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if (parentChildren.get(span.parentId) == null) parentChildren.put(span.parentId, new ArrayList<Long>()); if (root == null || root.isEmpty()) return visited; if (rootSpan == null) return visited; if (visited.contains(node.spanId)) return;
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. */
Remove this unused private "match" method.
e.setTableInfo(Tables.getPrintableTableInfoFromId(instance, scanState.tableName.toString()));
Either log or rethrow this exception.
import org.apache.accumulo.cloudtrace.instrument.Span; import org.apache.accumulo.cloudtrace.instrument.Trace;
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.security.tokens.AccumuloToken; import org.apache.accumulo.core.security.tokens.InstanceTokenWrapper; List<KeyExtent> candidates = findTablets(!opts.selectFarTablets, opts.getAccumuloToken(), opts.tableName, instance, locations); List<String> files = getTabletFiles(opts.getAccumuloToken(), opts.getInstance(), tableId, ke); private static List<KeyExtent> findTablets(boolean selectLocalTablets, AccumuloToken<?,?> token, String table, Instance zki, MetadataTable.getEntries(zki, new InstanceTokenWrapper(token, zki.getInstanceID()), table, false, locations, tablets); private static List<String> getTabletFiles(AccumuloToken<?,?> token, Instance zki, String tableId, KeyExtent ke) { MetadataTable.getTabletAndPrevTabletKeyValues(zki, tkv, ke, null, new InstanceTokenWrapper(token, zki.getInstanceID()));
Immediately return this expression instead of assigning it to the temporary variable "ret".
import org.apache.accumulo.server.zookeeper.IZooReaderWriter; IZooReaderWriter zoo = ZooReaderWriter.getInstance(); IZooReaderWriter zoo = ZooReaderWriter.getInstance(); ZooReaderWriter.getRetryingInstance()), 4);
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
Scanner scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Authorizations.EMPTY);
Remove this unused method parameter "range".
byte typeBytes[] = type.name().getBytes();
Remove this unused private "appendProp" method.
import org.apache.accumulo.server.fs.VolumeManager.FileType; String[] parts = log.split("/", 2); // "host:port/filename" Path finished = new Path(fs.getFullPath(FileType.RECOVERY, parts[parts.length - 1]), "finished");
Remove this unused private "FileType" constructor.
import org.apache.accumulo.core.cli.ClientOnRequiredTable; import com.beust.jcommander.Parameter; static class Opts extends ClientOnRequiredTable { @Parameter(names="--inputDir", required=true) String inputDir; @Parameter(names="--workDir", required=true) String workDir; } Opts opts = new Opts(); opts.parseArgs(BulkIngestExample.class.getName(), args); opts.setAccumuloConfigs(job); Connector connector = opts.getConnector(); TextInputFormat.setInputPaths(job, new Path(opts.inputDir)); AccumuloFileOutputFormat.setOutputPath(job, new Path(opts.workDir + "/files")); out = new PrintStream(new BufferedOutputStream(fs.create(new Path(opts.workDir + "/splits.txt")))); Collection<Text> splits = connector.tableOperations().getSplits(opts.tableName, 100); RangePartitioner.setSplitFile(job, opts.workDir + "/splits.txt"); Path failures = new Path(opts.workDir, "failures"); fs.mkdirs(new Path(opts.workDir, "failures")); connector.tableOperations().importDirectory(opts.tableName, opts.workDir + "/files", opts.workDir + "/failures", false);
Remove this unused private "appendProp" method.
@Deprecated
Return empty string instead.
import org.apache.accumulo.core.security.thrift.tokens.SecurityToken; SecurityToken token; MockUser(String principal, SecurityToken token, Authorizations auths) { this.name = principal; this.token = token.clone();
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
partitions.add(decode ? new Text(Base64.decodeBase64(line.getBytes())) : new Text(line));
Remove this unused private "appendProp" method.
/* * 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.client.security.tokens; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import javax.security.auth.DestroyFailedException; /** * */ public class NullToken implements AuthenticationToken { @Override public void readFields(DataInput arg0) throws IOException { return; } @Override public void write(DataOutput arg0) throws IOException { return; } @Override public void destroy() throws DestroyFailedException { return; } @Override public boolean isDestroyed() { return false; } public NullToken clone() { return new NullToken(); } public boolean equals(Object obj) { return obj instanceof NullToken; } }
Move this constructor to comply with Java Code Conventions.
import java.util.concurrent.TimeUnit; BatchWriter bw = getConnector().createBatchWriter("bwlt", new BatchWriterConfig().setMaxLatency(2000, TimeUnit.MILLISECONDS));
Remove this call to "exit" or ensure it is really required.
