org.apache.commons.collections.map.LRUMap Java Examples
The following examples show how to use
org.apache.commons.collections.map.LRUMap.
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Example #1
Source File: QueryManager.java From tajo with Apache License 2.0 | 6 votes |
@Override public void serviceInit(Configuration conf) throws Exception { try { this.dispatcher = new AsyncDispatcher(); addService(this.dispatcher); this.dispatcher.register(QueryJobEvent.Type.class, new QueryJobManagerEventHandler()); TajoConf tajoConf = TUtil.checkTypeAndGet(conf, TajoConf.class); this.historyCache = new LRUMap(tajoConf.getIntVar(TajoConf.ConfVars.HISTORY_QUERY_CACHE_SIZE)); } catch (Exception e) { LOG.error("Failed to init service " + getName() + " by exception " + e, e); } super.serviceInit(conf); }
Example #2
Source File: QueryMaster.java From tajo with Apache License 2.0 | 6 votes |
@Override public void serviceInit(Configuration conf) throws Exception { this.systemConf = TUtil.checkTypeAndGet(conf, TajoConf.class); this.manager = RpcClientManager.getInstance(); this.rpcClientParams = RpcParameterFactory.get(this.systemConf); querySessionTimeout = systemConf.getIntVar(TajoConf.ConfVars.QUERY_SESSION_TIMEOUT); queryMasterContext = new QueryMasterContext(systemConf); clock = new SystemClock(); finishedQueryMasterTasksCache = new LRUMap(systemConf.getIntVar(TajoConf.ConfVars.HISTORY_QUERY_CACHE_SIZE)); this.dispatcher = new AsyncDispatcher(); addIfService(dispatcher); globalPlanner = new GlobalPlanner(systemConf, workerContext); dispatcher.register(QueryStartEvent.EventType.class, new QueryStartEventHandler()); dispatcher.register(QueryStopEvent.EventType.class, new QueryStopEventHandler()); super.serviceInit(conf); LOG.info("QueryMaster inited"); }
Example #3
Source File: ClassificationServiceCache.java From windup with Eclipse Public License 1.0 | 5 votes |
/** * Keep a cache of items files associated with classification in order to improve performance. */ @SuppressWarnings("unchecked") private static synchronized Map<String, Boolean> getCache(GraphRewrite event) { Map<String, Boolean> result = (Map<String, Boolean>)event.getRewriteContext().get(ClassificationServiceCache.class); if (result == null) { result = Collections.synchronizedMap(new LRUMap(30000)); event.getRewriteContext().put(ClassificationServiceCache.class, result); } return result; }
Example #4
Source File: XsltSender.java From iaf with Apache License 2.0 | 5 votes |
/** * The <code>configure()</code> method instantiates a transformer for the specified * XSL. If the stylesheetName cannot be accessed, a ConfigurationException is thrown. */ @Override public void configure() throws ConfigurationException { super.configure(); streamingXslt = AppConstants.getInstance(getConfigurationClassLoader()).getBoolean("xslt.streaming.default", false); dynamicTransformerPoolMap = Collections.synchronizedMap(new LRUMap(transformerPoolMapSize)); if(StringUtils.isNotEmpty(getXpathExpression()) && getOutputType()==null) { setOutputType("text"); } if(StringUtils.isNotEmpty(getStyleSheetName()) || StringUtils.isNotEmpty(getXpathExpression())) { Boolean omitXmlDeclaration = getOmitXmlDeclaration(); if (omitXmlDeclaration==null) { omitXmlDeclaration=true; } transformerPool = TransformerPool.configureTransformer0(getLogPrefix(), getConfigurationClassLoader(), getNamespaceDefs(), getXpathExpression(), getStyleSheetName(), getOutputType(), !omitXmlDeclaration, getParameterList(), getXsltVersion()); } else if(StringUtils.isEmpty(getStyleSheetNameSessionKey())) { throw new ConfigurationException(getLogPrefix()+" one of xpathExpression, styleSheetName or styleSheetNameSessionKey must be specified"); } if (getXsltVersion()>=2) { ParameterList parameterList = getParameterList(); if (parameterList!=null) { for (int i=0; i<parameterList.size(); i++) { Parameter parameter = parameterList.getParameter(i); if (StringUtils.isNotEmpty(parameter.getType()) && "node".equalsIgnoreCase(parameter.getType())) { throw new ConfigurationException(getLogPrefix() + "type \"node\" is not permitted in combination with XSLT 2.0, use type \"domdoc\""); } } } } }
