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return true;
Either log or rethrow this exception.
if (valueString == null) return defaultMinutes;
Remove this call to "exit" or ensure it is really required.
String tableName = getTableNames(1)[0];
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.server.ServerConstants; String dest = ServerConstants.getRecoveryDir() + "/" + child;
Make the "audit" logger private static final and rename it to comply with the format "LOG(?:GER)?".
* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ this(username, new MockAccumulo()); this.username = username; this.acu = acu; public BatchScanner createBatchScanner(String tableName, Authorizations authorizations, int numQueryThreads) throws TableNotFoundException { public BatchDeleter createBatchDeleter(String tableName, Authorizations authorizations, int numQueryThreads, long maxMemory, long maxLatency, int maxWriteThreads) throws TableNotFoundException { return new MockBatchDeleter(acu, tableName, authorizations); public BatchWriter createBatchWriter(String tableName, long maxMemory, long maxLatency, int maxWriteThreads) throws TableNotFoundException { public Scanner createScanner(String tableName, Authorizations authorizations) throws TableNotFoundException { if (table == null) throw new TableNotFoundException(tableName, tableName, "no such table");
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
String tableName = OptUtil.getTableOpt(cl, shellState); switch (OptUtil.getAldOpt(cl)) {
Either log or rethrow this exception.
import org.apache.accumulo.core.cli.Help; import org.apache.accumulo.core.conf.DefaultConfiguration; import org.apache.accumulo.core.conf.Property; import org.apache.accumulo.core.security.thrift.SecurityErrorCode; import com.beust.jcommander.Parameter; return new UpdateErrors(new HashMap<TKeyExtent,Long>(), new ArrayList<TConstraintViolationSummary>(), new HashMap<TKeyExtent, SecurityErrorCode>()); static class Opts extends Help { @Parameter(names={"-i", "--instance"}, description="instance name", required=true) String iname = null; @Parameter(names={"-z", "--keepers"}, description="comma-separated list of zookeeper host:ports", required=true) String keepers = null; @Parameter(names="--table", description="table to adopt", required=true) String tableName = null; @Parameter(names="--port", description="port number to use") int port = DefaultConfiguration.getInstance().getPort(Property.TSERV_CLIENTPORT); } Opts opts = new Opts(); opts.parseArgs(NullTserver.class.getName(), args); TServerUtils.startTServer(opts.port, processor, "NullTServer", "null tserver", 2, 1000, 10*1024*1024); InetSocketAddress addr = new InetSocketAddress(InetAddress.getLocalHost(), opts.port); ZooKeeperInstance zki = new ZooKeeperInstance(opts.iname, opts.keepers); String tableId = Tables.getTableId(zki, opts.tableName); long randomSessionID = opts.port;
Remove this unused private "appendProp" method.
import org.apache.accumulo.core.security.thrift.Credential; public static void authenticate(Credential auth, State state, Properties props) throws Exception {
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
if (cred.getToken().isDestroyed()) throw new AccumuloSecurityException(cred.getPrincipal(), SecurityErrorCode.TOKEN_EXPIRED);
Either log or rethrow this exception.
package org.apache.accumulo.examples.wikisearch.ingest; import org.apache.accumulo.examples.wikisearch.reader.AggregatingRecordReader; aggregators.add(new AggregatorConfiguration(new Text("fi\0" + family), org.apache.accumulo.examples.wikisearch.aggregator.TextIndexAggregator.class.getName())); tops.setProperty(indexTableName, stem, "19,org.apache.accumulo.examples.wikisearch.iterator.TotalAggregatingIterator"); tops.setProperty(indexTableName, stem + "*", "org.apache.accumulo.examples.wikisearch.aggregator.GlobalIndexUidAggregator"); tops.setProperty(reverseIndexTableName, stem, "19,org.apache.accumulo.examples.wikisearch.iterator.TotalAggregatingIterator"); tops.setProperty(reverseIndexTableName, stem + "*", "org.apache.accumulo.examples.wikisearch.aggregator.GlobalIndexUidAggregator"); conf.set("mapred.map.tasks.speculative.execution", "false");
Rename "table" which hides the field declared at line 107.
new DistributedWorkQueue(ZooUtil.getRoot(master.getInstance()) + Constants.ZRECOVERY).addWork(file, source.getBytes());
Remove this unused private "appendProp" method.
return listSplits(tableName); } @Override public Collection<Text> getSplits(String tableName, int maxSplits) throws TableNotFoundException { return listSplits(tableName); } @Override public Collection<Text> listSplits(String tableName) throws TableNotFoundException { public Collection<Text> listSplits(String tableName, int maxSplits) throws TableNotFoundException { return listSplits(tableName);
Remove the redundant '!unknownSymbol!' thrown exception declaration(s).
package org.apache.accumulo.examples.wikisearch.reader;
Rename "table" which hides the field declared at line 107.
import org.apache.accumulo.core.client.admin.TableOperations; TableOperations to = c.tableOperations(); to.create("test_ingest"); String id = to.tableIdMap().get("test_ingest"); to.delete("test_ingest"); assertNull(to.tableIdMap().get("test_ingest")); to.create("test_ingest"); to.delete("test_ingest");
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ @SuppressWarnings("all") public enum _Fields implements org.apache.thrift.TFieldIdEnum {
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
Replace all tab characters in this file by sequences of white-spaces.