package org.apache.accumulo.server.test; import java.io.IOException; import java.util.Arrays; import java.util.Random; import org.apache.accumulo.core.data.Key; import org.apache.accumulo.core.data.Value; import org.apache.accumulo.core.file.map.MyMapFile; import org.apache.accumulo.core.file.map.MyMapFile.Writer; import org.apache.accumulo.core.file.map.MySequenceFile.CompressionType; import org.apache.accumulo.core.util.CachedConfiguration; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.io.Text; public class CreateRandomMapFile { private static int num; private static String file; public static byte[] createValue(long rowid, int dataSize){ Random r = new Random(rowid); byte value[] = new byte[dataSize]; r.nextBytes(value); //transform to printable chars for(int j = 0; j < value.length; j++) { value[j] = (byte)(( (0xff & value[j]) % 92) + ' '); } return value; } public static void main(String[] args) { file = args[0]; num = Integer.parseInt(args[1]); long rands[] = new long[num]; Random r = new Random(); for (int i = 0; i < rands.length; i++) { rands[i] = Math.abs(r.nextLong()) % 10000000000l; } Arrays.sort(rands); Configuration conf = CachedConfiguration.getInstance(); Writer mfw; try { FileSystem fs = FileSystem.get(conf); mfw = new MyMapFile.Writer(conf, fs, file, Key.class, Value.class, CompressionType.BLOCK); } catch (IOException e) { throw new RuntimeException(e); } for (int i = 0; i < rands.length; i++) { Text row = new Text(String.format("row_%010d", rands[i])); Key key = new Key(row); Value dv = new Value(createValue(rands[i], 40)); try { mfw.append(key, dv); } catch (IOException e) { throw new RuntimeException(e); } } try { mfw.close(); } catch (IOException e) { throw new RuntimeException(e); } } }
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. */ * <li>Unicode canonical decomposition ({@link Form#NFD})</li> * <li>Removal of diacritical marks</li> * <li>Unicode canonical composition ({@link Form#NFC})</li> * <li>lower casing in the {@link Locale#ENGLISH English local} public class LcNoDiacriticsNormalizer implements normalizer.Normalizer { private static final Pattern diacriticals = Pattern.compile("\\p{InCombiningDiacriticalMarks}"); public String normalizeFieldValue(String fieldName, Object fieldValue) { String decomposed = Normalizer.normalize(fieldValue.toString(), Form.NFD); String noDiacriticals = removeDiacriticalMarks(decomposed); String recomposed = Normalizer.normalize(noDiacriticals, Form.NFC); return recomposed.toLowerCase(Locale.ENGLISH); } private String removeDiacriticalMarks(String str) { Matcher matcher = diacriticals.matcher(str); return matcher.replaceAll(""); }
Immediately return this expression instead of assigning it to the temporary variable "r".
* * * * * * * *
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. */
Remove this unused private "appendProp" method.
if (result != null) return result;
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. */ final Map<String,String> copy = Collections.synchronizedMap(new HashMap<String,String>()); public ConfigurationCopy(Map<String,String> config) { public ConfigurationCopy(Iterable<Entry<String,String>> config) { for (Entry<String,String> entry : config) { this(new HashMap<String,String>()); public Iterator<Entry<String,String>> iterator() {
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.client.Connector; import org.apache.accumulo.minicluster.MiniAccumuloConfig; import org.junit.Test; public class BatchScanSplitIT extends MacTest { public void configure(MiniAccumuloConfig cfg) { cfg.setSiteConfig(Collections.singletonMap(Property.TSERV_MAJC_DELAY.getKey(), "0")); @Test(timeout=30*1000) public void test() throws Exception { Connector c = getConnector(); c.tableOperations().create("bss"); log.info(String.format("rate : %06.2f%n", ranges.size() / ((t2 - t1) / 1000.0))); log.info("splits : " + splits);
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. */
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.security.thrift.SecurityErrorCode;
1 duplicated blocks of code must be removed.
import org.apache.accumulo.core.security.tokens.TokenHelper; import org.apache.hadoop.filecache.DistributedCache; import org.apache.hadoop.fs.Path; * <p> * <b>WARNING:</b> The serialized token is stored in the configuration and shared with all MapReduce tasks. It is BASE64 encoded to provide a charset safe * conversion to a string, and is not intended to be secure. * * a valid AccumuloToken (principal must have Table.CREATE permission) * Sets the connector information needed to communicate with Accumulo in this job. The authentication information will be read from the specified file when * the job runs. This prevents the user's token from being exposed on the Job Tracker web page. The specified path will be placed in the * {@link DistributedCache}, for better performance during job execution. Users can create the contents of this file using * {@link TokenHelper#asBase64String(AccumuloToken)}. * * @param job * the Hadoop job instance to be configured * @param path * the path to a file in the configured file system, containing the serialized, base-64 encoded {@link AccumuloToken} with the user's authentication * @since 1.5.0 */ public static void setConnectorInfo(JobConf job, Path path) { InputConfigurator.setConnectorInfo(CLASS, job, path); } /** * @see #setConnectorInfo(JobConf, Path) * @see #setConnectorInfo(JobConf, Path)
Define and throw a dedicated exception instead of using a generic one.
System.out.printf("inserted %,d in %,d %,d %,6.2f%n", (numRows * numCols), (t2 - t1), nm.size(), rate((numRows * numCols), (t2 - t1))); System.out.printf("%d %,d %,d %,d %,d %,6.2f%n", Thread.currentThread().getId(), (t2 - t1), t1, t2, count, rate(count, (t2 - t1)));
Use isEmpty() to check whether the collection is empty or not.
