本文整理了Java中java.util.IdentityHashMap.containsKey()方法的一些代码示例，展示了IdentityHashMap.containsKey()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。IdentityHashMap.containsKey()方法的具体详情如下：
包路径：java.util.IdentityHashMap
类名称：IdentityHashMap
方法名：containsKey

IdentityHashMap.containsKey介绍

[英]Tests whether the specified object reference is a key in this identity hash map.
[中]测试指定的对象引用是否是此标识哈希映射中的键。

代码示例

代码示例来源：origin: SonarSource/sonarqube

void match(RAW raw, BASE base) {
 if (!rawToBase.containsKey(raw)) {
  rawToBase.put(raw, base);
  baseToRaw.put(base, raw);
 }
}

代码示例来源：origin: apache/incubator-dubbo

private static JavaBeanDescriptor createDescriptorIfAbsent(Object obj, JavaBeanAccessor accessor, IdentityHashMap<Object, JavaBeanDescriptor> cache) {
  if (cache.containsKey(obj)) {
    return cache.get(obj);
  } else if (obj instanceof JavaBeanDescriptor) {
    return (JavaBeanDescriptor) obj;
  } else {
    JavaBeanDescriptor result = createDescriptorForSerialize(obj.getClass());
    cache.put(obj, result);
    serializeInternal(result, obj, accessor, cache);
    return result;
  }
}

代码示例来源：origin: apache/incubator-dubbo

private static JavaBeanDescriptor createDescriptorIfAbsent(Object obj, JavaBeanAccessor accessor, IdentityHashMap<Object, JavaBeanDescriptor> cache) {
  if (cache.containsKey(obj)) {
    return cache.get(obj);
  } else if (obj instanceof JavaBeanDescriptor) {
    return (JavaBeanDescriptor) obj;
  } else {
    JavaBeanDescriptor result = createDescriptorForSerialize(obj.getClass());
    cache.put(obj, result);
    serializeInternal(result, obj, accessor, cache);
    return result;
  }
}

代码示例来源：origin: protostuff/protostuff

/**
 * If you are sure that you are only using a single implementation of your interface/abstract class, then it
 * makes sense to map it directly to its impl class to avoid writing the type.
 * <p>
 * Note that the type is always written when your field is {@link java.lang.Object}.
 * <p>
 * Pojo ids start at 1.
 */
@Override
public <T> Registry mapPojo(Class<? super T> baseClass, Class<T> implClass)
{
  if (strategy.pojoMapping.containsKey(baseClass))
    throw new IllegalArgumentException("Duplicate registration for: " + baseClass);
  BaseHS<?> wrapper = strategy.pojoMapping.get(implClass);
  if (wrapper == null)
    throw new IllegalArgumentException("Must register the impl class first. " + implClass);
  strategy.pojoMapping.put(baseClass, wrapper);
  return this;
}

代码示例来源：origin: org.apache.lucene/lucene-core

/**
 * Prunes the blockedQueue by removing all DWPT that are associated with the given flush queue. 
 */
private void pruneBlockedQueue(final DocumentsWriterDeleteQueue flushingQueue) {
 Iterator<BlockedFlush> iterator = blockedFlushes.iterator();
 while (iterator.hasNext()) {
  BlockedFlush blockedFlush = iterator.next();
  if (blockedFlush.dwpt.deleteQueue == flushingQueue) {
   iterator.remove();
   assert !flushingWriters.containsKey(blockedFlush.dwpt) : "DWPT is already flushing";
   // Record the flushing DWPT to reduce flushBytes in doAfterFlush
   flushingWriters.put(blockedFlush.dwpt, Long.valueOf(blockedFlush.bytes));
   // don't decr pending here - it's already done when DWPT is blocked
   flushQueue.add(blockedFlush.dwpt);
  }
 }
}

代码示例来源：origin: protostuff/protostuff

/**
 * Pojo ids start at 1.
 */
@Override
public <T> Registry registerPojo(Class<T> clazz, int id)
{
  if (clazz.isInterface() || Modifier.isAbstract(clazz.getModifiers()))
    throw new IllegalArgumentException("Not a concrete class: " + clazz);
  if (id < 1)
    throw new IllegalArgumentException("pojo ids start at 1.");
  if (id >= strategy.pojos.size())
    grow(strategy.pojos, id + 1);
  else if (strategy.pojos.get(id) != null)
  {
    throw new IllegalArgumentException("Duplicate id registration: " + id +
        " (" + clazz.getName() + ")");
  }
  if (strategy.pojoMapping.containsKey(clazz))
    throw new IllegalArgumentException("Duplicate registration for: " + clazz);
  BaseHS<T> wrapper = new Lazy<T>(id, clazz, strategy);
  strategy.pojos.set(id, wrapper);
  strategy.pojoMapping.put(clazz, wrapper);
  return this;
}

