a viewer of avro files @author lguo
getName
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
Apache-2.0
@Override public Set<Capability> getCapabilities(FileSystem fs, Path path) throws AccessControlException { if (logger.isDebugEnabled()) { logger.debug("path:" + path.toUri().getPath()); } DataFileStream<Object> avroDataStream = null; try { avroDataStream = getAvroDataStream(fs, path...
This class implements a viewer of avro files @author lguo
getCapabilities
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
Apache-2.0
@Override public String getSchema(FileSystem fs, Path path) { if (logger.isDebugEnabled()) { logger.debug("path:" + path.toUri().getPath()); } DataFileStream<Object> avroDataStream = null; try { avroDataStream = getAvroDataStream(fs, path); Schema schema = avroDataStream.getSchema()...
This class implements a viewer of avro files @author lguo
getSchema
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
Apache-2.0
private DataFileStream<Object> getAvroDataStream(FileSystem fs, Path path) throws IOException { if (logger.isDebugEnabled()) { logger.debug("path:" + path.toUri().getPath()); } GenericDatumReader<Object> avroReader = new GenericDatumReader<Object>(); InputStream hdfsInputStream = null; ...
This class implements a viewer of avro files @author lguo
getAvroDataStream
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
Apache-2.0
@Override public void displayFile(FileSystem fs, Path path, OutputStream outputStream, int startLine, int endLine) throws IOException { if (logger.isDebugEnabled()) { logger.debug("display avro file:" + path.toUri().getPath()); } DataFileStream<Object> avroDatastream = null; try { ...
This class implements a viewer of avro files @author lguo
displayFile
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AvroFileViewer.java
Apache-2.0
private void reset(final DataInputStream in, final int length) throws IOException { this.data = new byte[length]; this.dataSize = -1; in.readFully(this.data); this.dataSize = this.data.length; }
Compress sequences of records together in blocks.
reset
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@Override public int getSize() { return this.dataSize; }
Compress sequences of records together in blocks.
getSize
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@Override public void writeUncompressedBytes(final DataOutputStream outStream) throws IOException { outStream.write(this.data, 0, this.dataSize); }
Compress sequences of records together in blocks.
writeUncompressedBytes
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@Override public void writeCompressedBytes(final DataOutputStream outStream) throws IllegalArgumentException, IOException { throw new IllegalArgumentException( "UncompressedBytes cannot be compressed!"); }
Compress sequences of records together in blocks.
writeCompressedBytes
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
private void reset(final DataInputStream in, final int length) throws IOException { this.data = new byte[length]; this.dataSize = -1; in.readFully(this.data); this.dataSize = this.data.length; }
Compress sequences of records together in blocks.
reset
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@Override public int getSize() { return this.dataSize; }
Compress sequences of records together in blocks.
getSize
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@Override public void writeUncompressedBytes(final DataOutputStream outStream) throws IOException { if (this.decompressedStream == null) { this.rawData = new DataInputBuffer(); this.decompressedStream = this.codec.createInputStream(this.rawData); } else { this.decompresse...
Compress sequences of records together in blocks.
writeUncompressedBytes
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@Override public void writeCompressedBytes(final DataOutputStream outStream) throws IllegalArgumentException, IOException { outStream.write(this.data, 0, this.dataSize); }
Compress sequences of records together in blocks.
writeCompressedBytes
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
protected FSDataInputStream openFile(final FileSystem fs, final Path file, final int bufferSize, final long length) throws IOException { return fs.open(file, bufferSize); }
Override this method to specialize the type of {@link FSDataInputStream} returned.
openFile
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
private void init(final boolean tempReader) throws IOException { final byte[] versionBlock = new byte[VERSION.length]; this.in.readFully(versionBlock); if ((versionBlock[0] != VERSION[0]) || (versionBlock[1] != VERSION[1]) || (versionBlock[2] != VERSION[2])) { throw new IOException(...
