Java Code Examples for java.util.concurrent.ConcurrentHashMap#clear()
The following examples show how to use
java.util.concurrent.ConcurrentHashMap#clear() .
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Example 1
Source File: WebsocketSubscriberPathManager.java From micro-integrator with Apache License 2.0 | 7 votes |
public void removeChannelContext(String inboundName, String subscriberPath, InboundWebsocketChannelContext ctx) { ConcurrentHashMap<String, List<InboundWebsocketChannelContext>> subscriberPathMap = inboundSubscriberPathMap .get(inboundName); List<InboundWebsocketChannelContext> listContext = subscriberPathMap.get(subscriberPath); for (Object context : listContext.toArray()) { if (((InboundWebsocketChannelContext) context).getChannelIdentifier().equals(ctx.getChannelIdentifier())) { listContext.remove(context); break; } } if (listContext.isEmpty()) { listContext.clear(); subscriberPathMap.remove(subscriberPath); } if (subscriberPathMap.isEmpty()) { subscriberPathMap.clear(); inboundSubscriberPathMap.remove(inboundName); } }
Example 2
Source File: CacheByTimeUtil.java From SuitAgent with Apache License 2.0 | 6 votes |
/** * 获取缓存数据 * @param key * @return * 未设置或缓存有效时间已过都会返回null */ public static Object getCache(String key) { synchronized (key.intern()){ if (StringUtils.isNotEmpty(key)){ ConcurrentHashMap<Long,CacheValue> cache = CATCH.get(key); if (cache != null){ Optional<Long> cacheTime = cache.keySet().stream().findFirst(); if (cacheTime.isPresent()){ CacheValue cacheValue = cache.get(cacheTime.get()); long now = System.currentTimeMillis(); if ((now - cacheTime.get()) < (cacheValue.getValidTime() * 1000)){ return cacheValue.getValue(); }else { //缓存失效 cache.clear(); CATCH.put(key,cache); } } } } return null; } }
Example 3
Source File: LinuxNativeIoPluginProvider.java From ignite with Apache License 2.0 | 6 votes |
/** * Free direct thread local buffer allocated for Direct IO user's threads. */ private void freeDirectBuffers() { ConcurrentHashMap<Long, Thread> buffers = managedBuffers; if (buffers == null) return; managedBuffers = null; if (log.isDebugEnabled()) log.debug("Direct IO buffers to be freed: " + buffers.size()); for (Map.Entry<Long, Thread> next : buffers.entrySet()) { Thread th = next.getValue(); Long addr = next.getKey(); if (log.isDebugEnabled()) log.debug(String.format("Free Direct IO buffer [address=%d; Thread=%s; alive=%s]", addr, th != null ? th.getName() : "", th != null && th.isAlive())); AlignedBuffers.free(addr); } buffers.clear(); }
Example 4
Source File: MismatchedImportsDetectorCache.java From needsmoredojo with Apache License 2.0 | 6 votes |
public MismatchedImportsDetectorCache() { pathReferences = new ConcurrentHashMap<PsiFile, ConcurrentHashMap<String, String>>(); ScheduledExecutorService service = Executors.newScheduledThreadPool(1); Runnable runnable = new Runnable() { @Override public void run() { for(ConcurrentHashMap<String, String> map : pathReferences.values()) { map.clear(); } try { Thread.sleep(5000); } catch (InterruptedException e) { Logger.getLogger(MismatchedImportsDetectorCache.class).warn("thread interrupted ", e); } } }; service.scheduleWithFixedDelay(runnable, 0, 5, TimeUnit.SECONDS); }
Example 5
Source File: HttpCacheClientTest.java From bazel with Apache License 2.0 | 5 votes |
@Test public void testUploadAtMostOnce() throws Exception { ServerChannel server = null; try { ConcurrentHashMap<String, byte[]> cacheContents = new ConcurrentHashMap<>(); server = testServer.start(new HttpCacheServerHandler(cacheContents)); HttpCacheClient blobStore = createHttpBlobStore(server, /* timeoutSeconds= */ 1, /* credentials= */ null); ByteString data = ByteString.copyFrom("foo bar", StandardCharsets.UTF_8); Digest digest = DIGEST_UTIL.compute(data.toByteArray()); blobStore.uploadBlob(digest, data).get(); assertThat(cacheContents).hasSize(1); String cacheKey = "/cas/" + digest.getHash(); assertThat(cacheContents).containsKey(cacheKey); assertThat(cacheContents.get(cacheKey)).isEqualTo(data.toByteArray()); // Clear the remote cache contents cacheContents.clear(); blobStore.uploadBlob(digest, data).get(); // Nothing should have been uploaded again. assertThat(cacheContents).isEmpty(); } finally { testServer.stop(server); } }