代码示例来源：origin: apache/hive

private static void throwRangesError(DiskRangeList ranges, long offset, long end) {
 seen.put(ranges, true);
 StringBuilder errors = new StringBuilder();
 while (ranges.prev != null) {
  if (seen.containsKey(ranges.prev)) {
   errors.append("loop: [").append(ranges).append(
     "].prev = [").append(ranges.prev).append("]; ");
  seen.put(ranges, true);
 seen.put(ranges, true);
 StringBuilder sb = new StringBuilder("Incorrect ranges detected while looking for ");
 if (offset == end) {
     "].next.prev = [").append(ranges.next.prev).append("]; ");
  if (seen.containsKey(ranges.next)) {
   errors.append("loop: [").append(ranges).append(
     "].next = [").append(ranges.next).append("]; ");

代码示例来源：origin: apache/drill

private static void throwRangesError(DiskRangeList ranges, long offset, long end) {
 seen.put(ranges, true);
 StringBuilder errors = new StringBuilder();
 while (ranges.prev != null) {
  if (seen.containsKey(ranges.prev)) {
   errors.append("loop: [").append(ranges).append(
     "].prev = [").append(ranges.prev).append("]; ");
  seen.put(ranges, true);
 seen.put(ranges, true);
 StringBuilder sb = new StringBuilder("Incorrect ranges detected while looking for ");
 if (offset == end) {
     "].next.prev = [").append(ranges.next.prev).append("]; ");
  if (seen.containsKey(ranges.next)) {
   errors.append("loop: [").append(ranges).append(
     "].next = [").append(ranges.next).append("]; ");

代码示例来源：origin: apache/hive

@Override
public TezSessionState reopen(TezSessionState session) throws Exception {
 WmTezSession wmTezSession = ensureOwnedSession(session);
 HiveConf sessionConf = wmTezSession.getConf();
 if (sessionConf == null) {
  // TODO: can this ever happen?
  LOG.warn("Session configuration is null for " + wmTezSession);
  sessionConf = new HiveConf(conf, WorkloadManager.class);
 }
 SettableFuture<WmTezSession> future = SettableFuture.create();
 currentLock.lock();
 try {
  if (current.toReopen.containsKey(wmTezSession)) {
   throw new AssertionError("The session is being reopened more than once " + session);
  }
  current.toReopen.put(wmTezSession, future);
  notifyWmThreadUnderLock();
 } finally {
  currentLock.unlock();
 }
 return future.get();
}

代码示例来源：origin: apache/incubator-dubbo

private static Object instantiateForDeserialize(JavaBeanDescriptor beanDescriptor, ClassLoader loader, IdentityHashMap<JavaBeanDescriptor, Object> cache) {
  if (cache.containsKey(beanDescriptor)) {
    return cache.get(beanDescriptor);
    cache.put(beanDescriptor, result);
  } else {
    try {
      Class<?> cl = name2Class(loader, beanDescriptor.getClassName());
      result = instantiate(cl);
      cache.put(beanDescriptor, result);
    } catch (ClassNotFoundException e) {
      throw new RuntimeException(e.getMessage(), e);

代码示例来源：origin: apache/incubator-dubbo

private static Object instantiateForDeserialize(JavaBeanDescriptor beanDescriptor, ClassLoader loader, IdentityHashMap<JavaBeanDescriptor, Object> cache) {
  if (cache.containsKey(beanDescriptor)) {
    return cache.get(beanDescriptor);
    cache.put(beanDescriptor, result);
  } else {
    try {
      Class<?> cl = name2Class(loader, beanDescriptor.getClassName());
      result = instantiate(cl);
      cache.put(beanDescriptor, result);
    } catch (ClassNotFoundException e) {
      throw new RuntimeException(e.getMessage(), e);

代码示例来源：origin: protostuff/protostuff

/**
 * Pojo ids start at 1.
 */
@Override
public <T> Registry registerPojo(Schema<T> schema, Pipe.Schema<T> pipeSchema,
    int id)
{
  if (id >= strategy.pojos.size())
    grow(strategy.pojos, id + 1);
  else if (strategy.pojos.get(id) != null)
  {
    throw new IllegalArgumentException("Duplicate id registration: " + id +
        " (" + schema.typeClass().getName() + ")");
  }
  if (strategy.pojoMapping.containsKey(schema.typeClass()))
    throw new IllegalArgumentException("Duplicate registration for: " + schema.typeClass());
  Registered<T> wrapper = new Registered<T>(id, schema, pipeSchema, strategy);
  strategy.pojos.set(id, wrapper);
  strategy.pojoMapping.put(schema.typeClass(), wrapper);
  return this;
}