* 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. */ public class ByeCommand extends ExitCommand {}
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.
oldPassword = shellState.readMaskedLine("Enter current password for '" + currentUser + "': ", '*'); password = shellState.readMaskedLine("Enter new password for '" + user + "': ", '*'); passwordConfirm = shellState.readMaskedLine("Please confirm new password for '" + user + "': ", '*');
Either log or rethrow this exception.
import org.apache.accumulo.core.security.tokens.SecurityToken; public void initializeSecurity(InstanceTokenWrapper credentials, SecurityToken token) throws AccumuloSecurityException { public boolean authenticateUser(SecurityToken token) { public void createUser(SecurityToken token) throws AccumuloSecurityException { public void changePassword(SecurityToken token) throws AccumuloSecurityException {
Either log or rethrow this exception.
BatchWriter bw = conn.createBatchWriter(MetadataTable.NAME, new BatchWriterConfig()); bw.addMutation(MetadataTable.createDeleteMutation(MetadataTable.ID, "/" + fs.getPath().getName())); if (mergeInfo.getOperation().equals(Operation.MERGE) && tableId.equals(MetadataTable.ID)) {
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.
if (cl.hasOption("?")) throw new ParseException("help requested"); .equalsIgnoreCase("stop")))) throw new ParseException("Incorrect arguments"); if (cl == null || !cl.hasOption("?")) log.error(e, e); if (cl != null && cl.hasOption("?")) log.info(str.toString()); else log.error(str.toString());
Remove this call to "exit" or ensure it is really required.
import jline.console.ConsoleReader; ConsoleReader reader = new ConsoleReader(this, output);
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import java.util.ArrayList; import java.util.List; import org.apache.accumulo.core.cli.Help; import com.beust.jcommander.JCommander; import com.beust.jcommander.Parameter; static class Opts extends Help { @Parameter(names="-r", description="print only mutations associated with the given row") String row; @Parameter(names="-m", description="limit the number of mutations printed per row") int maxMutations = 5; @Parameter(names="-t", description="print only mutations that fall within the given key extent") String extent; @Parameter(names="-p", description="search for a row that matches the given regex") String regexp; @Parameter(description="<logfile> { <logfile> ... }") List<String> files = new ArrayList<String>(); Opts opts = new Opts(); opts.parseArgs(LogReader.class.getName(), args); if (opts.files.isEmpty()) { new JCommander(opts).usage(); if (opts.row != null) row = new Text(opts.row); if (opts.extent != null) { String sa[] = opts.extent.split(";"); if (opts.regexp != null) { Pattern pattern = Pattern.compile(opts.regexp); for (String file : opts.files) { printLogEvent(key, value, row, rowMatcher, ke, tabletIds, opts.maxMutations); printLogEvent(key, value, row, rowMatcher, ke, tabletIds, opts.maxMutations); printLogEvent(key, value, row, rowMatcher, ke, tabletIds, opts.maxMutations);
Remove this unused private "appendProp" method.
import org.apache.accumulo.core.security.Authorizations; import org.apache.accumulo.trace.instrument.TraceExecutorService; import org.apache.accumulo.trace.instrument.Tracer; // This needs to execute after the arbiter is stopped Scanner mscanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Authorizations.EMPTY));
Remove this unused method parameter "range".
* 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. */ public class Flush extends Test { @Override public void visit(State state, Properties props) throws Exception { String indexTableName = (String) state.get("indexTableName"); String dataTableName = (String) state.get("docTableName"); Random rand = (Random) state.get("rand"); String table; if (rand.nextDouble() < .5) table = indexTableName; else table = dataTableName; state.getConnector().tableOperations().flush(table, null, null, true); log.debug("Flushed " + table); }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import java.util.ArrayList; import java.util.Collections; import java.util.List; import org.apache.accumulo.core.client.IteratorSetting; private Option noFlushOption, waitOpt, profileOpt; private List<IteratorSetting> iterators; shellState.getConnector().tableOperations().compact(tableName, startRow, endRow, iterators, flush, wait); if (cl.hasOption(profileOpt.getOpt())) { List<IteratorSetting> iterators = shellState.iteratorProfiles.get(cl.getOptionValue(profileOpt.getOpt())); if (iterators == null) { Shell.log.error("Profile " + cl.getOptionValue(profileOpt.getOpt()) + " does not exist"); return -1; } this.iterators = new ArrayList<IteratorSetting>(iterators); } else { this.iterators = Collections.emptyList(); } profileOpt = new Option("pn", "profile", true, "iterator profile name"); profileOpt.setArgName("profile"); opts.addOption(profileOpt);
Move this constructor to comply with Java Code Conventions.
package org.apache.accumulo.core.iterators.filter; import java.util.Map; import org.apache.accumulo.core.data.Key; import org.apache.accumulo.core.data.Value; import org.apache.accumulo.core.iterators.OptionDescriber; import org.apache.accumulo.core.security.ColumnVisibility; @SuppressWarnings("deprecation") public class NoLabelFilter implements Filter, OptionDescriber { @Override public boolean accept(Key k, Value v) { ColumnVisibility label = new ColumnVisibility(k.getColumnVisibility()); return label.getExpression().length > 0; } @Override public void init(Map<String, String> options) { // No Options to set } @Override public IteratorOptions describeOptions() { return new IteratorOptions("nolabel","NoLabelFilter hides entries without a visibility label", null, null); } @Override public boolean validateOptions(Map<String, String> options) { return true; } }
Return empty string instead.