Initialize the {@link Reader} @param tmpReader <code>true</code> if we are constructing a temporary reader {@link AzkabanSequenceFileReader.Sorter.cloneFileAttributes}, and hence do not initialize every component; <code>false</code> otherwise. @throws IOException
init
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@SuppressWarnings({ "unchecked", "rawtypes" }) private Deserializer getDeserializer(final SerializationFactory sf, final Class c) { return sf.getDeserializer(c); }
Initialize the {@link Reader} @param tmpReader <code>true</code> if we are constructing a temporary reader {@link AzkabanSequenceFileReader.Sorter.cloneFileAttributes}, and hence do not initialize every component; <code>false</code> otherwise. @throws IOException
getDeserializer
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public String getKeyClassName() { return this.keyClassName; }
Returns the name of the key class.
getKeyClassName
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized Class<?> getKeyClass() { if (null == this.keyClass) { try { this.keyClass = WritableName.getClass(getKeyClassName(), this.conf); } catch (final IOException e) { throw new RuntimeException(e); } } return this.keyClass; }
Returns the class of keys in this file.
getKeyClass
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public String getValueClassName() { return this.valClassName; }
Returns the name of the value class.
getValueClassName
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized Class<?> getValueClass() { if (null == this.valClass) { try { this.valClass = WritableName.getClass(getValueClassName(), this.conf); } catch (final IOException e) { throw new RuntimeException(e); } } return this.valClass; }
Returns the class of values in this file.
getValueClass
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public boolean isCompressed() { return this.decompress; }
Returns true if values are compressed.
isCompressed
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public boolean isBlockCompressed() { return this.blockCompressed; }
Returns true if records are block-compressed.
isBlockCompressed
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public CompressionCodec getCompressionCodec() { return this.codec; }
Returns the compression codec of data in this file.
getCompressionCodec
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public Metadata getMetadata() { return this.metadata; }
Returns the metadata object of the file
getMetadata
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
Configuration getConf() { return this.conf; }
Returns the configuration used for this file.
getConf
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
private synchronized void seekToCurrentValue() throws IOException { if (!this.blockCompressed) { if (this.decompress) { this.valInFilter.resetState(); } this.valBuffer.reset(); } else { // Check if this is the first value in the 'block' to be read if (this.l...
Position valLenIn/valIn to the 'value' corresponding to the 'current' key
seekToCurrentValue
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized void getCurrentValue(final Writable val) throws IOException { if (val instanceof Configurable) { ((Configurable) val).setConf(this.conf); } // Position stream to 'current' value seekToCurrentValue(); if (!this.blockCompressed) { val.readFields(this.val...
Get the 'value' corresponding to the last read 'key'. @param val : The 'value' to be read. @throws IOException
getCurrentValue
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized Object getCurrentValue(Object val) throws IOException { if (val instanceof Configurable) { ((Configurable) val).setConf(this.conf); } // Position stream to 'current' value seekToCurrentValue(); if (!this.blockCompressed) { val = deserializeValue(val); ...
Get the 'value' corresponding to the last read 'key'. @param val : The 'value' to be read. @throws IOException
getCurrentValue
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@SuppressWarnings("unchecked") private Object deserializeValue(final Object val) throws IOException { return this.valDeserializer.deserialize(val); }
Get the 'value' corresponding to the last read 'key'. @param val : The 'value' to be read. @throws IOException
deserializeValue
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized boolean next(final Writable key) throws IOException { if (key.getClass() != getKeyClass()) throw new IOException("wrong key class: " + key.getClass().getName() + " is not " + this.keyClass); if (!this.blockCompressed) { this.outBuf.reset(); this.keyL...
Read the next key in the file into <code>key</code>, skipping its value. True if another entry exists, and false at end of file.
next
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized boolean next(final Writable key, final Writable val) throws IOException { if (val.getClass() != getValueClass()) throw new IOException("wrong value class: " + val + " is not " + this.valClass); final boolean more = next(key); if (more) { getCur...
Read the next key/value pair in the file into <code>key</code> and <code>val</code>. Returns true if such a pair exists and false when at end of file
next
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
private synchronized int readRecordLength() throws IOException { if (this.in.getPos() >= this.end) { return -1; } int length = this.in.readInt(); if (this.version > 1 && this.sync != null && length == SYNC_ESCAPE) { // process a ...
