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Oracle® Coherence Java API Reference Release 12.1.2.0.3 E26043-02 |
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java.lang.Object
java.util.AbstractCollection
java.util.AbstractSet
com.tangosol.net.cache.ReadWriteBackingMap.KeySet
protected class ReadWriteBackingMap.KeySet
A set of entries backed by this backing map.
Constructor Summary | |
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protected |
ReadWriteBackingMap.KeySet() |
Method Summary | |
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void |
clear() Removes all of the elements from this set of Keys by clearing the underlying Map. |
boolean |
contains(java.lang.Object oKey) Determine if a particular key is present in the Set. |
java.util.Iterator |
iterator() Returns an iterator over the elements contained in this collection. |
boolean |
remove(java.lang.Object o) Removes the specified element from this Set of keys if it is present by removing the associated entry from the underlying Map. |
int |
size() Determine the number of keys in the Set. |
java.lang.Object[] |
toArray() Returns an array containing all of the keys in this set. |
java.lang.Object[] |
toArray(java.lang.Object[] ao) Returns an array with a runtime type is that of the specified array and that contains all of the keys in this Set. |
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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add, addAll, containsAll, isEmpty, retainAll, toString |
Methods inherited from interface java.util.Set |
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add, addAll, containsAll, isEmpty, retainAll |
Constructor Detail |
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protected ReadWriteBackingMap.KeySet()
Method Detail |
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public java.util.Iterator iterator()
iterator
in interface java.lang.Iterable
iterator
in interface java.util.Collection
iterator
in interface java.util.Set
iterator
in class java.util.AbstractCollection
public int size()
size
in interface java.util.Collection
size
in interface java.util.Set
size
in class java.util.AbstractCollection
public boolean contains(java.lang.Object oKey)
contains
in interface java.util.Collection
contains
in interface java.util.Set
contains
in class java.util.AbstractCollection
public boolean remove(java.lang.Object o)
remove
in interface java.util.Collection
remove
in interface java.util.Set
remove
in class java.util.AbstractCollection
o
- object to be removed from this set, if presentpublic void clear()
clear
in interface java.util.Collection
clear
in interface java.util.Set
clear
in class java.util.AbstractCollection
public java.lang.Object[] toArray()
toArray
in interface java.util.Collection
toArray
in interface java.util.Set
toArray
in class java.util.AbstractCollection
public java.lang.Object[] toArray(java.lang.Object[] ao)
If the Set fits in the specified array with room to spare (i.e., the array has more elements than the Set), the element in the array immediately following the end of the Set is set to null. This is useful in determining the length of the Set only if the caller knows that the Set does not contain any null keys.)
toArray
in interface java.util.Collection
toArray
in interface java.util.Set
toArray
in class java.util.AbstractCollection
ao
- the array into which the elements of the Set are to be stored, if it is big enough; otherwise, a new array of the same runtime type is allocated for this purposejava.lang.ArrayStoreException
- if the runtime type of the specified array is not a supertype of the runtime type of every element in this Set of keys
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Oracle® Coherence Java API Reference Release 12.1.2.0.3 E26043-02 |
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