import org.apache.accumulo.core.metadata.MetadataTable; ret = TabletLocator.getLocator(instance, new Text(tableId)); TabletLocator.getLocator(instance, new Text(table)).invalidateCache(location); TabletLocator.getLocator(instance, new Text(entry.getKey().getTableId())).invalidateCache(entry.getKey()); TabletLocator.getLocator(instance, new Text(table)).invalidateCache(failedExtent);
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
package org.apache.accumulo.test.randomwalk.bulk; import org.apache.accumulo.test.randomwalk.State; import org.apache.accumulo.test.randomwalk.Test;
Move the "org.apache.accumulo.test.randomwalk.unit.CreateTable" string literal on the left side of this string comparison.
import java.util.LinkedList; import java.util.List; @Override public List<Set<AuthProperty>> getProperties() { List<Set<AuthProperty>> toRet = new LinkedList<Set<AuthProperty>>(); Set<AuthProperty> internal = new TreeSet<AuthProperty>(); internal.add(new AuthProperty("password", "the password for the principal")); toRet.add(internal); return toRet; }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
Replace all tab characters in this file by sequences of white-spaces.
private Batch nextBatch(SortedKeyValueIterator<Key,Value> iter, Range range, int num, Set<Column> columns) throws IOException { Scanner createScanner(Range range, int num, Set<Column> columns, Authorizations authorizations, List<IterInfo> ssiList, Set<Column> columnSet; ScanOptions(int num, Authorizations authorizations, byte[] defaultLabels, Set<Column> columnSet, List<IterInfo> ssiList,
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
for (String dir : ServerConstants.getTablesDirs()) { final Path path = new Path(dir + "/" + tableId + directory); for (FileStatus file : fs.listStatus(path)) { if (file.getPath().getName().endsWith("_tmp") || file.getPath().getName().endsWith("_tmp.rf")) continue; final String filename = directory + "/" + file.getPath().getName(); if (!knownFiles.contains(filename)) { count++; final Mutation m = new Mutation(row); String size = Long.toString(file.getLen()); String entries = "1"; // lie String value = size + "," + entries; m.put(MetadataTable.DATAFILE_COLUMN_FAMILY, new Text(filename), new Value(value.getBytes())); if (update) { writer.getBatchWriter(MetadataTable.NAME).addMutation(m); }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.cli.BatchWriterOpts; BatchWriterOpts bwOpts = new BatchWriterOpts(); opts.parseArgs(ContinuousIngest.class.getName(), args, bwOpts); BatchWriter bw = conn.createBatchWriter(opts.getTableName(), bwOpts.getBatchWriterConfig());
Remove this unused method parameter "opts".
import org.apache.accumulo.core.client.mock.MockInstance; private static final String MOCK = ".useMockInstance"; public static void setMockInstance(JobContext job, String instanceName) { Configuration conf = job.getConfiguration(); conf.setBoolean(INSTANCE_HAS_BEEN_SET, true); conf.setBoolean(MOCK, true); conf.set(INSTANCE_NAME, instanceName); } if (conf.getBoolean(MOCK, false)) return new MockInstance(conf.get(INSTANCE_NAME));
Either log or rethrow this exception.
@Test(timeout = 30 * 1000)
Either log or rethrow this exception.
import org.apache.accumulo.server.iterators.MetadataBulkLoadFilter; TablePropUtil.setTableProperty(Constants.METADATA_TABLE_ID, Property.TABLE_ITERATOR_PREFIX.getKey() + "majc.bulkLoadFilter", "20," + MetadataBulkLoadFilter.class.getName());
Either log or rethrow this exception.
import org.apache.accumulo.core.security.tokens.PasswordToken;
Replace all tab characters in this file by sequences of white-spaces.
@Deprecated
Return empty string instead.
return Base64.decodeBase64(conf.get(PASSWORD, "").getBytes()); return authString == null ? Constants.NO_AUTHS : new Authorizations(authString.getBytes()); ByteArrayInputStream bais = new ByteArrayInputStream(Base64.decodeBase64(rangeString.getBytes())); Text cf = new Text(idx < 0 ? Base64.decodeBase64(col.getBytes()) : Base64.decodeBase64(col.substring(0, idx).getBytes())); Text cq = idx < 0 ? null : new Text(Base64.decodeBase64(col.substring(idx + 1).getBytes())); ByteArrayInputStream bais = new ByteArrayInputStream(Base64.decodeBase64(itstring.getBytes()));
Remove this unused private "appendProp" method.
public static final String COMMENT_PREFIX = "#"; if (input.startsWith(COMMENT_PREFIX)) { return; }
Define a constant instead of duplicating this literal "Unknown command" 3 times.
