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import org.apache.accumulo.core.iterators.LongCombiner.FixedLenEncoder; import org.apache.accumulo.core.iterators.LongCombiner.VarLenEncoder; Encoder<Long> encoder = LongCombiner.VAR_LEN_ENCODER; Encoder<Long> encoder = LongCombiner.VAR_LEN_ENCODER; LongCombiner.setEncodingType(is, VarLenEncoder.class); Encoder<Long> encoder = LongCombiner.FIXED_LEN_ENCODER; LongCombiner.setEncodingType(is, FixedLenEncoder.class.getName()); Encoder<Long> encoder = LongCombiner.STRING_ENCODER; Encoder<Long> encoder = LongCombiner.STRING_ENCODER; Encoder<Long> encoder = LongCombiner.VAR_LEN_ENCODER; LongCombiner.setEncodingType(is, VarLenEncoder.class.getName()); Encoder<Long> encoder = LongCombiner.FIXED_LEN_ENCODER; Encoder<Long> encoder = LongCombiner.VAR_LEN_ENCODER; sumArray(SummingArrayCombiner.VarLongArrayEncoder.class, "VARNUM"); sumArray(SummingArrayCombiner.FixedLongArrayEncoder.class, "LONG");
Either log or rethrow this exception.
@Deprecated @Override ColumnUpdate upd = (ColumnUpdate) obj; return Arrays.equals(getColumnFamily(), upd.getColumnFamily()) && Arrays.equals(getColumnQualifier(), upd.getColumnQualifier()) && Arrays.equals(getColumnVisibility(), upd.getColumnVisibility()) && isDeleted() == upd.isDeleted() && Arrays.equals(getValue(), upd.getValue()) && hasTimestamp() == upd.hasTimestamp() && getTimestamp() == upd.getTimestamp(); @Override public int hashCode() { return Arrays.hashCode(columnFamily) + Arrays.hashCode(columnQualifier) + Arrays.hashCode(columnVisibility) + (hasTimestamp ? (Boolean.TRUE.hashCode() + new Long(timestamp).hashCode()) : Boolean.FALSE.hashCode()) + (deleted ? Boolean.TRUE.hashCode() : (Boolean.FALSE.hashCode() + Arrays.hashCode(val))); }
Return empty string instead.
* <li>{@link AccumuloOutputFormat#setConnectorInfo(Job, String, AuthenticationToken)} OR {@link AccumuloOutputFormat#setConnectorInfo(Job, Path)} * {@link CredentialHelper#asBase64String(org.apache.accumulo.core.security.thrift.TCredentials)}. * the path to a file in the configured file system, containing the serialized, base-64 encoded {@link AuthenticationToken} with the user's * authentication * @see #setConnectorInfo(Job, String, AuthenticationToken) * @see #setConnectorInfo(Job, String, AuthenticationToken) * @deprecated since 1.5.0; Use {@link #setConnectorInfo(Job, String, AuthenticationToken)}, {@link #setConnectorInfo(Job, Path)}, * {@link #setCreateTables(Job, boolean)}, and {@link #setDefaultTableName(Job, String)} instead.
Remove the redundant '!unknownSymbol!' thrown exception declaration(s).
/* * 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. */
Replace all tab characters in this file by sequences of white-spaces.
public Repo<Master> call(long tid, Master master) throws Exception { Instance instance = master.getInstance(); public void undo(long tid, Master master) throws Exception { Instance instance = master.getInstance(); public Repo<Master> call(long tid, Master master) throws Exception { tableInfo.tableId = Utils.getNextTableId(tableInfo.tableName, master.getInstance());
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
static public InetSocketAddress parseAddress(String address, int defaultPort) throws NumberFormatException { final String[] parts = address.split(":", 2); if (parts.length == 2) { if (parts[1].isEmpty()) return new InetSocketAddress(parts[0], defaultPort); return new InetSocketAddress(parts[0], Integer.parseInt(parts[1])); return new InetSocketAddress(address, defaultPort); } static public InetSocketAddress parseAddress(Text address, int defaultPort) { return parseAddress(address.toString(), defaultPort); } static public TSocket createTSocket(String address, int defaultPort) { InetSocketAddress addr = parseAddress(address, defaultPort); return new TSocket(addr.getHostName(), addr.getPort()); } static public String toString(InetSocketAddress addr) { return addr.getAddress().getHostAddress() + ":" + addr.getPort(); }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
Connector conn = master.getConnector(); Instance instance = master.getInstance();
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.client.impl.thrift.SecurityErrorCode;
Move this constructor to comply with Java Code Conventions.