Read and return the next record length, potentially skipping over a sync block. @return the length of the next record or -1 if there is no next record @throws IOException
readRecordLength
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized int next(final DataOutputBuffer buffer) throws IOException { // Unsupported for block-compressed sequence files if (this.blockCompressed) { throw new IOException( "Unsupported call for block-compressed" + " SequenceFiles - use SequenceFile.Reader.next(...
@deprecated Call {@link #nextRaw(DataOutputBuffer,SequenceFile.ValueBytes)}.
next
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public ValueBytes createValueBytes() { ValueBytes val = null; if (!this.decompress || this.blockCompressed) { val = new UncompressedBytes(); } else { val = new CompressedBytes(this.codec); } return val; }
@deprecated Call {@link #nextRaw(DataOutputBuffer,SequenceFile.ValueBytes)}.
createValueBytes
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized int nextRaw(final DataOutputBuffer key, final ValueBytes val) throws IOException { if (!this.blockCompressed) { final int length = readRecordLength(); if (length == -1) { return -1; } final int keyLength = this.in.readInt(); final int v...
Read 'raw' records. @param key - The buffer into which the key is read @param val - The 'raw' value @return Returns the total record length or -1 for end of file @throws IOException
nextRaw
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public int nextRawKey(final DataOutputBuffer key) throws IOException { if (!this.blockCompressed) { this.recordLength = readRecordLength(); if (this.recordLength == -1) { return -1; } this.keyLength = this.in.readInt(); key.write(this.in, this.keyLength); ...
Read 'raw' keys. @param key - The buffer into which the key is read @return Returns the key length or -1 for end of file @throws IOException
nextRawKey
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized Object next(Object key) throws IOException { if (key != null && key.getClass() != getKeyClass()) { throw new IOException("wrong key class: " + key.getClass().getName() + " is not " + this.keyClass); } if (!this.blockCompressed) { this.outBuf.reset(); ...
Read the next key in the file, skipping its value. Return null at end of file.
next
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@SuppressWarnings("unchecked") private Object deserializeKey(final Object key) throws IOException { return this.keyDeserializer.deserialize(key); }
Read the next key in the file, skipping its value. Return null at end of file.
deserializeKey
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized int nextRawValue(final ValueBytes val) throws IOException { // Position stream to current value seekToCurrentValue(); if (!this.blockCompressed) { final int valLength = this.recordLength - this.keyLength; if (this.decompress) { final CompressedBytes valu...
Read 'raw' values. @param val - The 'raw' value @return Returns the value length @throws IOException
nextRawValue
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
private void handleChecksumException(final ChecksumException e) throws IOException { if (this.conf.getBoolean("io.skip.checksum.errors", false)) { LOG.warn("Bad checksum at " + getPosition() + ". Skipping entries."); sync(getPosition() + this.conf.getInt("io.bytes.per.checksum", 512)); ...
Read 'raw' values. @param val - The 'raw' value @return Returns the value length @throws IOException
handleChecksumException
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized void seek(final long position) throws IOException { this.in.seek(position); if (this.blockCompressed) { // trigger block read this.noBufferedKeys = 0; this.valuesDecompressed = true; } }
Set the current byte position in the input file. <p> The position passed must be a position returned by {@link AzkabanSequenceFileReader.Writer#getLength()} when writing this file. To seek to an arbitrary position, use {@link Reader#sync(long)}.
seek
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized void sync(final long position) throws IOException { if (position + SYNC_SIZE >= this.end) { seek(this.end); return; } try { seek(position + 4); // skip escape this.in.readFully(this.syncCheck); final int syncLen = this.sync.length; f...