* <li>{@link AccumuloInputFormat#setConnectorInfo(JobConf, AccumuloToken)} OR {@link AccumuloInputFormat#setConnectorInfo(JobConf, Path)}
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.client.TableNotFoundException; private Option noFlushOption, waitOpt, profileOpt, cancelOpt; private boolean cancel = false; if (cancel) { try { shellState.getConnector().tableOperations().cancelCompaction(tableName); Shell.log.info("Compaction canceled for table " + tableName); } catch (TableNotFoundException e) { throw new AccumuloException(e); } } else { try { if (wait) { Shell.log.info("Compacting table ..."); } shellState.getConnector().tableOperations().compact(tableName, startRow, endRow, iterators, flush, wait); Shell.log.info("Compaction of table " + tableName + " " + (wait ? "completed" : "started") + " for given range"); } catch (Exception ex) { throw new AccumuloException(ex); if (cl.hasOption(cancelOpt.getLongOpt())) { cancel = true; if (cl.getOptions().length > 2) { throw new IllegalArgumentException("Can not specify other options with cancel"); } } else { cancel = false; } cancelOpt = new Option(null, "cancel", false, "cancel user initiated compactions"); opts.addOption(cancelOpt);
Rename this package name to match the regular expression '^[a-z]+(\.[a-z][a-z0-9]*)*$'.
import org.apache.accumulo.core.client.impl.thrift.ThriftSecurityException;
Move this constructor to comply with Java Code Conventions.
} else if (args[0].equals("rfile-info")) { } else if (args[0].equals("login-info")) { runTMP = cl.loadClass("org.apache.accumulo.core.util.LoginProperties");
Remove the redundant '!unknownSymbol!' thrown exception declaration(s).
@SuppressWarnings("all") public class TabletMutations implements org.apache.thrift.TBase<TabletMutations, TabletMutations._Fields>, java.io.Serializable, Cloneable {
13 duplicated blocks of code must be removed.
import org.apache.accumulo.server.zookeeper.IZooReaderWriter; IZooReaderWriter zk = ZooReaderWriter.getInstance();
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import java.net.InetAddress; import org.apache.accumulo.server.util.TServerUtils; import org.apache.accumulo.server.util.TServerUtils.ServerPort; ServerPort serverPort = TServerUtils.startTServer(port, new SpanReceiver.Processor(new Receiver()), "tracer", "tracer", 4, 1000l); server = serverPort.server; InetAddress address = Accumulo.getLocalAddress(args); registerInZooKeeper(address.getHostAddress() + ":" + serverPort.port);
Either log or rethrow this exception.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
Replace all tab characters in this file by sequences of white-spaces.
package org.apache.accumulo.core.iterators.system; import java.io.IOException; import java.util.Map; import org.apache.accumulo.core.data.Key; import org.apache.accumulo.core.data.Value; import org.apache.accumulo.core.iterators.IteratorEnvironment; import org.apache.accumulo.core.iterators.SortedKeyValueIterator; import org.apache.accumulo.core.iterators.WrappingIterator; public class CountingIterator extends WrappingIterator { private long count; public CountingIterator deepCopy(IteratorEnvironment env) { return new CountingIterator(this,env); } private CountingIterator(CountingIterator other, IteratorEnvironment env) { setSource(other.getSource().deepCopy(env)); count = 0; } public CountingIterator(SortedKeyValueIterator<Key, Value> source){ this.setSource(source); count = 0; } @Override public void init(SortedKeyValueIterator<Key, Value> source, Map<String, String> options, IteratorEnvironment env) { throw new UnsupportedOperationException(); } @Override public void next() throws IOException { getSource().next(); count++; } public long getCount(){ return count; } }
Return empty string instead.
import org.apache.accumulo.core.conf.AccumuloConfiguration; import org.apache.accumulo.core.data.Value; import org.apache.accumulo.core.file.FileSKVWriter; import org.apache.accumulo.core.file.rfile.RFile; import org.apache.accumulo.core.file.rfile.RFileOperations; Key next() { Key ret = nextKey[currentMin]; String outFile = String.format("%s/index_%04d", newDir, count++); outFiles.add(new Path(outFile)); FileSKVWriter writer = new RFileOperations().openWriter(outFile, fs, conf, AccumuloConfiguration.getDefaultConfiguration()); writer.append(mii.next(), new Value(new byte[0])); String newDir = String.format("%s/" + RFile.EXTENSION + "_%06d", dir, i); FileSKVWriter writer = new RFileOperations().openWriter(newDir, fs, conf, AccumuloConfiguration.getDefaultConfiguration()); writer.append(key, new Value(new byte[0]));
Either log or rethrow this exception.
try { while (scanner.hasNextLine() && !hasExited()) { execCommand(scanner.nextLine(), true, isVerbose()); } } finally { scanner.close(); }
1 duplicated blocks of code must be removed.
if (steps >= 1) { Map<String,Long> bulkFiles = MetadataTable.getBulkFilesLoaded(SecurityConstants.getSystemCredentials(), extent); MetadataTable.addNewTablet(low, "/lowDir", instance, lowDatafileSizes, bulkFiles, SecurityConstants.getSystemCredentials(), TabletTime.LOGICAL_TIME_ID + "0", -1l, -1l, zl); }
Either log or rethrow this exception.