Example #5
Source File: AbstractCassandaTestElement.java From jmeter-cassandra with Apache License 2.0 | 5 votes |
private BoundStatement getPreparedStatement(Session conn, boolean callable) { Map<String, PreparedStatement> preparedStatementMap = perConnCache.get(conn); if (null == preparedStatementMap ) { @SuppressWarnings("unchecked") // LRUMap is not generic Map<String, PreparedStatement> lruMap = new LRUMap(MAX_OPEN_PREPARED_STATEMENTS) { private static final long serialVersionUID = 1L; @Override protected boolean removeLRU(LinkEntry entry) { PreparedStatement preparedStatement = (PreparedStatement)entry.getValue(); return true; } }; // TODO - This is wrong, but is synchronized preparedStatementMap = Collections.<String, PreparedStatement>synchronizedMap(lruMap); // As a connection is held by only one thread, we cannot already have a // preparedStatementMap put by another thread perConnCache.put(conn, preparedStatementMap); } PreparedStatement pstmt = preparedStatementMap.get(getQuery()); if (null == pstmt) { pstmt = conn.prepare(getQuery()); // PreparedStatementMap is associated to one connection so // 2 threads cannot use the same PreparedStatement map at the same time preparedStatementMap.put(getQuery(), pstmt); } return pstmt.bind(); }
Example #6
Source File: EventStreamViewModel.java From zap-extensions with Apache License 2.0 | 5 votes |
/** * Useful Ctor for subclasses. * * @param databaseTable */ protected EventStreamViewModel(TableEventStream databaseTable) { super(); table = databaseTable; fullMessagesCache = new LRUMap(10); }
Example #7
Source File: GitIndexEntryCache.java From zap-extensions with Apache License 2.0 | 5 votes |
/** * puts the Git Index and Git Index Entry in a map * * @param gitIndexUri * @param gitIndexEntryUri */ @SuppressWarnings("unchecked") public synchronized void putIndexEntry(URI gitIndexUri, URI gitIndexEntryUri, String gitSHA1) { Map<URI, String> indexEntryMap; if (gitIndexMap.containsKey(gitIndexUri)) { indexEntryMap = gitIndexMap.get(gitIndexUri); } else { indexEntryMap = Collections.synchronizedMap( new LRUMap(1000)); // max: 1000 Git index entries (LRU) } indexEntryMap.put(gitIndexEntryUri, gitSHA1); gitIndexMap.put(gitIndexUri, indexEntryMap); }
Example #8
Source File: AggBridge.java From pxf with Apache License 2.0 | 5 votes |
@Override public boolean beginIteration() throws Exception { /* Initialize LRU cache with 100 items*/ outputCache = new LRUMap(); boolean openForReadStatus = accessor.openForRead(); ((StatsAccessor) accessor).retrieveStats(); return openForReadStatus; }
Example #9
Source File: WebSocketMessagesViewModel.java From zap-extensions with Apache License 2.0 | 5 votes |
/** Useful Ctor for subclasses. */ protected WebSocketMessagesViewModel(TableWebSocket webSocketTable) { super(); table = webSocketTable; fullMessagesCache = new LRUMap(10); }
Example #10
Source File: LeveldbTimelineStore.java From big-c with Apache License 2.0 | 4 votes |
@Override @SuppressWarnings("unchecked") protected void serviceInit(Configuration conf) throws Exception { Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_TTL_MS, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_TTL_MS) > 0, "%s property value should be greater than zero", YarnConfiguration.TIMELINE_SERVICE_TTL_MS); Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_TTL_INTERVAL_MS, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_TTL_INTERVAL_MS) > 0, "%s property value should be greater than zero", YarnConfiguration.TIMELINE_SERVICE_LEVELDB_TTL_INTERVAL_MS); Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE) >= 