import org.apache.accumulo.start.classloader.vfs.AccumuloVFSClassLoader; clazz = AccumuloVFSClassLoader.loadClass(cl.getOptionValue(interpreterOpt.getOpt()), ScanInterpreter.class); clazz = AccumuloVFSClassLoader.loadClass(cl.getOptionValue(formatterInterpeterOpt.getOpt()), ScanInterpreter.class); return AccumuloVFSClassLoader.loadClass(cl.getOptionValue(formatterOpt.getOpt()), Formatter.class); return AccumuloVFSClassLoader.loadClass(cl.getOptionValue(formatterInterpeterOpt.getOpt()), Formatter.class);
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.security.thrift.Credential; private Credential credentials; public TabletServerBatchWriter(Instance instance, Credential credentials, BatchWriterConfig config) {
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
sb.append(" docID=").append(doc); Value v = iter.getTopValue(); assertTrue(new String(v.get()).endsWith(" docID="+iter.getDocID(k))); Value v = iter.getTopValue(); assertTrue(new String(v.get()).endsWith(" docID="+iter.getDocID(k))); Value v = iter.getTopValue(); assertTrue(new String(v.get()).endsWith(" docID="+iter.getDocID(k)));
Either log or rethrow this exception.
import java.util.concurrent.TimeUnit; import org.apache.accumulo.core.conf.AccumuloConfiguration; private Option timeoutOption; protected long getTimeout(final CommandLine cl) { if (cl.hasOption(timeoutOption.getLongOpt())) { return AccumuloConfiguration.getTimeInMillis(cl.getOptionValue(timeoutOption.getLongOpt())); } return Long.MAX_VALUE; } new BatchWriterConfig().setMaxMemory(m.estimatedMemoryUsed()).setMaxWriteThreads(1).setTimeout(getTimeout(cl), TimeUnit.MILLISECONDS)); timeoutOption = new Option(null, "timeout", true, "time before insert should fail if no data is written. If no unit is given assumes seconds. Units d,h,m,s,and ms are supported. e.g. 30s or 100ms"); timeoutOption.setArgName("timeout"); o.addOption(timeoutOption);
3 duplicated blocks of code must be removed.
public enum Operation { MERGE, DELETE, } MergeState state = MergeState.NONE; KeyExtent range; Operation operation = Operation.MERGE; public MergeInfo() {} @Override public void readFields(DataInput in) throws IOException { range = new KeyExtent(); range.readFields(in); state = MergeState.values()[in.readInt()]; operation = Operation.values()[in.readInt()]; } @Override public void write(DataOutput out) throws IOException { range.write(out); out.writeInt(state.ordinal()); out.writeInt(operation.ordinal()); } public MergeInfo(KeyExtent range, Operation op) { this.range = range; this.operation = op; } public MergeState getState() { return state; } public KeyExtent getRange() { return range; } public Operation getOperation() { return operation; } public void setState(MergeState state) { this.state = state; } public boolean isDelete() { return this.operation.equals(Operation.DELETE); } public boolean needsToBeChopped(KeyExtent extent) { // During a delete, the block after the merge will be stretched to cover the deleted area. // Therefore, it needs to be chopped if (!extent.getTableId().equals(range.getTableId())) return false; if (isDelete()) return extent.getPrevEndRow() != null && extent.getPrevEndRow().equals(range.getEndRow()); else return this.range.overlaps(extent); } public boolean overlaps(KeyExtent extent) { boolean result = this.range.overlaps(extent); if (!result && needsToBeChopped(extent)) return true; return result; } public String toString() { if (!state.equals(MergeState.NONE)) return "Merge " + operation.toString() + " of " + range + " State: " + state; return "No Merge in progress"; }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
public ChunkInputStream(PeekingIterator<Entry<Key,Value>> in) throws IOException { public void setSource(PeekingIterator<Entry<Key,Value>> in) throws IOException { throw new IOException("setting new source without closing old one"); if (buf.length == 0) gotEndMarker = true; if (currentChunk != 0) { source = null; throw new IOException("starting chunk number isn't 0 for " + currentKey.getRow()); } throw new IllegalStateException("don't get visibilities before chunks have been completely read");
Either log or rethrow this exception.
import org.junit.Assert; } final String[] expectedDefault = new String[] {"row cf:cq [] 1234abcd", "row cf1:cq1 [] 9876fedc", "row2 cf:cq [] 13579bdf", "row2 cf1:cq [] 2468ace"}; final String[] expectedFormatted = new String[] {"row cf:cq [] 0x31 0x32 0x33 0x34 0x61 0x62 0x63 0x64", "row cf1:cq1 [] 0x39 0x38 0x37 0x36 0x66 0x65 0x64 0x63", "row2 cf:cq [] 0x31 0x33 0x35 0x37 0x39 0x62 0x64 0x66", "row2 cf1:cq [] 0x32 0x34 0x36 0x38 0x61 0x63 0x65"}; return new String[] {"table test", "insert row cf cq 1234abcd", "insert row cf1 cq1 9876fedc", "insert row2 cf cq 13579bdf", "insert row2 cf1 cq 2468ace", "scan", "formatter -t test -f org.apache.accumulo.core.util.shell.command.FormatterCommandTest$HexFormatter", "scan"}; * <p> * Simple <code>Formatter</code> that will convert each character in the Value from decimal to hexadecimal. Will automatically skip over characters in the * value which do not fall within the [0-9,a-f] range. * </p> * <p> * Example: <code>'0'</code> will be displayed as <code>'0x30'</code> * </p> private Iterator<Entry<Key,Value>> iter = null; final Entry<Key,Value> entry = iter.next(); final StringBuilder sb = new StringBuilder(key.length() + v.getSize() * 5); public void remove() {}
Remove this unused method parameter "range".