Example 6
Source File: StatementCache.java From Tomcat8-Source-Read with MIT License | 5 votes |
@Override public void disconnected(ConnectionPool parent, PooledConnection con, boolean finalizing) { @SuppressWarnings("unchecked") ConcurrentHashMap<CacheKey,CachedStatement> statements = (ConcurrentHashMap<CacheKey,CachedStatement>)con.getAttributes().get(STATEMENT_CACHE_ATTR); if (statements!=null) { for (Map.Entry<CacheKey, CachedStatement> p : statements.entrySet()) { closeStatement(p.getValue()); } statements.clear(); } super.disconnected(parent, con, finalizing); }
Example 7
Source File: ConcurrentHashMapTest.java From j2objc with Apache License 2.0 | 5 votes |
/** * Maps with same contents are equal */ public void testEquals() { ConcurrentHashMap map1 = map5(); ConcurrentHashMap map2 = map5(); assertEquals(map1, map2); assertEquals(map2, map1); map1.clear(); assertFalse(map1.equals(map2)); assertFalse(map2.equals(map1)); }
Example 8
Source File: SessionizerErrorManager.java From realtime-analytics with GNU General Public License v2.0 | 5 votes |
@ManagedOperation public void cleanErrors() { for (ConcurrentHashMap<String, LongCounter> v : errorCounterMap.values()) { v.clear(); } errorCount.set(0); m_errors.clearErrorList(); }
Example 9
Source File: DoubleKeyValueMap.java From AndroidStudyDemo with GNU General Public License v2.0 | 5 votes |
public void clear() { if (k1_k2V_map.size() > 0) { for (ConcurrentHashMap<K2, V> k2V_map : k1_k2V_map.values()) { k2V_map.clear(); } k1_k2V_map.clear(); } }
Example 10
Source File: StatementCache.java From tomcatsrc with Apache License 2.0 | 5 votes |
@Override public void disconnected(ConnectionPool parent, PooledConnection con, boolean finalizing) { @SuppressWarnings("unchecked") ConcurrentHashMap<CacheKey,CachedStatement> statements = (ConcurrentHashMap<CacheKey,CachedStatement>)con.getAttributes().get(STATEMENT_CACHE_ATTR); if (statements!=null) { for (Map.Entry<CacheKey, CachedStatement> p : statements.entrySet()) { closeStatement(p.getValue()); } statements.clear(); } super.disconnected(parent, con, finalizing); }
Example 11
Source File: DoubleKeyValueMap.java From BigApp_Discuz_Android with Apache License 2.0 | 5 votes |
public void clear() { if (k1_k2V_map.size() > 0) { for (ConcurrentHashMap<K2, V> k2V_map : k1_k2V_map.values()) { k2V_map.clear(); } k1_k2V_map.clear(); } }
Example 12
Source File: DoubleKeyValueMap.java From android-open-project-demo with Apache License 2.0 | 5 votes |
public void clear() { if (k1_k2V_map.size() > 0) { for (ConcurrentHashMap<K2, V> k2V_map : k1_k2V_map.values()) { k2V_map.clear(); } k1_k2V_map.clear(); } }
Example 13
Source File: StatementCache.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
@Override public void disconnected(ConnectionPool parent, PooledConnection con, boolean finalizing) { @SuppressWarnings("unchecked") ConcurrentHashMap<String,CachedStatement> statements = (ConcurrentHashMap<String,CachedStatement>)con.getAttributes().get(STATEMENT_CACHE_ATTR); if (statements!=null) { for (Map.Entry<String, CachedStatement> p : statements.entrySet()) { closeStatement(p.getValue()); } statements.clear(); } super.disconnected(parent, con, finalizing); }
Example 14
Source File: CacheByTimeUtil.java From SuitAgent with Apache License 2.0 | 5 votes |
/** * 设置缓存(指定缓存有效时间) * @param key * @param value * @param validTime */ public static void setCache(String key,Object value,int validTime) { synchronized (key.intern()){ if (StringUtils.isNotEmpty(key) && value != null){ ConcurrentHashMap<Long,CacheValue> cache = CATCH.get(key); if (cache == null){ cache = new ConcurrentHashMap<>(); } cache.clear(); cache.put(System.currentTimeMillis(),new CacheValue(validTime,value)); CATCH.put(key,cache); } } }