0, "%s property value should be greater than or equal to zero", YarnConfiguration.TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE); Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_START_TIME_READ_CACHE_SIZE, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_START_TIME_READ_CACHE_SIZE) > 0, " %s property value should be greater than zero", YarnConfiguration.TIMELINE_SERVICE_LEVELDB_START_TIME_READ_CACHE_SIZE); Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_START_TIME_WRITE_CACHE_SIZE, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_START_TIME_WRITE_CACHE_SIZE) > 0, "%s property value should be greater than zero", YarnConfiguration.TIMELINE_SERVICE_LEVELDB_START_TIME_WRITE_CACHE_SIZE); Options options = new Options(); options.createIfMissing(true); options.cacheSize(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE)); JniDBFactory factory = new JniDBFactory(); Path dbPath = new Path( conf.get(YarnConfiguration.TIMELINE_SERVICE_LEVELDB_PATH), FILENAME); FileSystem localFS = null; try { localFS = FileSystem.getLocal(conf); if (!localFS.exists(dbPath)) { if (!localFS.mkdirs(dbPath)) { throw new IOException("Couldn't create directory for leveldb " + "timeline store " + dbPath); } localFS.setPermission(dbPath, LEVELDB_DIR_UMASK); } } finally { IOUtils.cleanup(LOG, localFS); } LOG.info("Using leveldb path " + dbPath); db = factory.open(new File(dbPath.toString()), options); checkVersion(); startTimeWriteCache = Collections.synchronizedMap(new LRUMap(getStartTimeWriteCacheSize( conf))); startTimeReadCache = Collections.synchronizedMap(new LRUMap(getStartTimeReadCacheSize( conf))); if (conf.getBoolean(YarnConfiguration.TIMELINE_SERVICE_TTL_ENABLE, true)) { deletionThread = new EntityDeletionThread(conf); deletionThread.start(); } super.serviceInit(conf); }
Example #11
Source File: TimelineACLsManager.java From big-c with Apache License 2.0 | 4 votes |
@SuppressWarnings("unchecked") public TimelineACLsManager(Configuration conf) { this.adminAclsManager = new AdminACLsManager(conf); aclExts = Collections.synchronizedMap( new LRUMap(DOMAIN_ACCESS_ENTRY_CACHE_SIZE)); }
Example #12
Source File: VisibilityFilter.java From timely with Apache License 2.0 | 4 votes |
public VisibilityFilter(Authorizations authorizations) { this.ve = new VisibilityEvaluator(authorizations); this.cache = new LRUMap(1000); }
Example #13
Source File: LeveldbTimelineStore.java From hadoop with Apache License 2.0 | 4 votes |
@Override @SuppressWarnings("unchecked") protected void serviceInit(Configuration conf) throws Exception { Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_TTL_MS, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_TTL_MS) > 0, "%s property value should be greater than zero", YarnConfiguration.TIMELINE_SERVICE_TTL_MS); Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_TTL_INTERVAL_MS, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_TTL_INTERVAL_MS) > 0, "%s property value should be greater than zero", YarnConfiguration.TIMELINE_SERVICE_LEVELDB_TTL_INTERVAL_MS); Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE) >= 0, "%s property value should be greater than or equal to zero", YarnConfiguration.TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE); Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_START_TIME_READ_CACHE_SIZE, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_START_TIME_READ_CACHE_SIZE) > 0, " %s property value should be greater than zero", YarnConfiguration.TIMELINE_SERVICE_LEVELDB_START_TIME_READ_CACHE_SIZE); Preconditions.checkArgument(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_START_TIME_WRITE_CACHE_SIZE, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_START_TIME_WRITE_CACHE_SIZE) > 0, "%s property value should be greater than zero", YarnConfiguration.TIMELINE_SERVICE_LEVELDB_START_TIME_WRITE_CACHE_SIZE); Options