System.out.printf("Max depth : %d%n", depth); System.out.printf("Time to find max depth : %,d ms%n", (t2 - t1)); System.out.printf("Time to compute counts : %,d ms%n", (t3 - t2)); System.out.printf("Entries scanned : %,d %n", entriesScanned); System.out.printf("Counts inserted : %,d %n", inserts);
Use isEmpty() to check whether the collection is empty or not.
/* * 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. */
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public Mutation(byte[] byteBuffer) { this(byteBuffer, 0, byteBuffer.length); } public Mutation(byte[] byteBuffer, int start, int length) { this.row = new byte[length]; System.arraycopy(byteBuffer, start, this.row, 0, length); buffer = new ByteBuffer(); }
Move this constructor to comply with Java Code Conventions.
* 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. */ public class ConstraintLoader { public static ConstraintChecker load(String table) throws IOException { for (Entry<String,String> entry : conf) {
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import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertTrue; import org.apache.accumulo.core.metadata.MetadataTable; import org.junit.Rule; import org.junit.rules.TemporaryFolder; @Rule public TemporaryFolder folder = new TemporaryFolder(new File(System.getProperty("user.dir") + "/target")); @Test(timeout = 2 * 60 * 1000) File siteFileBackup = new File(folder.getRoot(), "accumulo-site.xml.bak"); assertFalse(siteFileBackup.exists()); assertEquals(0, exec(Admin.class, new String[] {"dumpConfig", "-a", "-d", folder.getRoot().getPath()}).waitFor()); assertTrue(siteFileBackup.exists()); String site = FunctionalTestUtils.readAll(new FileInputStream(siteFileBackup)); String meta = FunctionalTestUtils.readAll(new FileInputStream(new File(folder.getRoot(), MetadataTable.NAME + ".cfg")));
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import org.apache.accumulo.core.client.security.SecurityErrorCode; if (ae.getSecurityErrorCode().equals(SecurityErrorCode.PERMISSION_DENIED)) { if (ae.getSecurityErrorCode().equals(SecurityErrorCode.BAD_AUTHORIZATIONS)) { && ((AccumuloSecurityException) re.getCause()).getSecurityErrorCode().equals(SecurityErrorCode.PERMISSION_DENIED)) { && ((AccumuloSecurityException) re.getCause()).getSecurityErrorCode().equals(SecurityErrorCode.BAD_AUTHORIZATIONS)) { if (ae.getSecurityErrorCode().equals(SecurityErrorCode.PERMISSION_DENIED)) { } else if (ae.getSecurityErrorCode().equals(SecurityErrorCode.BAD_CREDENTIALS)) {
Do not forget to remove this deprecated code someday.
/* * 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. */
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/* * 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.server.data; import java.util.List; import org.apache.accumulo.core.client.impl.Translator; import org.apache.accumulo.core.data.thrift.TCondition; import org.apache.accumulo.core.data.thrift.TConditionalMutation; /** * */ public class ServerConditionalMutation extends ServerMutation { public static class TCMTranslator extends Translator<TConditionalMutation,ServerConditionalMutation> { @Override public ServerConditionalMutation translate(TConditionalMutation input) { return new ServerConditionalMutation(input); } } public static final TCMTranslator TCMT = new TCMTranslator(); private long cmid; private List<TCondition> conditions; public ServerConditionalMutation(TConditionalMutation input) { super(input.mutation); this.cmid = input.id; this.conditions = input.conditions; } public long getID() { return cmid; } public List<TCondition> getConditions() { return conditions; } }
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/* * 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. */
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protected long numKeysRead;
Either log or rethrow this exception.
/** * Exception to throw if an operation is attempted on a table that doesn't exist. * */ private static final long serialVersionUID = 1L; private String tableName; /** * @param tableId * the internal id of the table that was sought * @param tableName * the visible name of the table that was sought * @param description * the specific reason why it failed */ public TableNotFoundException(String tableId, String tableName, String description) { super("Table" + (tableName != null && !tableName.isEmpty() ? " " + tableName : "") + (tableId != null && !tableId.isEmpty() ? " (Id=" + tableId + ")" : "") + " does not exist" + (description != null && !description.isEmpty() ? " (" + description + ")" : "")); this.tableName = tableName; } /** * @param tableId * the internal id of the table that was sought * @param tableName * the visible name of the table that was sought * @param description * the specific reason why it failed * @param cause * the exception that caused this failure */ public TableNotFoundException(String tableId, String tableName, String description, Throwable cause) { this(tableId, tableName, description); super.initCause(cause); } /** * @param e * constructs an exception from a thrift exception */ public TableNotFoundException(ThriftTableOperationException e) { this(e.getTableId(), e.getTableName(), e.getDescription(), e); } /** * @return the name of the table sought */ public String getTableName() { return tableName; }
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* * * * *
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import org.apache.accumulo.core.security.tokens.PasswordToken;
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import org.apache.accumulo.core.conf.AccumuloConfiguration; private AccumuloConfiguration acuTableConf; AccumuloConfiguration acuTableConf, KeyExtent extent, CompactionEnv env, List<IteratorSetting> iterators, MajorCompactionReason reason) { AccumuloConfiguration acuTableConf, KeyExtent extent, CompactionEnv env) {
Remove this unused import 'org.apache.hadoop.fs.FileSystem'.