Seek to the next sync mark past a given position.
sync
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public boolean syncSeen() { return this.syncSeen; }
Returns true iff the previous call to next passed a sync mark.
syncSeen
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
public synchronized long getPosition() throws IOException { return this.in.getPos(); }
Return the current byte position in the input file.
getPosition
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@Override /** Returns the name of the file. */ public String toString() { return this.file.toString(); }
Return the current byte position in the input file.
toString
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/AzkabanSequenceFileReader.java
Apache-2.0
@Override public String getName() { return VIEWER_NAME; }
The maximum time spent, in milliseconds, while reading records from the file.
getName
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/BsonFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/BsonFileViewer.java
Apache-2.0
@Override public Set<Capability> getCapabilities(FileSystem fs, Path path) throws AccessControlException { if (path.getName().endsWith(".bson")) { return EnumSet.of(Capability.READ); } return EnumSet.noneOf(Capability.class); }
The maximum time spent, in milliseconds, while reading records from the file.
getCapabilities
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/BsonFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/BsonFileViewer.java
Apache-2.0
@Override public void displayFile(FileSystem fs, Path path, OutputStream outStream, int startLine, int endLine) throws IOException { FSDataInputStream in = null; try { in = fs.open(path, 16 * 1024 * 1024); long endTime = System.currentTimeMillis() + STOP_TIME; BasicBSONCallback call...
The maximum time spent, in milliseconds, while reading records from the file.
displayFile
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/BsonFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/BsonFileViewer.java
Apache-2.0
private FileSystem getFileSystem(final String realIdentity, final String proxyUser) throws HadoopSecurityManagerException { return this.hadoopSecurityManager.getFSAsUser(realIdentity, proxyUser); }
This method is used to get file system as proxy user. Real Identity is passed for audit purpose. @param realIdentity @param proxyUser @return @throws HadoopSecurityManagerException
getFileSystem
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void errorPage(final String user, final HttpServletRequest req, final HttpServletResponse resp, final Session session, final String error) { final Page page = newPage(req, resp, session, "azkaban/viewer/hdfs/velocity/hdfs-browser.vm"); page.add("error_message", "Error: " + erro...
This method is used to get file system as proxy user. Real Identity is passed for audit purpose. @param realIdentity @param proxyUser @return @throws HadoopSecurityManagerException
errorPage
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void errorAjax(final HttpServletResponse resp, final Map<String, Object> ret, final String error) throws IOException { ret.put("error", error); this.writeJSON(resp, ret); }
This method is used to get file system as proxy user. Real Identity is passed for audit purpose. @param realIdentity @param proxyUser @return @throws HadoopSecurityManagerException
errorAjax
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private String getUsername(final HttpServletRequest req, final Session session) throws ServletException { String username = getLoggedInUser(session); if (this.allowGroupProxy) { final String proxyName = (String) session.getSessionData(PROXY_USER_SESSION_KEY); if (proxyName != null) {...
This method will give proxy user if it is set otherwise logged in user from session. @param req @param session @return @throws ServletException
getUsername
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
@Override protected void handleGet(final HttpServletRequest req, final HttpServletResponse resp, final Session session) throws ServletException, IOException { final String proxyUser = getUsername(req, session); String loggedInUser = getLoggedInUser(session); final boolean ajax = hasParam(req, "ajax"...
This method will give proxy user if it is set otherwise logged in user from session. @param req @param session @return @throws ServletException
handleGet
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private String getLoggedInUser(Session session) { final User user = session.getUser(); return user.getUserId(); }
This method will return logged in user from session. @param session @return
getLoggedInUser
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
@Override protected void handlePost(final HttpServletRequest req, final HttpServletResponse resp, final Session session) throws ServletException, IOException { final User user = session.getUser(); if (!hasParam(req, "action")) { return; } final HashMap<String, String> results = new HashMa...
This method will return logged in user from session. @param session @return
handlePost
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private Path getPath(final HttpServletRequest req) { final String prefix = req.getContextPath() + req.getServletPath(); String fsPath = req.getRequestURI().substring(prefix.length()); if (fsPath.length() == 0) { fsPath = "/"; } return new Path(fsPath); }
This method will return logged in user from session. @param session @return
getPath
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void getPathSegments(final Path path, final List<Path> paths, final List<String> segments) { Path curr = path; while (curr.getParent() != null) { paths.add(curr); segments.add(curr.getName()); curr = curr.getParent(); } Collections.reverse(paths); Collections.reverse(...