import org.apache.accumulo.core.cli.Help; import com.beust.jcommander.Parameter; static class Opts extends Help { @Parameter(names="--testId", required=true) String testId; @Parameter(names="--action", required=true, description="one of 'setup', 'teardown' or 'client'") String action; @Parameter(names="--count", description="number of tablet servers", required=true) int numTabletServers; } Opts opts = new Opts(); opts.parseArgs(Run.class.getName(), args); fs.copyToLocalFile(new Path(String.format("/accumulo-scale/conf/%s.conf", opts.testId)), new Path(testPath)); ScaleTest test = (ScaleTest) Class.forName(String.format("accumulo.server.test.scalability.%s", opts.testId)).newInstance(); test.init(scaleProps, testProps, opts.numTabletServers); if (opts.action.equalsIgnoreCase("setup")) { } else if (opts.action.equalsIgnoreCase("client")) { } else if (opts.action.equalsIgnoreCase("teardown")) {
Remove this unused private "appendProp" method.
private Key prevKey; public BlockIndexEntry(int pos, int entriesLeft, Key prevKey) { this.prevKey = prevKey; this.prevKey = key; return prevKey.compareTo(o.prevKey); @Override return prevKey + " " + entriesLeft + " " + pos; } public Key getPrevKey() { return prevKey; while (index > 0) { if (blockIndex[index].getPrevKey().equals(startKey)) index--; else break; } if (blockIndex[index].getPrevKey().equals(blockIndex[index - 1].getPrevKey())) if (index == 0 && blockIndex[index].getPrevKey().equals(startKey)) Key myPrevKey = rk.getKey(); index.add(new BlockIndexEntry(pos, indexEntry.getNumEntries() - count, myPrevKey)); BlockIndexEntry[] getIndexEntries() { return blockIndex; }
Remove this unused private "appendProp" method.
import org.apache.accumulo.core.client.impl.thrift.SecurityErrorCode; if (e.getErrorCode().equals(SecurityErrorCode.TABLE_DOESNT_EXIST)) return new org.apache.accumulo.proxy.thrift.TableNotFoundException(e.toString());
2 duplicated blocks of code must be removed.
public int execute(final String fullCommand, final CommandLine cl, final Shell shellState) throws AccumuloException, AccumuloSecurityException, TableNotFoundException, final HashMap<String,String> props = new HashMap<String,String>(); final HashSet<String> exclude = new HashSet<String>(); for (String key : keys) { } public void registerCompletion(final Token root, final Map<Command.CompletionSet,Set<String>> completionSet) { final Options o = new Options();
Remove the redundant '!unknownSymbol!' thrown exception declaration(s).
import java.util.HashMap; SecurityHelper.setSystemConnector(state, sysConn); SecurityHelper.setSysUserName(state, systemUserName); SecurityHelper.setSysUserPass(state, sysUserPass); SecurityHelper.setTableExists(state, false); SecurityHelper.setTableExists(state, false); SecurityHelper.setTabUserPass(state, new byte[0]); SecurityHelper.setTableName(state, secTableName); SecurityHelper.setTabUserName(state, tableUserName); SecurityHelper.setTabPerm(state, systemUserName, tp, false); SecurityHelper.setTabPerm(state, tableUserName, tp, false); SecurityHelper.setSysPerm(state, systemUserName, sp, false); SecurityHelper.setSysPerm(state, tableUserName, sp, false); SecurityHelper.setUserAuths(state, tableUserName, new Authorizations()); SecurityHelper.setAuthsMap(state, new HashMap<String,Integer>()); if (SecurityHelper.getTableExists(state)) { String secTableName = SecurityHelper.getTableName(state); if (SecurityHelper.getTabUserExists(state)) { String tableUserName = SecurityHelper.getTabUserName(state); String systemUserName = SecurityHelper.getSysUserName(state);
Either log or rethrow this exception.
List<Text> range = ConcurrentFixture.generateRange(rand); conn.tableOperations().compact(tableName, range.get(0), range.get(1), false, wait); log.debug((wait ? "compacted " : "initiated compaction ") + tableName + " from " + range.get(0) + " to " + range.get(1)); log.debug("compact " + tableName + " from " + range.get(0) + " to " + range.get(1) + " failed, doesnt exist"); log.debug("compact " + tableName + " from " + range.get(0) + " to " + range.get(1) + " failed, offline");
Define a constant instead of duplicating this literal " from " 3 times.
osw.append(ExportTable.DATA_VERSION_PROP + ":" + ServerConstants.DATA_VERSION + "\n");
Make the "audit" logger private static final and rename it to comply with the format "LOG(?:GER)?".
import org.apache.accumulo.core.security.tokens.InstanceTokenWrapper; public BatchWriterImpl(Instance instance, InstanceTokenWrapper credentials, String table, BatchWriterConfig config) {
Immediately return this expression instead of assigning it to the temporary variable "ret".