@Test public void testDeletes() throws IOException { Text colf = new Text("a"); Text colq = new Text("b"); Value dv = new Value(); TreeMap<Key,Value> tm = new TreeMap<Key,Value>(); Key k = new Key(new Text("0"), colf, colq); tm.put(k, dv); k = new Key(new Text("1"), colf, colq, 10); k.setDeleted(true); tm.put(k, dv); k = new Key(new Text("1"), colf, colq, 5); tm.put(k, dv); k = new Key(new Text("10"), colf, colq); tm.put(k, dv); assertTrue(tm.size() == 4); Filter filter = new SimpleFilter(); filter.init(new SortedMapIterator(tm), EMPTY_OPTS, null); filter.seek(new Range(), EMPTY_COL_FAMS, false); int size = size(filter); assertTrue("size = " + size, size == 3); }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
setSource(iterator);
Remove the literal "true" boolean value.
import org.apache.accumulo.core.util.MetadataTable; import org.apache.accumulo.core.util.RootTable; MetadataTable.PREV_ROW_COLUMN.put(m, encodePrevEndRow(ke.getPrevEndRow())); return getTableId().toString().equals(MetadataTable.ID); return this.compareTo(RootTable.ROOT_TABLET_EXTENT) == 0;
Use "Long.toString" instead.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
Replace all tab characters in this file by sequences of white-spaces.
package org.apache.accumulo.cloudtrace.instrument; import org.apache.accumulo.cloudtrace.thrift.TInfo;
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
Multimap<String,String> indexedTerms = parseIndexedTerms(options); Multimap<String,String> normalizedTerms = parseIndexedTerms(options); private RewriterTreeNode removeNonIndexedTerms(RewriterTreeNode root, Multimap<String,String> indexedTerms) throws Exception { private RewriterTreeNode orNormalizedTerms(RewriterTreeNode myroot, Multimap<String,String> indexedTerms) throws Exception { private RewriterTreeNode removeTreeConflicts(RewriterTreeNode root, Multimap<String,String> indexedTerms) {
Define and throw a dedicated exception instead of using a generic one.
@SuppressWarnings("all") public enum _Fields implements org.apache.thrift.TFieldIdEnum {
300 duplicated blocks of code must be removed.
List<TabletStats> onlineTabletsForTable = client.getTabletStats(Tracer.traceInfo(), SecurityConstants.getThriftSystemCredentials(), tableId);
Immediately return this expression instead of assigning it to the temporary variable "ret".
String tableName = OptUtil.getTableOpt(cl, shellState); splits.add(new Text(s.getBytes(Shell.CHARSET))); base64Opt = new Option("b64", "base64encoded", false, "decode encoded split points (splits file only)");
Either log or rethrow this exception.
private Option nameOpt; String tableName = OptUtil.configureTableOpt(cl, shellState); o.addOption(OptUtil.tableOpt("table to list the configured iterators on"));
Reduce this switch case number of lines from 8 to at most 5, for example by extracting code into methods.
/** * Autogenerated by Thrift Compiler (0.9.0) * * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING * @generated */ package org.apache.accumulo.proxy.thrift; import java.util.Map; import java.util.HashMap; import org.apache.thrift.TEnum; public enum IteratorScope implements org.apache.thrift.TEnum { MINC(0), MAJC(1), SCAN(2); private final int value; private IteratorScope(int value) { this.value = value; } /** * Get the integer value of this enum value, as defined in the Thrift IDL. */ public int getValue() { return value; } /** * Find a the enum type by its integer value, as defined in the Thrift IDL. * @return null if the value is not found. */ public static IteratorScope findByValue(int value) { switch (value) { case 0: return MINC; case 1: return MAJC; case 2: return SCAN; default: return null; } } }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.start.classloader.vfs.AccumuloVFSClassLoader; clazz = AccumuloVFSClassLoader.loadClass(classname, Aggregator.class);
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
if (isArchive(fullPath)) return new Path(fullPath); if (!isArchive(archiving)) throw new IllegalArgumentException(archiving); if (archiving.contains(name)) return; if (src.delete(fullPath, true)) log.info(fullPath + " deleted"); else log.error("Unable to delete " + fullPath);
Remove this call to "exit" or ensure it is really required.
import com.beust.jcommander.JCommander; import com.beust.jcommander.Parameter; static class Opts { @Parameter(names="--rows", description="rows", required = true) int rows = 0; @Parameter(names="--cols", description="cols") int cols = 1; @Parameter(names="--threads", description="threads") int threads = 1; @Parameter(names="--writeThreads", description="write threads") int writeThreads = 1; @Parameter(names="-help", help=true) boolean help = false; } Opts opts = new Opts(); JCommander jc = new JCommander(opts); jc.setProgramName(NativeMapConcurrencyTest.class.getName()); jc.parse(args); if (opts.help) { jc.usage(); return; } NativeMap nm = create(opts.rows, opts.cols); runTest(nm, opts.rows, opts.cols, opts.threads, opts.writeThreads);
Remove this call to "exit" or ensure it is really required.
lowDirectory = "/" + Constants.GENERATED_TABLET_DIRECTORY_PREFIX + namer.getNextName();
Complete the task associated to this TODO comment.
import org.apache.accumulo.core.security.tokens.AuthenticationToken; import org.apache.accumulo.core.security.tokens.PasswordToken;
1 duplicated blocks of code must be removed.
package org.apache.accumulo.core.security.tokens;
1 duplicated blocks of code must be removed.