Example 15
Source File: SharedMap.java From pravega-samples with Apache License 2.0 | 4 votes |
@Override public void process(ConcurrentHashMap<K, V> impl) { impl.clear(); }
Example 16
Source File: ConcurrentHashMapTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
/** * clear removes all pairs */ public void testClear() { ConcurrentHashMap map = map5(); map.clear(); assertEquals(0, map.size()); }
Example 17
Source File: ReferenceCountingReadOnlyIndexReaderFactory.java From alfresco-repository with GNU Lesser General Public License v3.0 | 4 votes |
private <T> T manageCache(ConcurrentHashMap<Integer, WithUseCount<T>> cache, Accessor<T> accessor, int n, FieldSelector fieldSelector, int limit) throws IOException { Integer key = Integer.valueOf(n); WithUseCount<T> value = cache.get(key); if (value == null) { T made = accessor.get(n, fieldSelector); value = new WithUseCount<T>(made, n); cache.put(key, value); // resize if (limit >= 0) { if (cache.size() >= limit) { HashMap<Integer, WithUseCount<T>> keep = new HashMap<Integer, WithUseCount<T>>(); WithUseCount<T>[] existing = new WithUseCount[0]; synchronized (cache) { existing = cache.values().toArray(existing); cache.clear(); } Arrays.sort(existing); for (WithUseCount<T> current : existing) { keep.put(Integer.valueOf(current.doc), current); if ((current.count.get() == 0) || (keep.size() > (limit / 4))) { break; } } keep.put(key, value); cache.putAll(keep); } } } else { value.count.getAndIncrement(); } return value.object; }
Example 18
Source File: ConcurrentHashMapTest.java From j2objc with Apache License 2.0 | 4 votes |
/** * clear removes all pairs */ public void testClear() { ConcurrentHashMap map = map5(); map.clear(); assertEquals(0, map.size()); }
Example 19
Source File: MinaMessageQueueTest.java From gameserver with Apache License 2.0 | 4 votes |
@SuppressWarnings("unchecked") @Test public void testTryToCreateMessageClient() throws Exception { SessionRawMessage rawLocalMessage = createSessionRawMessage(40, 20000); SessionRawMessage rawRemoteMessage = createSessionRawMessage(40, 20001); MinaMessageQueue messageQueue = (MinaMessageQueue)MinaMessageQueue.getInstance(); TestUtil.setPrivateFieldValue("localMessageServerId", messageQueue, "localhost:10000"); ConcurrentHashMap<String, MessageClient> messageClientMap = (ConcurrentHashMap<String, MessageClient>) TestUtil.getPrivateFieldValue("messageClientMap", messageQueue); messageClientMap.clear(); LinkedBlockingQueue internalMessageQueue = (LinkedBlockingQueue)createNiceMock(LinkedBlockingQueue.class); internalMessageQueue.put(anyObject()); expectLastCall().anyTimes(); Object oldMessageQueue = TestUtil.getPrivateFieldValue("messageQueue", messageQueue); TestUtil.setPrivateFieldValue("messageQueue", messageQueue, internalMessageQueue); GameContext gameContext = GameContext.getTestInstance(); SessionManager sessionManager = createNiceMock(SessionManager.class); //Create the fake machine id String fakeMachineId = "www.baidu.com:80"; expect(sessionManager.findSessionMachineId(anyObject(SessionKey.class))).andReturn(fakeMachineId); TestUtil.setPrivateFieldValue("sessionManager", gameContext, sessionManager); MessageClient messageClient = createMock(MessageClient.class); assertEquals(0, messageClientMap.keySet().size()); replay(messageClient); replay(internalMessageQueue); replay(sessionManager); messageQueue.sessionWrite(rawLocalMessage.getSessionkey(), rawLocalMessage); verify(messageClient); verify(internalMessageQueue); verify(sessionManager); assertEquals(1, messageClientMap.keySet().size()); assertTrue(messageClientMap.get(fakeMachineId) != null ); TestUtil.setPrivateFieldValue("messageQueue", messageQueue, oldMessageQueue); }
Example 20
Source File: DelayedHashMap.java From jstarcraft-core with Apache License 2.0 | 4 votes |
@Override public void clear() { for (ConcurrentHashMap<K, V> segment : segments) { segment.clear(); } }