import org.apache.accumulo.core.client.impl.thrift.SecurityErrorCode; import org.apache.accumulo.core.client.security.tokens.AuthenticationToken; import org.apache.accumulo.core.client.security.tokens.PasswordToken;
1 duplicated blocks of code must be removed.
protected Class<? extends AuthenticationToken> tokenClass; try { tokenClass = Class.forName(props.getProperty("org.apache.accumulo.proxy.ProxyServer.tokenClass")).asSubclass(AuthenticationToken.class); } catch (ClassNotFoundException e) { throw new RuntimeException(e); } AuthenticationToken token; try { token = tokenClass.newInstance(); } catch (InstantiationException e) { throw new AccumuloException(e); } catch (IllegalAccessException e) { throw new AccumuloException(e); } token.init(props); return token;
Remove the redundant '!unknownSymbol!' thrown exception declaration(s).
import static org.apache.accumulo.core.data.Mutation.SERIALIZED_FORMAT.VERSION2; @Override protected ColumnUpdate newColumnUpdate(byte[] cf, byte[] cq, byte[] cv, boolean hasts, long ts, boolean deleted, byte[] val) { return new ServerColumnUpdate(cf, cq, cv, hasts, ts, deleted, val, this);
Constructor has 8 parameters, which is greater than 7 authorized.
private final Instance instance; public ClientServiceHandler(Instance instance, TransactionWatcher transactionWatcher) { this.instance = instance; return instance.getZooKeepers(); return conf(new ServerConfiguration(instance).getConfiguration()); return conf(new ServerConfiguration(instance).getTableConfiguration(tableId)); return BulkImporter.bulkLoad(new ServerConfiguration(instance).getConfiguration(), instance, credentials, tid, tableId, files, errorDir,
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. */ super(iterator); if (r.contains(k)) return true; public Iterator<Entry<Key,Value>> iterator() { SortedKeyValueIterator<Key,Value> i = new SortedMapIterator(table.table); return new IteratorAdapter(i); public void close() {}
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
conn.securityOperations().createUser(userName, (userName + "pass").getBytes());
Remove the redundant '!unknownSymbol!' thrown exception declaration(s).
import org.apache.accumulo.server.ServerConstants; import org.apache.accumulo.server.fs.VolumeManager; import org.apache.accumulo.server.fs.VolumeManagerImpl; public static String createTabletDirectory(VolumeManager fs, String tableId, Text endRow) { String volume = fs.choose(ServerConstants.getTablesDirs()); Path lowDirectoryPath = new Path(volume + "/" + tableId + "/" + lowDirectory); return lowDirectoryPath.makeQualified(fs.getFileSystemByPath(lowDirectoryPath)).toString(); Path lowDirectoryPath = new Path(volume + "/" + tableId + "/" + lowDirectory); return lowDirectoryPath.makeQualified(fs.getFileSystemByPath(lowDirectoryPath)).toString(); log.warn("Failed to create dir for tablet in table " + tableId + " in volume " + volume + " + will retry ..."); VolumeManager fs = VolumeManagerImpl.get();
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
// TODO maybe remove from bad servers log.error("unable to get tablet server status " + server + " " + ex.getMessage()); log.debug("unable to get tablet server status " + server, ex);
Remove this unused method parameter "lock".
package org.apache.accumulo.server.tabletserver.log; import java.util.Set; import org.apache.accumulo.core.conf.Property; import org.apache.accumulo.server.conf.ServerConfiguration; public abstract class LoggerStrategy { // Called by the tablet server to get the list of loggers to use from the available set public abstract Set<String> getLoggers(Set<String> allLoggers); // Called by the master (via the tablet server) to prefer loggers for balancing public abstract void preferLoggers(Set<String> preference); public int getNumberOfLoggersToUse() { return ServerConfiguration.getSystemConfiguration().getCount(Property.TSERV_LOGGER_COUNT); } }
Return empty string instead.
* This class remains here for backwards compatibility. * @deprecated since 1.4 * @see org.apache.accumulo.core.iterators.user.LargeRowFilter public class LargeRowFilter extends org.apache.accumulo.core.iterators.user.LargeRowFilter {
Remove this unused private "match" 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. */
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. */
Replace all tab characters in this file by sequences of white-spaces.
import org.apache.accumulo.core.security.Credentials; public ServicerForMetadataTable(Instance instance, Credentials credentials) {
Immediately return this expression instead of assigning it to the temporary variable "onlineTabletsForTable".
import java.nio.charset.Charset; private static final Charset utf8 = Charset.forName("UTF8"); new DistributedWorkQueue(ZooUtil.getRoot(master.getInstance()) + Constants.ZRECOVERY).addWork(file, source.getBytes(utf8));
Move this variable to comply with Java Code Conventions.