* Autogenerated by Thrift Compiler (0.9.0) import org.apache.thrift.protocol.TProtocolException; import org.apache.thrift.EncodingUtils; import org.apache.thrift.TException; private byte __isset_bitfield = 0; __isset_bitfield = other.__isset_bitfield; __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __PRIORITY_ISSET_ID); return EncodingUtils.testBit(__isset_bitfield, __PRIORITY_ISSET_ID); __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __PRIORITY_ISSET_ID, value); // check for sub-struct validity __isset_bitfield = 0;
Rename this class name to match the regular expression '^[A-Z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.util.shell.commands.InterpreterCommand; new InterpreterCommand(), new GrepCommand(), new ImportDirectoryCommand(), new InsertCommand(), new MaxRowCommand(), new ScanCommand()};
Return empty string instead.
* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** Return the total amount of time elapsed since start was called, if running, or difference between stop and start */ Map<String,String> getData();
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import java.nio.charset.Charset; private static final Charset utf8 = Charset.forName("UTF8"); byte[] data = value.getBytes(utf8); data = Base64.decodeBase64(value.getBytes(utf8));
Move this variable to comply with Java Code Conventions.
if (event.getPath() != null) { try { if (ZooReaderWriter.getInstance().exists(event.getPath(), this)) return; } catch (Exception ex) { log.error(ex, ex); } log.warn("Trace server unable to reset watch on zookeeper registration"); server.stop();
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.cli.ClientOnDefaultTable; import org.apache.accumulo.core.cli.ScannerOpts; import com.beust.jcommander.Parameter; static class Opts extends ClientOnDefaultTable { @Parameter(names={"-l", "--list"}, description="List recent traces") boolean list = false; @Parameter(names={"-s", "--start"}, description="The start time of traces to display") String start; @Parameter(names={"-e", "--end"}, description="The end time of traces to display") String end; @Parameter(names={"-d", "--dump"}, description="Dump the traces") boolean dump = false; @Parameter(names={"-i", "--instance"}, description="URL to point to accumulo.") String instance; @Parameter(description=" <trace id> { <trace id> ... }") List<String> traceIds = new ArrayList<String>(); Opts() { super("trace");} Opts opts = new Opts(); ScannerOpts scanOpts = new ScannerOpts(); opts.parseArgs(TraceDump.class.getName(), args, scanOpts); if (opts.list) { code = listSpans(opts, scanOpts); if (code == 0 && opts.dump) { code = dumpTrace(opts, scanOpts); private static int listSpans(Opts opts, ScannerOpts scanOpts) throws Exception { Connector conn = opts.getConnector(); Scanner scanner = conn.createScanner(opts.getTableName(), opts.auths); scanner.setBatchSize(scanOpts.scanBatchSize); private static int dumpTrace(Opts opts, ScannerOpts scanOpts) throws Exception { Connector conn = opts.getConnector(); for (String traceId : opts.traceIds) { Scanner scanner = conn.createScanner(opts.getTableName(), opts.auths); scanner.setBatchSize(scanOpts.scanBatchSize); Range range = new Range(new Text(traceId.toString()));
Remove this unused private "appendProp" method.
client.loadTablet(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), lockString(lock), extent.toThrift()); client.unloadTablet(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), lockString(lock), extent.toThrift(), save); return client.getTabletServerStatus(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance)); client.halt(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), lockString(lock)); client.fastHalt(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), lockString(lock)); client.flush(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), lockString(lock), tableId, startRow == null ? null : ByteBuffer.wrap(startRow), endRow == null ? null : ByteBuffer.wrap(endRow)); client.chop(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), lockString(lock), extent.toThrift()); client.splitTablet(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), extent.toThrift(), client.flushTablet(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), lockString(lock), extent.toThrift()); client.compact(Tracer.traceInfo(), SystemCredentials.get().toThrift(instance), lockString(lock), tableId, private Map<TServerInstance,TServerInfo> currentInstances = new HashMap<TServerInstance,TServerInfo>(); } else if (System.currentTimeMillis() - firstSeen > 10 * 60 * 1000) {
Immediately return this expression instead of assigning it to the temporary variable "onlineTabletsForTable".
import static org.junit.Assert.assertArrayEquals; import static org.junit.Assert.assertEquals;
2 duplicated blocks of code must be removed.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
Replace all tab characters in this file by sequences of white-spaces.
/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with this * work for additional information regarding copyright ownership. The ASF * licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package org.apache.accumulo.core.file.rfile.bcfile; import java.util.Collections; import java.util.Comparator; import org.apache.hadoop.io.RawComparator; /** * Interface for objects that can be compared through {@link RawComparator}. * This is useful in places where we need a single object reference to specify a * range of bytes in a byte array, such as {@link Comparable} or * {@link Collections#binarySearch(java.util.List, Object, Comparator)} * * The actual comparison among RawComparable's requires an external * RawComparator and it is applications' responsibility to ensure two * RawComparable are supposed to be semantically comparable with the same * RawComparator. */ public interface RawComparable { /** * Get the underlying byte array. * * @return The underlying byte array. */ abstract byte[] buffer(); /** * Get the offset of the first byte in the byte array. * * @return The offset of the first byte in the byte array. */ abstract int offset(); /** * Get the size of the byte range in the byte array. * * @return The size of the byte range in the byte array. */ abstract int size(); }
Return empty string instead.
indexMutation.put(new Text(s.description), new Text(s.sender), new Value((idString + ":" + Long.toHexString(diff)).getBytes())); connector = serverConfiguration.getInstance().getConnector(conf.get(Property.TRACE_USER), conf.get(Property.TRACE_PASSWORD).getBytes()); String path = zoo.putEphemeralSequential(root + "/trace-", name.getBytes()); log.warn("Trace server lost zookeeper registration at " + event.getPath()); log.warn("Trace server zookeeper entry lost " + event.getPath()); try { if (ZooReaderWriter.getInstance().exists(event.getPath(), this)) return; } catch (Exception ex) { log.error(ex, ex); } log.warn("Trace server unable to reset watch on zookeeper registration"); server.stop();
Remove this unused private "appendProp" method.