import org.apache.accumulo.core.metadata.RootTable; import org.apache.accumulo.core.metadata.schema.MetadataSchema; import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.DataFileColumnFamily; import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.LogColumnFamily; import org.apache.accumulo.server.util.MetadataTableUtil.LogEntry; rwal = MetadataTableUtil.getLogEntries(null, RootTable.EXTENT); columns.add(new Column(TextUtil.getBytes(DataFileColumnFamily.NAME), null, null)); columns.add(new Column(TextUtil.getBytes(LogColumnFamily.NAME), null, null)); if (ssi.getTopKey().compareColumnFamily(DataFileColumnFamily.NAME) == 0) { scanner.setRange(MetadataSchema.TabletsSection.getRange());
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import org.apache.accumulo.core.security.tokens.PasswordToken;
1 duplicated blocks of code must be removed.
@SuppressWarnings("all") public class UpdateErrors implements org.apache.thrift.TBase<UpdateErrors, UpdateErrors._Fields>, java.io.Serializable, Cloneable {
13 duplicated blocks of code must be removed.
import org.apache.accumulo.core.iterators.IteratorUtil.IteratorScope;
Either log or rethrow this exception.
String tableName = getTableNames(1)[0];
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private final Set<MemoryIterator> activeIters = Collections.synchronizedSet(new HashSet<MemoryIterator>());
Remove this unused private "appendProp" method.
connector = instance.getConnector("user", "password"); Connector connector = instance.getConnector("user", "password");
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* Factory method to create a ConditionalWriter connected to Accumulo. * * @param tableName * the name of the table to query data from * @param config * configuration used to create conditional writer * * @return ConditionalWriter object for writing ConditionalMutations * @throws TableNotFoundException * when the specified table doesn't exist * @since 1.6.0 */ public abstract ConditionalWriter createConditionalWriter(String tableName, ConditionalWriterConfig config) throws TableNotFoundException; /**
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private BatchWriter writer = null; private Connector connector; final String table; if (writer == null) resetWriter(); if (writer == null) return; table = conf.get(Property.TRACE_TABLE); resetWriter(); } } synchronized private void resetWriter() { try { if (writer != null) writer.close(); } catch (Exception ex) { log.error("Error closing batch writer", ex); } finally { writer = null; try { writer = connector.createBatchWriter(table, 100l * 1024 * 1024, 5 * 1000l, 10); } catch (Exception ex) { log.error("Unable to create a batch writer: " + ex); }
Reorder the modifiers to comply with the Java Language Specification.
if (this.credentials.getPrincipal().equals(principal)) {
Move this constructor to comply with Java Code Conventions.
@Override public void visit(State state, Properties props) throws Exception { Connector conn = state.getConnector(); int nextId = ((Integer) state.get("nextId")).intValue(); String tableName = String.format("%s_%d", state.getString("tableNamePrefix"), nextId); try { conn.tableOperations().create(tableName); String tableId = Tables.getNameToIdMap(state.getInstance()).get(tableName); log.debug("created " + tableName + " (id:" + tableId + ")"); @SuppressWarnings("unchecked") ArrayList<String> tables = (ArrayList<String>) state.get("tableList"); tables.add(tableName); } catch (TableExistsException e) { log.warn("Failed to create " + tableName + " as it already exists"); nextId++; state.set("nextId", new Integer(nextId)); }
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import org.apache.accumulo.core.Constants; Value inVal = new Value(multiByteText.getBytes(Constants.UTF8)); String outVal = new String(outValue.get(), Constants.UTF8);
Move this variable to comply with Java Code Conventions.
folder.delete();
2 duplicated blocks of code must be removed.
@Override
Reduce the number of conditional operators (6) used in the expression (maximum allowed 3).
import org.apache.accumulo.cloudtrace.thrift.TInfo;
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if (!fs.rename(tmpDatafile, newDatafile)) { throw new IOException("rename fails"); }
Refactor this code to not nest more than 3 if/for/while/switch/try statements.