if (topKey != null) return; if (sourceIter.hasTop() == false) return; if (sourceIter != null) return new WholeRowIterator(sourceIter.deepCopy(env)); if (range.getEndKey() != null && followingRowKey.compareTo(range.getEndKey()) > 0) return;
Remove this call to "exit" or ensure it is really required.
if (tablePropCache == null) synchronized (TableConfiguration.class) { if (tablePropCache == null) tablePropCache = new ZooCache(inst.getZooKeepers(), inst.getZooKeepersSessionTimeOut(), new TableConfWatcher(inst.getInstanceID())); } if (value != null) log.error("Using default value for " + key + " due to improperly formatted " + property.getType() + ": " + value); if (v != null) value = new String(v); if (tablePropCache != null) tablePropCache.clear(); if (child != null && value != null) entries.put(child, value);
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. */ @Override public void visit(State state, Properties props) throws Exception {}
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
Instance instance = new ZooKeeperInstance(cluster.getConfig().getInstanceName(), cluster.getConfig().getZooKeepers());
Either log or rethrow this exception.
return new Credentials(getSysUserName(), getSysToken()).toThrift(this.state.getInstance()); return new Credentials(getTabUserName(), getTabToken()).toThrift(this.state.getInstance());
Remove this hard-coded password.
/* * 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.conf.Property; import org.apache.accumulo.server.conf.ServerConfiguration; private String bannerText; private String bannerColor; private String bannerBackground; bannerText = sanitize(ServerConfiguration.getSystemConfiguration().get(Property.MONITOR_BANNER_TEXT)); bannerColor = ServerConfiguration.getSystemConfiguration().get(Property.MONITOR_BANNER_COLOR).replace("'", "&#39;"); bannerBackground = ServerConfiguration.getSystemConfiguration().get(Property.MONITOR_BANNER_BACKGROUND).replace("'", "&#39;"); sb.append("<div id='header'>"); if (!bannerText.isEmpty()) { sb.append("<div id='banner' style='color:").append(bannerColor).append(";background:").append(bannerBackground).append("'>").append(bannerText) .append("</div>\n"); } sb.append("<div id='headertitle'>"); sb.append("<h1>").append(getTitle(req)).append("</h1></div>\n"); sb.append("<br><span class='smalltext'>").append(new Date().toString().replace(" ", "&nbsp;")).append("</span>"); sb.append("</div>\n"); // end <div id='subheader'> sb.append("</div>\n"); // end <div id='header'> sb.append("<div id='main'"); if (bannerText.isEmpty()) sb.append(" style='bottom:0'"); sb.append(">\n"); if (!bannerText.isEmpty()) { sb.append("<div id='footer' style='color:").append(bannerColor).append(";background:").append(bannerBackground).append("'>").append(bannerText) .append("</div>\n"); }
Remove the literal "true" boolean value.
@Test(timeout = 2 * 60 * 1000)
Either log or rethrow this exception.
@Override
Make the "log" 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. */
Replace all tab characters in this file by sequences of white-spaces.
private static final int CORE_POOL_SIZE = 8; private static final int MAX_POOL_SIZE = CORE_POOL_SIZE; static String tableName = null; @Override public void visit(State state, Properties props) throws Exception { Random rand = new Random(); tableName = Integer.toHexString(Math.abs(rand.nextInt())); log.info("Starting bulk test on " + tableName); List<PerColumnIteratorConfig> aggregators = Collections.singletonList(new PerColumnIteratorConfig(new Text("cf".getBytes()), null, org.apache.accumulo.core.iterators.aggregation.StringSummation.class.getName())); try { if (!state.getConnector().tableOperations().exists(getTableName())) { state.getConnector().tableOperations().create(getTableName()); state.getConnector().tableOperations().addAggregators(getTableName(), aggregators); } } catch (TableExistsException ex) { // expected if there are multiple walkers state.set("rand", rand); state.set("fs", FileSystem.get(CachedConfiguration.getInstance())); BlockingQueue<Runnable> q = new LinkedBlockingQueue<Runnable>(); ThreadFactory factory = new ThreadFactory() { @Override public Thread newThread(Runnable r) { return new Daemon(new LoggingRunnable(log, r)); } }; ThreadPoolExecutor e = new ThreadPoolExecutor(CORE_POOL_SIZE, MAX_POOL_SIZE, 1, TimeUnit.SECONDS, q, factory); state.set("pool", e); } public static String getTableName() { return tableName; } public static ThreadPoolExecutor getThreadPool(State state) { return (ThreadPoolExecutor) state.get("pool"); } public static void run(State state, Runnable r) { getThreadPool(state).submit(r); }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
public final static String PARTITIONED_INPUT_MIN_SPLIT_SIZE = "wikipedia.min.input.split.size"; public static long getMinInputSplitSize(Configuration conf) { return conf.getLong(PARTITIONED_INPUT_MIN_SPLIT_SIZE, 1l << 27); }
Complete the task associated to this TODO comment.