@Override public void unableToMonitorLockNode(Throwable e) { System.exit(-1); }
Remove this call to "exit" or ensure it is really required.
import org.apache.accumulo.cloudtrace.instrument.Tracer; TabletClientService.Client client = ThriftUtil.getClient(new TabletClientService.Client.Factory(), address, Monitor.getSystemConfiguration()); tsStats.addAll(client.getTabletStats(Tracer.traceInfo(), SecurityConstants.getSystemCredentials(), tableId)); historical = client.getHistoricalStats(Tracer.traceInfo(), SecurityConstants.getSystemCredentials());
Immediately return this expression instead of assigning it to the temporary variable "client".
package org.apache.accumulo.server.test.functional; import java.io.File; import java.io.FileOutputStream; import java.io.ObjectOutputStream; import java.util.List; import java.util.Map; import java.util.TreeMap; import java.util.UUID; import org.apache.accumulo.core.util.UtilWaitThread; import org.apache.accumulo.core.zookeeper.ZooCache; public class CacheTestReader { public static void main(String[] args) throws Exception { String rootDir = args[0]; String reportDir = args[1]; String keepers = args[2]; int numData = CacheTestWriter.NUM_DATA; File myfile = new File(reportDir+"/"+UUID.randomUUID()); myfile.deleteOnExit(); ZooCache zc = new ZooCache(keepers, 30000); while(true){ if(myfile.exists()) myfile.delete(); if(zc.get(rootDir+"/die") != null){ return; } Map<String, String> readData = new TreeMap<String, String>(); for(int i = 0; i < numData; i++){ byte[] v = zc.get(rootDir+"/data"+i); if(v != null) readData.put(rootDir+"/data"+i, new String(v)); } byte[] v = zc.get(rootDir+"/dataS"); if(v != null) readData.put(rootDir+"/dataS", new String(v)); List<String> children = zc.getChildren(rootDir+"/dir"); if(children != null) for (String child : children) { readData.put(rootDir+"/dir/"+child, ""); } FileOutputStream fos = new FileOutputStream(myfile); ObjectOutputStream oos = new ObjectOutputStream(fos); oos.writeObject(readData); oos.close(); UtilWaitThread.sleep(20); } } }
Return empty string instead.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
Replace all tab characters in this file by sequences of white-spaces.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ @SuppressWarnings("all") public enum _Fields implements org.apache.thrift.TFieldIdEnum {
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
@Override public Long typedReduce(Key key, Iterator<Long> iter) { long max = Long.MIN_VALUE; while (iter.hasNext()) { Long l = iter.next(); if (l > max) max = l; return max; }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
}, 1000, 10 * 60 * 1000);
Refactor this code to not nest more than 3 if/for/while/switch/try statements.
package org.apache.accumulo.test.randomwalk.concurrent; import java.util.Collection; import java.util.List; import java.util.Properties; import java.util.Random; import org.apache.accumulo.core.client.AccumuloSecurityException; import org.apache.accumulo.core.client.Connector; import org.apache.accumulo.core.client.TableNotFoundException; import org.apache.accumulo.test.randomwalk.State; import org.apache.accumulo.test.randomwalk.Test; import org.apache.hadoop.io.Text; public class ListSplits extends Test { @Override public void visit(State state, Properties props) throws Exception { Connector conn = state.getConnector(); Random rand = (Random) state.get("rand"); @SuppressWarnings("unchecked") List<String> tableNames = (List<String>) state.get("tables"); String tableName = tableNames.get(rand.nextInt(tableNames.size())); try { Collection<Text> splits = conn.tableOperations().listSplits(tableName); log.debug("Table " + tableName + " had " + splits.size() + " splits"); } catch (TableNotFoundException e) { log.debug("listSplits " + tableName + " failed, doesnt exist"); } catch (AccumuloSecurityException ase) { log.debug("listSplits " + tableName + " failed, " + ase.getMessage()); } } }
Either log or rethrow this exception.
public void setPrevKey(Key pk) { this.prevKey = pk; }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
package org.apache.accumulo.server.mini; import org.apache.accumulo.server.mini.MiniAccumuloCluster; // folder.delete();
This block of commented-out lines of code should be removed.
import org.apache.accumulo.core.cli.ClientOnRequiredTable; ClientOnRequiredTable opts = new ClientOnRequiredTable(); opts.parseArgs(Flush.class.getName(), args); Connector connector = opts.getConnector(); connector.tableOperations().flush(opts.tableName, null, null, true);
Remove this call to "exit" or ensure it is really required.
return protocolFactories.get(random.nextInt(protocolFactories.size())); proxyPort = MiniAccumuloCluster.getRandomFreePort();
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
new File(System.getProperty("java.io.tmpdir"), "accumulo-vfs-cache-" + System.getProperty("user.name", "nouser"))
Replace all tab characters in this file by sequences of white-spaces.
