java.util.TreeSet.comparator()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中java.util.TreeSet.comparator()方法的一些代码示例,展示了TreeSet.comparator()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。TreeSet.comparator()方法的具体详情如下:
包路径:java.util.TreeSet
类名称:TreeSet
方法名:comparator

TreeSet.comparator介绍

[英]Returns the comparator used to compare elements in this TreeSet.
[中]返回用于比较此树集中元素的比较器。

代码示例

代码示例来源:origin: goldmansachs/gs-collections

public Comparator<? super T> comparator()
{
  return this.treeSet.comparator();
}

代码示例来源:origin: eclipse/eclipse-collections

@Override
public Comparator<? super T> comparator()
{
  return this.treeSet.comparator();
}

代码示例来源:origin: eclipse/eclipse-collections

@Override
public Comparator<? super T> comparator()
{
  return this.treeSet.comparator();
}

代码示例来源:origin: goldmansachs/gs-collections

public TreeSortedSet<T> newEmpty()
{
  return TreeSortedSet.newSet(this.treeSet.comparator());
}

代码示例来源:origin: eclipse/eclipse-collections

@Override
public TreeSortedSet<T> newEmpty()
{
  return TreeSortedSet.newSet(this.treeSet.comparator());
}

代码示例来源:origin: eclipse/eclipse-collections

@Override
public TreeSortedSet<T> newEmpty()
{
  return TreeSortedSet.newSet(this.treeSet.comparator());
}

代码示例来源:origin: apache/ignite

/**
 * Attempts to create a new set of the same type as {@code set} has. Otherwise returns new {@code HashSet}
 * instance.
 *
 * @param set Original set.
 * @return New set.
 */
public static <V> Set<V> newSet(Set<V> set) {
  if (set instanceof LinkedHashSet)
    return U.newLinkedHashSet(set.size());
  else if (set instanceof TreeSet)
    return new TreeSet<>(((TreeSet<Object>)set).comparator());
  else if (set instanceof ConcurrentSkipListSet)
    return new ConcurrentSkipListSet<>(((ConcurrentSkipListSet<Object>)set).comparator());
  return U.newHashSet(set.size());
}

代码示例来源:origin: stanfordnlp/CoreNLP

/**
  * @return true if element was successfully added, false otherwise
  * */
 @Override
 public boolean add(E e) {
  if (remainingCapacity == 0 && size() == 0) {
   return false;
  } else if (remainingCapacity > 0) {
   // still has room, add element 
   boolean added = super.add(e);
   if (added) {
     remainingCapacity--;
   }
   return added;
  } else {
   // compare new element with least element in queue
   int compared = super.comparator().compare(e, this.first());
   if (compared == 1) {
    // new element is larger, replace old element 
    pollFirst();
    super.add(e);
    return true;
   } else {
    // new element is smaller, discard
    return false;
   }
  }
 }
}

代码示例来源:origin: apache/ignite

/**
 * Attempts to create a new collection of the same known type. Will return null if collection type is unknown.
 *
 * @param col Collection.
 * @return New empty collection.
 */
public static <V> Collection<V> newKnownCollection(Object col) {
  Class<?> cls = col == null ? null : col.getClass();
  if (cls == HashSet.class)
    return U.newHashSet(((Collection)col).size());
  else if (cls == LinkedHashSet.class)
    return U.newLinkedHashSet(((Collection)col).size());
  else if (!wrapTrees() && cls == TreeSet.class)
    return new TreeSet<>(((TreeSet<Object>)col).comparator());
  else if (cls == ConcurrentSkipListSet.class)
    return new ConcurrentSkipListSet<>(((ConcurrentSkipListSet<Object>)col).comparator());
  else if (cls == ArrayList.class)
    return new ArrayList<>(((Collection)col).size());
  else if (cls == LinkedList.class)
    return new LinkedList<>();
  else if (cls == SINGLETON_LIST_CLS)
    return new MutableSingletonList<>();
  return null;
}

代码示例来源:origin: apache/ignite

/** {@inheritDoc} */
@Override public void writeBinary(BinaryWriter writer) throws BinaryObjectException {
  BinaryRawWriter rawWriter = writer.rawWriter();
  rawWriter.writeObject(set.comparator());
  int size = set.size();
  rawWriter.writeInt(size);
  for (Object val : set)
    rawWriter.writeObject(val);
}