// Set the formatter property on the table
Either log or rethrow this exception.
if (parts.length > 1) addr = new InetSocketAddress(parts[0], Integer.parseInt(parts[1])); else addr = new InetSocketAddress(parts[0], 2181); if (line.startsWith(" ")) clients++; if (line.startsWith("Mode")) mode = line.split(":")[1];
Remove this call to "exit" or ensure it is really required.
AccumuloInputFormat.setZooKeeperInstance(job.getConfiguration(), args[0], args[1]); AccumuloInputFormat.setInputInfo(job.getConfiguration(), args[2], args[3].getBytes(), args[4], new Authorizations()); AccumuloInputFormat.addIterator(job.getConfiguration(), regex);
Remove this unused private "debugQuery" method.
@Test(timeout = 2 * 60 *1000)
Either log or rethrow this exception.
log.trace("Using existing connection to " + ttk.getLocation() + ":" + ttk.getPort() + " timeout " + ttk.getTimeout());
Remove this call to "exit" or ensure it is really required.
import org.apache.accumulo.core.security.Credentials; private Credentials credentials; serverQueue = serverQueues.get(location); } catch (Exception e) {} finally { locator.binMutations(credentials, mutations, binnedMutations, failures); if (!serverQueue.taskQueued) { private void reschedule(SendTask task) { if (serverQueue.queue.size() > 0) ConditionalWriterImpl(Instance instance, Credentials credentials, String tableId, ConditionalWriterConfig config) { List<QCMutation> mutations = new ArrayList<QCMutation>(); failedMutations.drainTo(mutations); queue(mutations); @Override private HashMap<String,SessionID> cachedSessionIDs = new HashMap<String,SessionID>(); // avoid cost of repeatedly making RPC to create sessions, reuse sessions TConditionalSession tcs = client.startConditionalUpdate(tinfo, credentials.toThrift(instance), ByteBufferUtil.toByteBuffers(auths.getAuthorizations()), tableId); private void unreserveSessionID(String location) { ignored.add(cmk.cm); if (sessionId == null) { } else { } catch (Exception e2) { @Override
Immediately return this expression instead of assigning it to the temporary variable "onlineTabletsForTable".
/* * 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.
@Deprecated
Remove this unused method parameter "ex".
package org.apache.accumulo.fate.zookeeper;
Remove this call to "exit" or ensure it is really required.
void visit(int level, RemoteSpan parent, RemoteSpan node, Collection<RemoteSpan> children);
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import java.math.BigInteger; eid = new BigInteger(sa[1], 16).longValue();
Return empty string instead.
if (super.getTopKey().isDeleted())
At most one statement is allowed per line, but 2 statements were found on this line.
/* * 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.
Long next = iter.next(); sum = safeAdd(sum, next);
Remove this call to "exit" or ensure it is really required.
super(string, timeInMillis, SCHEME, (USER + ":" + secret).getBytes());
Remove this unused method parameter "ex".
while ((totalMemUsed > maxMem || flushing) && !somethingFailed) {
Return empty string instead.
import java.util.TreeMap;
Replace all tab characters in this file by sequences of white-spaces.
public static void main(String[] args) throws AccumuloException, AccumuloSecurityException, TableNotFoundException { if (args.length < 5 || args.length > 7) { System.out .println("bin/accumulo accumulo.examples.helloworld.ReadData <instance name> <zoo keepers> <tablename> <username> <password> [startkey [endkey]]"); System.exit(1); String instanceName = args[0]; String zooKeepers = args[1]; String tableName = args[2]; String user = args[3]; byte[] pass = args[4].getBytes(); ZooKeeperInstance instance = new ZooKeeperInstance(instanceName, zooKeepers); Connector connector = instance.getConnector(user, pass); Scanner scan = connector.createScanner(tableName, Constants.NO_AUTHS); Key start = null; if (args.length > 5) start = new Key(new Text(args[5])); Key end = null; if (args.length > 6) end = new Key(new Text(args[6])); scan.setRange(new Range(start, end)); Iterator<Entry<Key,Value>> iter = scan.iterator(); while (iter.hasNext()) { Entry<Key,Value> e = iter.next(); Text colf = e.getKey().getColumnFamily(); Text colq = e.getKey().getColumnQualifier(); System.out.print("row: " + e.getKey().getRow() + ", colf: " + colf + ", colq: " + colq); System.out.println(", value: " + e.getValue().toString()); } }
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. */
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import org.apache.commons.cli.OptionGroup; OptionGroup nameGroup = new OptionGroup(); allOpt = new Option("a", "all", false, "delete all scan iterators"); nameGroup.addOption(nameOpt); nameGroup.addOption(allOpt); nameGroup.setRequired(true); o.addOptionGroup(nameGroup);
2 duplicated blocks of code must be removed.