String _elem108; // optional IteratorSetting _elem111; // optional String _elem118; // optional IteratorSetting _elem121; // optional
277 duplicated blocks of code must be removed.
package org.apache.accumulo.server.tabletserver.mastermessage; import java.util.Map; import java.util.TreeMap; import org.apache.accumulo.core.client.impl.Translator; import org.apache.accumulo.core.data.KeyExtent; import org.apache.accumulo.core.master.thrift.MasterClientService; import org.apache.accumulo.core.master.thrift.TabletSplit; import org.apache.accumulo.core.security.thrift.AuthInfo; import org.apache.accumulo.core.security.thrift.ThriftSecurityException; import org.apache.hadoop.io.Text; import org.apache.thrift.TException; public class SplitReportMessage implements MasterMessage { Map<KeyExtent, Text> extents; KeyExtent old_extent; public SplitReportMessage(KeyExtent old_extent, Map<KeyExtent, Text> newExtents) { this.old_extent = old_extent; extents = new TreeMap<KeyExtent, Text>(newExtents); } public SplitReportMessage(KeyExtent old_extent, KeyExtent ne1, Text np1, KeyExtent ne2, Text np2) { this.old_extent = old_extent; extents = new TreeMap<KeyExtent, Text>(); extents.put(ne1, np1); extents.put(ne2, np2); } public void send(AuthInfo credentials, String serverName, MasterClientService.Iface client) throws TException, ThriftSecurityException { TabletSplit split = new TabletSplit(); split.oldTablet = old_extent.toThrift(); split.newTablets = Translator.translate(extents.keySet(), Translator.KET); client.reportSplitExtent(null, credentials, serverName, split); } }
Return empty string instead.
package org.apache.accumulo.test.functional;
Move the "org.apache.accumulo.test.randomwalk.unit.CreateTable" string literal on the left side of this string comparison.
import java.io.File; public static TemporaryFolder folder = new TemporaryFolder(new File(System.getProperty("user.dir") + "/target"));
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System.out.println("accumulo init | master | tserver | monitor | shell | admin | gc | classpath | rfile-info | login-info | tracer | mini | proxy | zookeeper | <accumulo class> args");
Replace this use of System.out or System.err by a logger.
if (super.validateOptions(options) == false) return false; try { setEncoder(options); } catch (Exception e) { throw new IllegalArgumentException("bad encoder option", e); }
Return empty string instead.
leaf.jump(jumpKey); if (testTreeState() && overallRange.contains(root.getTopKey())) { next(); if (log.isDebugEnabled()) { log.debug("overallRange " + overallRange + " topKey " + this.root.getTopKey() + " contains " + overallRange.contains(this.root.getTopKey())); } if (overallRange.contains(this.root.getTopKey()) && this.root.isValid()) {
31 duplicated blocks of code must be removed.
VARLEN, FIXEDLEN, STRING case VARLEN: case FIXEDLEN: io.setName("longcombiner"); io.setDescription("LongCombiner can interpret Values as Longs in a variety of encodings (variable length, fixed length, or string) before combining"); io.addNamedOption(TYPE, "<VARLEN|FIXEDLEN|STRING|fullClassName>");
Remove the literal "true" boolean value.
import org.apache.accumulo.core.security.tokens.InstanceTokenWrapper; private InstanceTokenWrapper credentials; public ScannerImpl(Instance instance, InstanceTokenWrapper credentials, String table, Authorizations authorizations) {
Immediately return this expression instead of assigning it to the temporary variable "ret".
import java.util.Arrays; import org.apache.commons.logging.impl.Log4JCategoryLog; for (int i = 0; i < 10; i++) { exec("ping", true, "OK", true); // wait for both tservers to start up if (output.get().split("\n").length == 3) break; UtilWaitThread.sleep(1000); }
Either log or rethrow this exception.
// private static final Logger log = Logger.getLogger(TraceProxy.class); static final Sampler ALWAYS = new Sampler() { @Override public boolean next() { return true; } }; public static <T> T trace(T instance) { return trace(instance, ALWAYS); } @SuppressWarnings("unchecked") public static <T> T trace(final T instance, final Sampler sampler) { InvocationHandler handler = new InvocationHandler() { @Override public Object invoke(Object obj, Method method, Object[] args) throws Throwable { if (!sampler.next()) { return method.invoke(instance, args); } Span span = Trace.on(method.getName()); try { return method.invoke(instance, args); } catch (Throwable ex) { ex.printStackTrace(); throw ex; } finally { span.stop(); } return (T) Proxy.newProxyInstance(instance.getClass().getClassLoader(), instance.getClass().getInterfaces(), handler); }
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/* * 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. */
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/* * 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. */
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AccumuloInputFormat.addIterator(job, is); AccumuloInputFormat.addIterator(job, new IteratorSetting(1, "WholeRow", WholeRowIterator.class)); AccumuloInputFormat.addIterator(job, new IteratorSetting(2, "Versions", "org.apache.accumulo.core.iterators.VersioningIterator")); AccumuloInputFormat.addIterator(job, iter); List<IteratorSetting> list = AccumuloInputFormat.getIterators(job); AccumuloInputFormat.addIterator(job, someSetting); List<IteratorSetting> list = AccumuloInputFormat.getIterators(job); AccumuloInputFormat.addIterator(job, someSetting); list = AccumuloInputFormat.getIterators(job); AccumuloInputFormat.addIterator(job, new IteratorSetting(1, "WholeRow", "org.apache.accumulo.core.iterators.WholeRowIterator")); AccumuloInputFormat.addIterator(job, new IteratorSetting(2, "Versions", "org.apache.accumulo.core.iterators.VersioningIterator")); AccumuloInputFormat.addIterator(job, new IteratorSetting(3, "Count", "org.apache.accumulo.core.iterators.CountingIterator")); List<IteratorSetting> list = AccumuloInputFormat.getIterators(job); AccumuloInputFormat.addIterator(job, is); assertTrue(regex.equals(AccumuloInputFormat.getIterators(job).get(0).getName())); AccumuloInputFormat.setInputInfo(job, user, pass.getBytes(), table, Constants.NO_AUTHS); AccumuloInputFormat.setMockInstance(job, "testmapinstance");
Move this variable to comply with Java Code Conventions.