代码示例来源:origin: apache/geode

writeObject(set.comparator(), out);
for (Object e : set) {
 writeObject(e, out);

代码示例来源:origin: apache/geode

/**
 * Tests data serializing an {@link TreeSet}
 */
@Test
public void testTreeSetWithComparator() throws Exception {
 Random random = getRandom();
 int size = random.nextInt(50);
 TreeSet set = new TreeSet(new MyComparator(size));
 for (int i = 0; i < size; i++) {
  set.add(new Long(random.nextLong()));
 }
 DataOutputStream out = getDataOutput();
 DataSerializer.writeTreeSet(new TreeSet(new MyComparator(0)), out);
 DataSerializer.writeTreeSet(set, out);
 out.flush();
 DataInput in = getDataInput();
 TreeSet emptySet = DataSerializer.readTreeSet(in);
 assertEquals(new TreeSet(new MyComparator(0)), emptySet);
 assertEquals(new MyComparator(0), emptySet.comparator());
 TreeSet set2 = DataSerializer.readTreeSet(in);
 assertEquals(set, set2);
 assertEquals(set.comparator(), set2.comparator());
}

代码示例来源:origin: apache/ignite

/**
 * Check {@code TreeSet} data structure.
 *
 * @param useBinary Whether to go through binary mode.
 * @param useComparator Whether comparator should be used.
 * @throws Exception If failed.
 */
@SuppressWarnings("unchecked")
private void checkTreeSetAsValue(boolean useBinary, boolean useComparator) throws Exception {
  // Populate set.
  TreeSet<TestKey> set;
  set = testSet(useComparator);
  // Put and get value from cache.
  cache().put(KEY, set);
  TreeSet<TestKey> resSet;
  if (useBinary) {
    BinaryObject resMapBinary = (BinaryObject)cache().withKeepBinary().get(KEY);
    resSet = resMapBinary.deserialize();
  }
  else
    resSet = (TreeSet<TestKey>)cache().get(KEY);
  // Ensure content is correct.
  if (useComparator)
    assert resSet.comparator() instanceof TestKeyComparator;
  else
    assertNull(resSet.comparator());
  assertEquals(set, resSet);
  cache().clear();
}

代码示例来源:origin: apache/ignite

assert resSet.comparator() instanceof TestKeyComparator;
else
  assertNull(resSet.comparator());

代码示例来源:origin: com.google.gwt/gwt-servlet

public static void serialize(SerializationStreamWriter streamWriter,
  TreeSet instance) throws SerializationException {
 streamWriter.writeObject(instance.comparator());
 Collection_CustomFieldSerializerBase.serialize(streamWriter, instance);
}

代码示例来源:origin: jpox/jpox

/**
 * Accessor for the comparator.
 * @return The comparator
 */
public Comparator comparator()
{
  return delegate.comparator();
}

代码示例来源:origin: org.eclipse.rdf4j/rdf4j-client

public void reindex() {
  TreeSet<Statement> treeSet = new TreeSet<Statement>(tree.comparator());
  treeSet.addAll(tree);
  tree = treeSet;
}

代码示例来源:origin: com.esotericsoftware/kryo

public void write (Kryo kryo, Output output, Collection collection) {
  TreeSet treeSet = (TreeSet)collection;
  kryo.writeClassAndObject(output, treeSet.comparator());
  super.write(kryo, output, collection);
}

代码示例来源:origin: com.esotericsoftware.kryo/kryo

public void write (Kryo kryo, Output output, Collection collection) {
  TreeSet treeSet = (TreeSet)collection;
  kryo.writeClassAndObject(output, treeSet.comparator());
  super.write(kryo, output, collection);
}

代码示例来源:origin: net.wetheinter/gwt-user

public static void serialize(SerializationStreamWriter streamWriter,
  TreeSet instance) throws SerializationException {
 streamWriter.writeObject(instance.comparator());
 Collection_CustomFieldSerializerBase.serialize(streamWriter, instance);
}

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