} else { shellState.checkTableState(); tablesToFlush.add(shellState.getTableName());
Define and throw a dedicated exception instead of using a generic one.
shellState.getReader().flush(); shellState.getReader().println(String.format(fmt, args));
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.client.security.tokens.AuthenticationToken; private static String principal; private static AuthenticationToken token; Connector connector = HdfsZooInstance.getInstance().getConnector(principal, token);
Immediately return this expression instead of assigning it to the temporary variable "connector".
* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ class TableConfWatcher implements Watcher { TableConfWatcher(String instanceId) { public void process(WatchedEvent event) { if (path.startsWith(tablesPrefix + tableId + Constants.ZTABLE_CONF + "/")) key = path.substring((tablesPrefix + tableId + Constants.ZTABLE_CONF + "/").length()); switch (event.getType()) { if (log.isTraceEnabled()) log.trace("EventNodeDataChanged " + event.getPath()); if (key != null) ServerConfiguration.getTableConfiguration(instanceId, tableId).propertyChanged(key); switch (event.getState()) { switch (event.getState()) {
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
package org.apache.accumulo.core.util; import org.apache.accumulo.core.data.ByteSequence; public class ByteArrayBackedCharSequence implements CharSequence { private byte[] data; private int offset; private int len; public ByteArrayBackedCharSequence(byte[] data, int offset, int len){ this.data = data; this.offset = offset; this.len = len; } public ByteArrayBackedCharSequence(byte[] data){ this(data, 0, data.length); } public ByteArrayBackedCharSequence(){ this(null, 0, 0); } public void set(byte[] data, int offset, int len){ this.data = data; this.offset = offset; this.len = len; } @Override public char charAt(int index) { return (char) (0xff & data[offset + index]); } @Override public int length() { return len; } @Override public CharSequence subSequence(int start, int end) { return new ByteArrayBackedCharSequence(data, offset + start, end - start); } public String toString(){ return new String(data, offset, len); } public void set(ByteSequence bs) { set(bs.getBackingArray(), bs.offset(), bs.length()); } }
Return empty string instead.
import org.apache.accumulo.core.client.security.SecurityErrorCode; if (ae.getSecurityErrorCode().equals(SecurityErrorCode.PERMISSION_DENIED)) { } else if (ae.getSecurityErrorCode().equals(SecurityErrorCode.BAD_CREDENTIALS)) {
Do not forget to remove this deprecated code someday.
import org.apache.accumulo.core.util.RootTable; if (pr.getTableName().equals(MetadataTable.ID) || pr.getTableName().equals(RootTable.ID)) {
Reduce this switch case number of lines from 12 to at most 5, for example by extracting code into methods.
/** * This iterator facilitates document-partitioned indexing. It is an example of extending the IntersectingIterator to customize the placement of the term and * docID. It expects a table structure of the following form: * * row: shardID, colfam: docColf\0type, colqual: docID, value: doc * * row: shardID, colfam: indexColf, colqual: term\0type\0docID\0info, value: (empty) * * When you configure this iterator with a set of terms, it will return only the docIDs and docs that appear with all of the specified terms. The result will * have the following form: * * row: shardID, colfam: indexColf, colqual: type\0docID\0info, value: doc * * This iterator is commonly used with BatchScanner or AccumuloInputFormat, to parallelize the search over all shardIDs. */
Refactor this code to not nest more than 3 if/for/while/switch/try statements.
import org.apache.accumulo.core.cli.ClientOnRequiredTable; import com.beust.jcommander.Parameter; static class Opts extends ClientOnRequiredTable { @Parameter(names="--output", description="output directory", required=true) String output; @Parameter(names="--columns", description="columns to extract, in cf:cq{,cf:cq,...} form") String columns; } Opts opts = new Opts(); opts.parseArgs(getClass().getName(), args); opts.setAccumuloConfigs(job); for (String col : opts.columns.split(",")) { TextOutputFormat.setOutputPath(job, new Path(opts.output));
Remove this call to "exit" or ensure it is really required.
import org.apache.accumulo.core.util.ServerServices.Service; static volatile boolean warnedAboutTServersBeingDown = false; if (!opened) { if (!warnedAboutTServersBeingDown) { if (servers.isEmpty()) { log.warn("There are no tablet servers: check that zookeeper and tablet servers are running."); } else { log.warn("Failed to find an available server in the list of servers: " + servers); } warnedAboutTServersBeingDown = true; } }
Move this variable to comply with Java Code Conventions.