代码示例来源：origin: oldmanpushcart/greys-anatomy

long result = getShallowSize(target);
final IdentityHashMap<Object, Void> references = new IdentityHashMap<Object, Void>();
references.put(target, null);
final ArrayDeque<Object> unprocessed = new ArrayDeque<Object>();
unprocessed.addFirst(target);
        continue;
      if (references.containsKey(elem)) {
        continue;
      references.put(elem, null);
      result += getShallowSize(elem);
          continue;
        if (references.containsKey(value)) {
          continue;
        references.put(value, null);
        result += getShallowSize(value);
      } catch (IllegalArgumentException e) {

代码示例来源：origin: apache/kylin

/**
 * replace filter on timestamp column to null, so that two tuple filter trees can
 * be compared regardless of the filter condition on timestamp column (In top level where conditions concatenated by ANDs)
 * @param filter
 * @return
 */
@Override
public TupleFilter onSerialize(TupleFilter filter) {
  if (filter == null)
    return null;
  //we just need reference equal
  if (root == filter) {
    isInTopLevelANDs.put(filter, true);
  }
  if (isInTopLevelANDs.containsKey(filter)) {
    classifyChildrenByMarking(filter);
    if (filter instanceof CompareTupleFilter) {
      TblColRef c = ((CompareTupleFilter) filter).getColumn();
      if (c != null && c.equals(tsColumn)) {
        return null;
      }
    }
  }
  return filter;
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

if( clone != null || index.containsKey(object) ) {
  if( log.isLoggable(Level.FINER) ) {
    log.finer("cloned:" + object.getClass() + "@" + System.identityHashCode(object)
  index.put(object, result);
  index.put(object, clone);
  index.put(object, clone);
} else {
  throw new IllegalArgumentException("Object is not cloneable, type:" + type);

代码示例来源：origin: org.jsoup/jsoup

/**
 * Find elements matching selector.
 *
 * @param query CSS selector
 * @param roots root elements to descend into
 * @return matching elements, empty if none
 */
public static Elements select(String query, Iterable<Element> roots) {
  Validate.notEmpty(query);
  Validate.notNull(roots);
  Evaluator evaluator = QueryParser.parse(query);
  ArrayList<Element> elements = new ArrayList<>();
  IdentityHashMap<Element, Boolean> seenElements = new IdentityHashMap<>();
  // dedupe elements by identity, not equality
  for (Element root : roots) {
    final Elements found = select(evaluator, root);
    for (Element el : found) {
      if (!seenElements.containsKey(el)) {
        elements.add(el);
        seenElements.put(el, Boolean.TRUE);
      }
    }
  }
  return new Elements(elements);
}

代码示例来源：origin: stanfordnlp/CoreNLP

if (fileLocks.containsKey(f)) {
 FileSemaphore sem = fileLocks.get(f);
 if (sem.isActive()) {
fileLocks.put(f, sem);

代码示例来源：origin: com.google.inject/guice

if (initializablesCache.containsKey(instance)) {
 @SuppressWarnings("unchecked") // Map from T to InjectableReference<T>
 Initializable<T> cached = (Initializable<T>) initializablesCache.get(instance);
    source,
    cycleDetectingLockFactory.create(instance.getClass()));
initializablesCache.put(instance, injectableReference);
pendingInjections.add(injectableReference);
return injectableReference;

代码示例来源：origin: org.codehaus.groovy/groovy

public void visitInstanceofNot(BinaryExpression be) {
  final BlockStatement currentBlock = typeCheckingContext.enclosingBlocks.getFirst();
  assert currentBlock != null;
  if (typeCheckingContext.blockStatements2Types.containsKey(currentBlock)) {
    // another instanceOf_not was before, no need store vars
  } else {
    // saving type of variables to restoring them after returning from block
    Map<VariableExpression, List<ClassNode>> oldTracker = pushAssignmentTracking();
    getTypeCheckingContext().pushTemporaryTypeInfo();
    typeCheckingContext.blockStatements2Types.put(currentBlock, oldTracker);
  }
  pushInstanceOfTypeInfo(be.getLeftExpression(), be.getRightExpression());
}

代码示例来源：origin: apache/avro

if (seenObjects.containsKey(datum)) {
  buffer.append(TOSTRING_CIRCULAR_REFERENCE_ERROR_TEXT);
  return;
 seenObjects.put(datum, datum);
 buffer.append("{");
 int count = 0;
 seenObjects.remove(datum);
} else if (isArray(datum)) {
 if (seenObjects.containsKey(datum)) {
  buffer.append(TOSTRING_CIRCULAR_REFERENCE_ERROR_TEXT);
  return;
 seenObjects.remove(datum);
} else if (isMap(datum)) {
 if (seenObjects.containsKey(datum)) {
  buffer.append(TOSTRING_CIRCULAR_REFERENCE_ERROR_TEXT);
  return;
 buffer.append("\"");
} else if (datum instanceof GenericData) {
 if (seenObjects.containsKey(datum)) {
  buffer.append(TOSTRING_CIRCULAR_REFERENCE_ERROR_TEXT);
  return;