SITE_CONF = System.getenv("ACCUMULO_CONF_DIR") + "/" + configFile;
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import java.net.InetAddress; HashMap<String,String> hostNameCache = new HashMap<String,String>(); String ip = tserverBin.getKey().split(":", 2)[0]; String location = hostNameCache.get(ip); if (location == null) { InetAddress inetAddress = InetAddress.getByName(ip); location = inetAddress.getHostName(); hostNameCache.put(ip, location); }
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import org.apache.accumulo.server.tabletserver.TabletServer; import org.apache.accumulo.server.tabletserver.log.RemoteLogger.LoggerOperation; LoggerOperation write(RemoteLogger logger, int seq) throws Exception; ArrayList<LoggerOperation> queuedOperations = new ArrayList<LoggerOperation>(copy.size()); LoggerOperation lop = writer.write(wal, seq); if (lop != null) queuedOperations.add(lop); } for (LoggerOperation lop : queuedOperations) { lop.await(); public LoggerOperation write(RemoteLogger logger, int ignored) throws Exception { return null; public LoggerOperation write(RemoteLogger logger, int ignored) throws Exception { return logger.log(tabletSeq, commitSession.getLogId(), m); public LoggerOperation write(RemoteLogger logger, int ignored) throws Exception { return logger.logManyTablets(copy); public LoggerOperation write(RemoteLogger logger, int ignored) throws Exception { return null; public LoggerOperation write(RemoteLogger logger, int ignored) throws Exception { return null;
Remove the redundant '!unknownSymbol!' thrown exception declaration(s).
volatile boolean gotLock = false; volatile Exception failureException = null; @Override public void acquiredLock() { gotLock = true; } @Override public void failedToAcquireLock(Exception e) { failureException = e; } @Override public void lostLock(LockLossReason reason) {}
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import org.apache.accumulo.trace.thrift.TInfo; * @see org.apache.accumulo.core.tabletserver.thrift.TabletClientService.Iface#removeLogs(org.apache.accumulo.trace.thrift.TInfo,
Remove the redundant '!unknownSymbol!' thrown exception declaration(s).
if (sleepTime > 0) Thread.sleep(sleepTime);
Remove this call to "exit" or ensure it is really required.
* A lexicoder that flips the sort order from another lexicoder. If this is applied to {@link DateLexicoder}, the most recent date will be sorted first and the * oldest date will be sorted last. If it's applied to {@link LongLexicoder}, the Long.MAX_VALUE will be sorted first and Long.MIN_VALUE will be sorted last, * etc... /** * @param lexicoder * The lexicoder who's sort order will be flipped. */
Remove this unused import 'java.util.Date'.
package org.apache.accumulo.core.iterators.system; import java.io.IOException; import java.util.Collection; import java.util.Map; import org.apache.accumulo.core.data.ByteSequence; import org.apache.accumulo.core.data.Range; import org.apache.accumulo.core.iterators.IteratorEnvironment; import org.apache.accumulo.core.iterators.SortedKeyValueIterator; import org.apache.hadoop.io.Writable; import org.apache.hadoop.io.WritableComparable; /*** * SynchronizedIterator: wrap a SortedKeyValueIterator so that all of its methods are synchronized */ public class SynchronizedIterator <K extends WritableComparable<?>,V extends Writable> implements SortedKeyValueIterator<K,V> { private SortedKeyValueIterator<K,V> source = null; @Override public synchronized void init(SortedKeyValueIterator<K,V> source, Map<String,String> options, IteratorEnvironment env) throws IOException { this.source = source; source.init(source, options, env); } @Override public synchronized boolean hasTop() { return source.hasTop(); } @Override public synchronized void next() throws IOException { source.next(); } @Override public synchronized void seek(Range range, Collection<ByteSequence> columnFamilies, boolean inclusive) throws IOException { source.seek(range, columnFamilies, inclusive); } @Override public synchronized K getTopKey() { return source.getTopKey(); } @Override public synchronized V getTopValue() { return source.getTopValue(); } @Override public synchronized SortedKeyValueIterator<K,V> deepCopy(IteratorEnvironment env) { return new SynchronizedIterator<K,V>(source.deepCopy(env)); } public SynchronizedIterator(){} public SynchronizedIterator(SortedKeyValueIterator<K,V> source) { this.source = source; } }
Move this constructor to comply with Java Code Conventions.
* 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. */ * long isReady(long tid, T environment) throws Exception; Repo<T> call(long tid, T environment) throws Exception; void undo(long tid, T environment) throws Exception; // this allows the last fate op to return something to the user
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.