This method will return logged in user from session. @param session @return
getPathSegments
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private String getHomeDir(final FileSystem fs) { final String homeDirString = fs.getHomeDirectory().toString(); if (homeDirString.startsWith("file:")) { return homeDirString.substring("file:".length()); } return homeDirString.substring(fs.getUri().toString().length()); }
This method will return logged in user from session. @param session @return
getHomeDir
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void handleFsDisplay(final String loggedInUser, final String proxyUser, final HttpServletRequest req, final HttpServletResponse resp, final Session session) throws IOException, ServletException, IllegalArgumentException, IllegalStateException { FileSystem fs = null; try { fs = ge...
This method will return logged in user from session. @param session @return
handleFsDisplay
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void displayDirPage(final FileSystem fs, final String user, final HttpServletRequest req, final HttpServletResponse resp, final Session session, final Path path) throws IOException { final Page page = newPage(req, resp, session, "azkaban/viewer/hdfs/velocity/hdfs-browser.vm"...
This method will return logged in user from session. @param session @return
displayDirPage
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void displayFilePage(final FileSystem fs, final String user, final HttpServletRequest req, final HttpServletResponse resp, final Session session, final Path path) { final Page page = newPage(req, resp, session, "azkaban/viewer/hdfs/velocity/hdfs-file.vm"); final List<Path> paths = ...
This method will return logged in user from session. @param session @return
displayFilePage
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void handleAjaxAction(final String loggedInUser, final String proxyUser, final HttpServletRequest request, final HttpServletResponse response, final Session session) throws ServletException, IOException { Map<String, Object> ret = new HashMap<>(); FileSystem fs = null; try { ...
This method will return logged in user from session. @param session @return
handleAjaxAction
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void handleAjaxFetchSchema(final FileSystem fs, final HttpServletRequest req, final Map<String, Object> ret, final Session session, final Path path) throws IOException, ServletException { HdfsFileViewer fileViewer = null; try { if (hasParam(req, "viewerId")) { fileViewer = this...
This method will return logged in user from session. @param session @return
handleAjaxFetchSchema
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
private void handleAjaxFetchFile(final FileSystem fs, final HttpServletRequest req, final HttpServletResponse resp, final Session session, final Path path) throws IOException, ServletException { final int startLine = getIntParam(req, "startLine", this.defaultStartLine); final int endLine = getIntPar...
This method will return logged in user from session. @param session @return
handleAjaxFetchFile
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/HdfsBrowserServlet.java
Apache-2.0
@Override public String getName() { return VIEWER_NAME; }
Reads a image file if the file size is not larger than {@value #MAX_IMAGE_FILE_SIZE}. @author ximeng
getName
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/ImageFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/ImageFileViewer.java
Apache-2.0
@Override public Set<Capability> getCapabilities(FileSystem fs, Path path) throws AccessControlException { String fileName = path.getName(); int pos = fileName.lastIndexOf('.'); if (pos < 0) { return EnumSet.noneOf(Capability.class); } String suffix = fileName.substring(pos).toLowerCa...
Reads a image file if the file size is not larger than {@value #MAX_IMAGE_FILE_SIZE}. @author ximeng
getCapabilities
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/ImageFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/ImageFileViewer.java
Apache-2.0
@Override public void displayFile(FileSystem fs, Path path, OutputStream outputStream, int startLine, int endLine) throws IOException { if (logger.isDebugEnabled()) { logger.debug("read in image file"); } InputStream inputStream = null; try { inputStream = new BufferedInputStream(f...
Reads a image file if the file size is not larger than {@value #MAX_IMAGE_FILE_SIZE}. @author ximeng
displayFile
java
azkaban/azkaban
az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/ImageFileViewer.java
https://github.com/azkaban/azkaban/blob/master/az-hdfs-viewer/src/main/java/azkaban/viewer/hdfs/ImageFileViewer.java
Apache-2.0