options = new Options(); options.createIfMissing(true); options.cacheSize(conf.getLong( YarnConfiguration.TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE, YarnConfiguration.DEFAULT_TIMELINE_SERVICE_LEVELDB_READ_CACHE_SIZE)); JniDBFactory factory = new JniDBFactory(); Path dbPath = new Path( conf.get(YarnConfiguration.TIMELINE_SERVICE_LEVELDB_PATH), FILENAME); FileSystem localFS = null; try { localFS = FileSystem.getLocal(conf); if (!localFS.exists(dbPath)) { if (!localFS.mkdirs(dbPath)) { throw new IOException("Couldn't create directory for leveldb " + "timeline store " + dbPath); } localFS.setPermission(dbPath, LEVELDB_DIR_UMASK); } } finally { IOUtils.cleanup(LOG, localFS); } LOG.info("Using leveldb path " + dbPath); db = factory.open(new File(dbPath.toString()), options); checkVersion(); startTimeWriteCache = Collections.synchronizedMap(new LRUMap(getStartTimeWriteCacheSize( conf))); startTimeReadCache = Collections.synchronizedMap(new LRUMap(getStartTimeReadCacheSize( conf))); if (conf.getBoolean(YarnConfiguration.TIMELINE_SERVICE_TTL_ENABLE, true)) { deletionThread = new EntityDeletionThread(conf); deletionThread.start(); } super.serviceInit(conf); }
Example #14
Source File: TimelineACLsManager.java From hadoop with Apache License 2.0 | 4 votes |
@SuppressWarnings("unchecked") public TimelineACLsManager(Configuration conf) { this.adminAclsManager = new AdminACLsManager(conf); aclExts = Collections.synchronizedMap( new LRUMap(DOMAIN_ACCESS_ENTRY_CACHE_SIZE)); }
Example #15
Source File: MetadataDictionary.java From emissary with Apache License 2.0 | 4 votes |
/** * Setup from configuration file or stream Items used here are * <ul> * <li>RENAME_* - read into a map for exact match renaming</li> * <li>REGEX - regex patterns that can drive renaming</li> * <li>CACHE_SIZE - size for LRU regex cache</li> * </ul> * * @param confArg the config stream to use or null for default */ @SuppressWarnings("unchecked") protected void reconfigure(final Configurator confArg) { try { final Configurator conf; if (confArg == null) { conf = ConfigUtil.getConfigInfo(MetadataDictionary.class); } else { conf = confArg; } this.nameMap = conf.findStringMatchMap("RENAME_", Configurator.PRESERVE_CASE); final int cacheSize = conf.findIntEntry("CACHE_SIZE", 500); this.regexCache = new ConcurrentHashMap<String, String>(new LRUMap(cacheSize)); this.logger.debug("LRU cache configured with size {}", cacheSize); final Map<String, String> list = conf.findStringMatchMap("REGEX_", Configurator.PRESERVE_CASE); this.regexMap = new HashMap<Pattern, String>(); for (final Map.Entry<String, String> entry : list.entrySet()) { try { this.regexMap.put(Pattern.compile(entry.getKey()), entry.getValue()); } catch (Exception pex) { this.logger.warn("Pattern '{}' could not compile", entry.getKey(), pex); } } } catch (IOException ex) { this.logger.warn("Cannot read config file", ex); } finally { if (this.nameMap == null) { this.nameMap = Collections.emptyMap(); } if (this.regexMap == null) { this.regexMap = Collections.emptyMap(); } if (this.regexCache == null) { this.regexCache = new LRUMap(500); } } }
Example #16
Source File: DoubleSubmitCheckToken.java From spring-boot-doma2-sample with Apache License 2.0 | 2 votes |
/** * トークンを保存する。 * * @param request * @param key * @param token */ protected static void setToken(HttpServletRequest request, String key, String token) { LRUMap map = getLRUMap(request); map.put(key, token); SessionUtils.setAttribute(request, DOUBLE_SUBMIT_CHECK_CONTEXT, map); }
Example #17
Source File: DoubleSubmitCheckToken.java From spring-boot-doma2-sample with Apache License 2.0 | 2 votes |
/** * トークンを取得する。 * * @param request * @param key * @return */ protected static String getToken(HttpServletRequest request, String key) { LRUMap map = getLRUMap(request); val token = (String) map.get(key); return token; }