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java.lang.Object java.util.AbstractCollection<E> java.util.AbstractSet<E> org.elasticsearch.common.collect.IdentityHashSet<E>
public class IdentityHashSet<E>
Constructor Summary | |
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IdentityHashSet()
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IdentityHashSet(Collection<? extends E> c)
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IdentityHashSet(int expectedSize)
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Method Summary | |
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boolean |
add(E e)
Adds the specified element to this set if it is not already present. |
void |
clear()
Removes all of the elements from this set. |
Object |
clone()
Returns a shallow copy of this HashSet instance: the elements themselves are not cloned. |
boolean |
contains(Object o)
Returns true if this set contains the specified element. |
boolean |
isEmpty()
Returns true if this set contains no elements. |
Iterator<E> |
iterator()
Returns an iterator over the elements in this set. |
boolean |
remove(Object o)
Removes the specified element from this set if it is present. |
int |
size()
Returns the number of elements in this set (its cardinality). |
Methods inherited from class java.util.AbstractSet |
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equals, hashCode, removeAll |
Methods inherited from class java.util.AbstractCollection |
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addAll, containsAll, retainAll, toArray, toArray, toString |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface java.util.Set |
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addAll, containsAll, equals, hashCode, removeAll, retainAll, toArray, toArray |
Constructor Detail |
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public IdentityHashSet()
public IdentityHashSet(Collection<? extends E> c)
public IdentityHashSet(int expectedSize)
Method Detail |
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public Iterator<E> iterator()
iterator
in interface Iterable<E>
iterator
in interface Collection<E>
iterator
in interface Set<E>
iterator
in class AbstractCollection<E>
ConcurrentModificationException
public int size()
size
in interface Collection<E>
size
in interface Set<E>
size
in class AbstractCollection<E>
public boolean isEmpty()
isEmpty
in interface Collection<E>
isEmpty
in interface Set<E>
isEmpty
in class AbstractCollection<E>
public boolean contains(Object o)
contains
in interface Collection<E>
contains
in interface Set<E>
contains
in class AbstractCollection<E>
o
- element whose presence in this set is to be tested
public boolean add(E e)
add
in interface Collection<E>
add
in interface Set<E>
add
in class AbstractCollection<E>
e
- element to be added to this set
public boolean remove(Object o)
remove
in interface Collection<E>
remove
in interface Set<E>
remove
in class AbstractCollection<E>
o
- object to be removed from this set, if present
public void clear()
clear
in interface Collection<E>
clear
in interface Set<E>
clear
in class AbstractCollection<E>
public Object clone()
clone
in class Object
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