private TabletServerStatus status; private TServerInstance instance; public TServerUsesLoggers(TServerInstance instance, TabletServerStatus status) { this.instance = instance; this.status = status; } @Override public Set<String> getLoggers() { return Collections.unmodifiableSet(status.loggers); } @Override public int compareTo(LoggerUser o) { if (o instanceof TServerUsesLoggers) return instance.compareTo(((TServerUsesLoggers) o).instance); return -1; } @Override public int hashCode() { return instance.hashCode(); } public TServerInstance getInstance() { return instance; }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import java.util.List; map.put(new Key(new Text("r1"), new Text("cf1"), new Text("cq1"), new Text("cv1"), 1l), new Value("val1".getBytes())); map.put(new Key(new Text("r1"), new Text("cf1"), new Text("cq2"), new Text("cv1"), 2l), new Value("val2".getBytes())); map.put(new Key(new Text("r2"), new Text("cf1"), new Text("cq1"), new Text("cv1"), 3l), new Value("val3".getBytes())); map.put(new Key(new Text("r2"), new Text("cf2"), new Text("cq1"), new Text("cv1"), 4l), new Value("val4".getBytes())); map.put(new Key(new Text("r3"), new Text("cf1"), new Text("cq1"), new Text("cv1"), 5l), new Value("val4".getBytes())); map.put(new Key(new Text("r3"), new Text("cf1"), new Text("cq1"), new Text("cv2"), 6l), new Value("val4".getBytes())); map.put(new Key(new Text("r4"), new Text("cf1"), new Text("cq1"), new Text("cv1"), 7l), new Value("".getBytes())); map.put(new Key(new Text("r4"), new Text("cf1"), new Text("cq1"), new Text(""), 8l), new Value("val1".getBytes())); map.put(new Key(new Text("r4"), new Text("cf1"), new Text(""), new Text("cv1"), 9l), new Value("val1".getBytes())); map.put(new Key(new Text("r4"), new Text(""), new Text("cq1"), new Text("cv1"), 10l), new Value("val1".getBytes())); map.put(new Key(new Text(""), new Text("cf1"), new Text("cq1"), new Text("cv1"), 11l), new Value("val1".getBytes()));
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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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import org.apache.accumulo.core.security.tokens.PasswordToken;
1 duplicated blocks of code must be removed.
import org.apache.accumulo.core.security.thrift.Credential; public void initializeSecurity(Credential itw, String rootuser) throws AccumuloSecurityException {
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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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import org.apache.accumulo.core.cli.ClientOnRequiredTable; import com.beust.jcommander.Parameter; static class Opts extends ClientOnRequiredTable { @Parameter(names="--num", required=true) int num = 0; @Parameter(names="--min") long min = 0; @Parameter(names="--max") long max = Long.MAX_VALUE; @Parameter(names="--size", required=true, description="size of the value to write") int size = 0; @Parameter(names="--vis", converter=VisibilityConverter.class) ColumnVisibility visiblity = new ColumnVisibility(""); @Parameter(names="--seed", description="seed for pseudo-random number generator") Long seed = null; } Opts opts = new Opts(); opts.parseArgs(RandomBatchWriter.class.getName(), args); if (opts.seed == null) r = new Random(opts.seed); Connector connector = opts.getConnector(); BatchWriter bw = connector.createBatchWriter(opts.tableName, opts.getBatchWriterConfig()); ColumnVisibility cv = opts.visiblity; for (int i = 0; i < opts.num; i++) { long rowid = (Math.abs(r.nextLong()) % (opts.max - opts.min)) + opts.min; Mutation m = createMutation(rowid, opts.size, cv);
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. */ @SuppressWarnings("all") public enum IteratorScope implements org.apache.thrift.TEnum {
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
if (!shellState.getConnector().tableOperations().exists(tableName)) throw new TableNotFoundException(null, tableName, null); if (text == null) return null;
Remove this call to "exit" or ensure it is really required.
import org.apache.accumulo.server.iterators.MetadataBulkLoadFilter; initialMetadataConf.put(Property.TABLE_ITERATOR_PREFIX.getKey() + "majc.bulkLoadFilter", "20," + MetadataBulkLoadFilter.class.getName());
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import org.apache.accumulo.core.cli.BatchWriterOpts; BatchWriterOpts bwOpts = new BatchWriterOpts(); opts.parseArgs(InsertWithBatchWriter.class.getName(), args, bwOpts); MultiTableBatchWriter mtbw = connector.createMultiTableBatchWriter(bwOpts.getBatchWriterConfig());
Remove this unused method parameter "opts".
public void setUser(String s) { this.user = s; }
Remove this unused method parameter "ex".