private Option tableOpt; @Override public int execute(String fullCommand, CommandLine cl, Shell shellState) throws Exception { shellState.setTableName(""); return 0; } @Override public String description() { return "returns to a tableless shell state"; } public String usage() { return getName(); } @Override public int numArgs() { return 0; } public Options getOptions() { Options o = new Options(); tableOpt = new Option(Shell.tableOption, "tableName", true, "Returns to a no table state"); o.addOption(tableOpt); return o; }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
Constants.METADATA_TIME_COLUMN.put(mut, new Value("M0".getBytes())); Constants.METADATA_DIRECTORY_COLUMN.put(mut, new Value("/default_tablet".getBytes())); Constants.METADATA_TIME_COLUMN.put(mut, new Value("M0".getBytes())); Constants.METADATA_DIRECTORY_COLUMN.put(mut, new Value("/default_tablet".getBytes())); Constants.METADATA_PREV_ROW_COLUMN.putDelete(mut); Constants.METADATA_TIME_COLUMN.putDelete(mut); Constants.METADATA_DIRECTORY_COLUMN.putDelete(mut); Constants.METADATA_TIME_COLUMN.put(mut, new Value("M0".getBytes())); Constants.METADATA_DIRECTORY_COLUMN.put(mut, new Value(dir.getBytes()));
Replace all tab characters in this file by sequences of white-spaces.
* don't want iterators affecting the performance of tablet servers.<br> * <br> * Suggested usage:<br> * <code>Scanner scanner = new ClientSideIteratorScanner(connector.createScanner(tableName, authorizations));</code><br> * <br> * Iterators added to this scanner will be run in the client JVM. Separate scan iterators can be run on the server side and client side by adding iterators to * the source scanner (which will execute server side) and to the client side scanner (which will execute client side). /** * A class that wraps a Scanner in a SortedKeyValueIterator so that other accumulo iterators can use it as a source. */ /** * Constructs an accumulo iterator from a scanner. * * @param scanner * the scanner to iterate over */ private ScannerTranslator smi; /** * Constructs a scanner that can execute client-side iterators. * * @param scanner * the source scanner */ /** * Sets the source Scanner. * * @param scanner */
Complete the task associated to this TODO comment.
AccumuloInputFormat.setZooKeeperInstance(job.getConfiguration(), args[0], args[1]); AccumuloInputFormat.setInputInfo(job.getConfiguration(), args[2], args[3].getBytes(), args[4], new Authorizations()); AccumuloInputFormat.fetchColumns(job.getConfiguration(), columnsToFetch);
Remove this unused private "debugQuery" method.
import org.apache.accumulo.core.Constants; @Parameter(names = "--root", description = "the root of the znode tree to dump") return new Encoded("base64", new String(Base64.encodeBase64(data), Constants.UTF8)); return new Encoded(Constants.UTF8.name(), new String(data, Constants.UTF8));
Move this variable to comply with Java Code Conventions.
port = TServerUtils.startTServer(result, processor, this.getClass().getSimpleName(), "GC Monitor Service", 2, 1000, maxMessageSize).address.getPort();
Either log or rethrow this exception.
log.warn("Failed to load table balancer class " + clazzName + " for table " + table, e); log.info("Loaded class " + clazzName + " for table " + table); log.warn("Failed to load table balancer class " + clazzName + " for table " + table, e); tops = configuration.getInstance().getConnector(SecurityConstants.getSystemCredentials()).tableOperations();
Define a constant instead of duplicating this literal " for table " 4 times.
public static String encodeAsBase64FileName(Text data) { String encodedRow = new String(Base64.encodeBase64(TextUtil.getBytes(data))); encodedRow = encodedRow.replace('/', '_').replace('+', '-'); int index = encodedRow.length() - 1; while (index >= 0 && encodedRow.charAt(index) == '=') index--; encodedRow = encodedRow.substring(0, index + 1); return encodedRow; } public static byte[] decodeBase64FileName(String node) { while (node.length() % 4 != 0) node += "="; node = node.replace('_', '/').replace('-', '+'); return Base64.decodeBase64(node.getBytes()); }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
/* import org.apache.accumulo.core.util.ComparablePair; @SuppressWarnings("unchecked") assertSortOrder(plexc, new ComparablePair<String,String>("a", "b"), new ComparablePair<String,String>("a", "bc"), new ComparablePair<String,String>("a", "c"), new ComparablePair<String,String>("ab", "c"), new ComparablePair<String,String>("ab", ""), new ComparablePair<String,String>("ab", "d"), new ComparablePair<String,String>("b", "f"), new ComparablePair<String,String>("b", "a")); assertSortOrder(plexc2, new ComparablePair<Long,String>(0x100l, "a"), new ComparablePair<Long,String>(0x100l, "ab"), new ComparablePair<Long,String>(0xf0l, "a"), new ComparablePair<Long,String>(0xf0l, "ab"));
Override "equals(Object obj)" to comply with the contract of the "compareTo(T o)" method.