* jdwpEnabled=true if (opts.prop.containsKey("jdwpEnabled")) config.setJDWPEnabled(Boolean.parseBoolean(opts.prop.getProperty("jdwpEnabled")));
Define a constant instead of duplicating this literal "superSecret" 3 times.
import org.apache.accumulo.core.client.mapreduce.lib.util.OutputConfigurator;
Either log or rethrow this exception.
* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public long isReady(long tid, Master environment) throws Exception { return 0; } // TODO move this to isReady() and drop while loop? Map<String,String> loggers = m.getLoggers(); for (Entry<String,String> entry : loggers.entrySet()) { public void undo(long tid, Master m) throws Exception {}
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
/* * 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.security.tokens.PasswordToken; import org.apache.accumulo.core.security.tokens.SecurityToken;
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]*$'.
* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ private boolean sortable = true; abstract public String alignment(); abstract public String format(Object obj); public final void setSortable(boolean sortable) { this.sortable = sortable; } public final boolean isSortable() { return sortable; }
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
package org.apache.accumulo.instamo; /** * 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. */ import org.apache.accumulo.test.MacConfig; import org.apache.accumulo.test.MiniAccumuloCluster; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.Test; import org.junit.rules.TemporaryFolder; /** * An example unit test that shows how to use MiniAccumuloCluster in a unit test */ public class ExampleAccumuloUnitTest { public static TemporaryFolder folder = new TemporaryFolder(); private static MiniAccumuloCluster accumulo; @BeforeClass public static void setupMiniCluster() throws Exception { folder.create(); accumulo = new MiniAccumuloCluster(new MacConfig(folder.getRoot(), "superSecret")); accumulo.start(); } @Test(timeout = 30000) public void test() throws Exception { AccumuloApp.run(accumulo.getInstanceName(), accumulo.getZookeepers(), "superSecret", new String[0]); } @AfterClass public static void tearDownMiniCluster() throws Exception { accumulo.stop(); folder.delete(); } }
Remove this unused private "appendProp" method.
package org.apache.accumulo.examples.simple.filedata;
2 duplicated blocks of code must be removed.
import org.apache.accumulo.core.security.thrift.Credential; private Credential credentials; public Writer(Instance instance, Credential credentials, Text table) { public Writer(Instance instance, Credential credentials, String table) { private static void updateServer(Mutation m, KeyExtent extent, String server, Credential ai, AccumuloConfiguration configuration) throws TException,
Rename this local variable to match the regular expression '^[a-z][a-zA-Z0-9]*$'.
import java.util.List; List<IteratorSetting> tableScanIterators = shellState.scanIteratorOptions.get(shellState.getTableName()); if (tableScanIterators == null) { Shell.log.debug("Found no scan iterators to set"); } Shell.log.debug("Found " + tableScanIterators.size() + " scan iterators to set"); for (IteratorSetting setting : tableScanIterators) { Shell.log.debug("Setting scan iterator " + setting.getName() + " at priority " + setting.getPriority() + " using class name " + setting.getIteratorClass()); for (Entry<String,String> option : setting.getProperties().entrySet()) { Shell.log.debug("Setting option for " + setting.getName() + ": " + option.getKey() + "=" + option.getValue()); scanner.addScanIterator(setting); }
Remove the literal "true" boolean value.
/* * 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.client.IteratorSetting; import org.apache.accumulo.core.client.admin.TableOperations; import org.apache.accumulo.core.iterators.LongCombiner; import org.apache.accumulo.core.iterators.user.SummingCombiner; TableOperations tableOps = state.getConnector().tableOperations(); if (!tableOps.exists(getTableName())) { tableOps.create(getTableName()); IteratorSetting is = new IteratorSetting(10, org.apache.accumulo.core.iterators.user.SummingCombiner.class); SummingCombiner.setEncodingType(is, LongCombiner.Type.STRING); SummingCombiner.setColumns(is, BulkPlusOne.COLNAMES); tableOps.attachIterator(getTableName(), is);
This block of commented-out lines of code should be removed.
@SuppressWarnings("all") public enum ScanState implements org.apache.thrift.TEnum {
300 duplicated blocks of code must be removed.
package org.apache.accumulo.server.test; import java.io.IOException; 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.util.CachedConfiguration; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.log4j.Logger; public class DumpMapFile { private static final Logger log = Logger.getLogger(DumpMapFile.class); public static void main(String[] args) { try { Configuration conf = CachedConfiguration.getInstance(); FileSystem fs = FileSystem.get(conf); MyMapFile.Reader mr = new MyMapFile.Reader(fs, args[0], conf); Key key = new Key(); Value value = new Value(); long start = System.currentTimeMillis(); while(mr.next(key, value)) { log.info(key + " -> " + value); } long stop = System.currentTimeMillis(); log.info(stop - start); } catch (IOException e) { throw new RuntimeException(e); } } }
Return empty string instead.