import org.apache.accumulo.core.security.tokens.UserPassToken; Connector conn = new ZooKeeperInstance(accumulo.getInstanceName(), accumulo.getZookeepers()).getConnector(new UserPassToken("root", "superSecret")); UserPassToken upt = new UserPassToken("user1", "pass1"); conn.securityOperations().createUser(upt); Connector uconn = new ZooKeeperInstance(accumulo.getInstanceName(), accumulo.getZookeepers()).getConnector(upt); Connector conn = new ZooKeeperInstance(accumulo.getInstanceName(), accumulo.getZookeepers()).getConnector(new UserPassToken("root", "superSecret")); // folder.delete();
Immediately return this expression instead of assigning it to the temporary variable "ret".
internal.add(new AuthProperty("password", "the password for the principal", true));
Rename "principal" which hides the field declared at line 173.
private Option forceOpt; String tableName = OptUtil.getTableOpt(cl, shellState); Text startRow = OptUtil.getStartRow(cl); Text endRow = OptUtil.getEndRow(cl); o.addOption(OptUtil.startRowOpt()); o.addOption(OptUtil.endRowOpt());
Either log or rethrow this exception.
import java.util.List; import org.apache.accumulo.core.cli.Help; import com.beust.jcommander.Parameter; static class Opts extends Help { @Parameter(names="-m", description="the maximum size of the key/value pair to shunt to the small file") long maxSize = 10 * 1024 * 1024; @Parameter(description="<file.rf> { <file.rf> ... }") List<String> files = new ArrayList<String>(); } Opts opts = new Opts(); opts.parseArgs(SplitLarge.class.getName(), args); for (String file : opts.files) { Path path = new Path(file); if (!file.endsWith(".rf")) { String smallName = file.substring(0, file.length() - 3) + "_small.rf"; String largeName = file.substring(0, file.length() - 3) + "_large.rf";
Remove this unused private "appendProp" method.
if (!evictionLock.tryLock()) return; if (bytesToFree <= 0) return; if (this.overflow() == that.overflow()) return 0; if (cache == null) break;
Remove this call to "exit" or ensure it is really required.
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.accumulo.test.functional; import org.apache.accumulo.minicluster.MiniAccumuloCluster; import org.apache.accumulo.minicluster.MiniAccumuloConfig; import org.apache.log4j.Logger; import org.junit.After; import org.junit.Before; import org.junit.rules.TemporaryFolder; public class ConfigurableMacIT extends AbstractMacIT { public static final Logger log = Logger.getLogger(ConfigurableMacIT.class); public TemporaryFolder folder = new TemporaryFolder(); public MiniAccumuloCluster cluster; @Before public void setUp() throws Exception { folder.create(); MiniAccumuloConfig cfg = new MiniAccumuloConfig(folder.newFolder(this.getClass().getSimpleName()), ROOT_PASSWORD); configure(cfg); cluster = new MiniAccumuloCluster(cfg); cluster.start(); } public void configure(MiniAccumuloConfig cfg) { } @After public void tearDown() throws Exception { cleanUp(cluster, folder); } @Override public MiniAccumuloCluster getCluster() { return cluster; } }
Either log or rethrow this exception.
package org.apache.accumulo.server.test.randomwalk.multitable; import java.security.MessageDigest; import java.util.ArrayList; import java.util.Properties; import java.util.Random; import java.util.UUID; import org.apache.accumulo.core.client.BatchWriter; import org.apache.accumulo.core.client.TableNotFoundException; import org.apache.accumulo.core.data.Mutation; import org.apache.accumulo.core.data.Value; import org.apache.accumulo.server.test.randomwalk.State; import org.apache.accumulo.server.test.randomwalk.Test; import org.apache.hadoop.io.Text; public class Write extends Test { @Override public void visit(State state, Properties props) throws Exception { @SuppressWarnings("unchecked") ArrayList<String> tables = (ArrayList<String>) state.get("tableList"); if (tables.isEmpty()) { log.debug("No tables to ingest into"); return; } Random rand = new Random(); String tableName = tables.get(rand.nextInt(tables.size())); BatchWriter bw = null; try { bw = state.getMultiTableBatchWriter().getBatchWriter(tableName); } catch (TableNotFoundException e) { log.error("Table "+tableName+" not found!"); return; } Text meta = new Text("meta"); String uuid = UUID.randomUUID().toString(); Mutation m = new Mutation(new Text(uuid)); // create a fake payload between 4KB and 16KB int numBytes = rand.nextInt(12000) + 4000; byte[] payloadBytes = new byte[numBytes]; rand.nextBytes(payloadBytes); m.put(meta, new Text("payload"), new Value(payloadBytes)); // store size m.put(meta, new Text("size"), new Value(String.format("%d", numBytes).getBytes())); // store hash MessageDigest alg = MessageDigest.getInstance("SHA-1"); alg.update(payloadBytes); m.put(meta, new Text("sha1"), new Value(alg.digest())); // add mutation bw.addMutation(m); state.set("numWrites", state.getInteger("numWrites")+1); } }
Return empty string instead.
import java.io.IOException; import org.apache.hadoop.mapreduce.Job; public void testNoSubBins() throws IOException { public void testSubBins() throws IOException { private RangePartitioner prepPartitioner(int numSubBins) throws IOException { Job job = new Job(); private void checkExpectedRangeBins(int numSubBins, String[] strings, int[] rangeEnds) throws IOException { private void checkExpectedBins(int numSubBins, String[] strings, int[] bins) throws IOException {
2 duplicated blocks of code must be removed.