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com.tangosol.util
Class WrapperCollections.ConcurrentWrapperCollection

java.lang.Object
com.tangosol.util.WrapperCollections.ConcurrentWrapperCollection

All Implemented Interfaces:

java.lang.Iterable, java.util.Collection

Direct Known Subclasses:

WrapperCollections.ConcurrentWrapperSet

Enclosing class:

WrapperCollections

public static class WrapperCollections.ConcurrentWrapperCollection

extends java.lang.Object

implements java.util.Collection

Collection implementation which uses a ReadWriteLock to manage concurrent access to an underlying Collection.

Since:

Coherence 3.7

Field Summary

protected java.util.concurrent.locks.ReadWriteLock	m_lock The read/write lock for concurrency control.
protected java.util.concurrent.locks.Lock	m_lockExclusive The exclusive lock for performing read/write operations.
protected java.util.concurrent.locks.Lock	m_lockShared The shared lock for performing read operations.

Constructor Summary

	WrapperCollections.ConcurrentWrapperCollection(java.util.Collection col) Create an ConcurrentWrapperCollection which delegates to the specified Collection.
protected	WrapperCollections.ConcurrentWrapperCollection(java.util.Collection col, java.util.concurrent.locks.ReadWriteLock lock) Create an ConcurrentWrapperCollection which delegates to the specified Collection.

Method Summary

boolean	add(java.lang.Object o)
boolean	addAll(java.util.Collection c)
void	clear()
boolean	contains(java.lang.Object o)
boolean	containsAll(java.util.Collection c)
boolean	equals(java.lang.Object oOther)
protected java.util.Collection	getDelegate() Return the Collection to which all operations should be delegated to.
protected java.util.concurrent.locks.ReadWriteLock	getLock() Return the ReadWriteLock that is used to manage concurrent access and modifications to the underlying map.
int	hashCode()
boolean	isEmpty()
java.util.Iterator	iterator()
boolean	remove(java.lang.Object o)
boolean	removeAll(java.util.Collection c)
boolean	retainAll(java.util.Collection c)
int	size()
java.lang.Object[]	toArray()
java.lang.Object[]	toArray(java.lang.Object[] a)
java.lang.String	toString()

Field Detail

m_lock

protected final java.util.concurrent.locks.ReadWriteLock m_lock

The read/write lock for concurrency control.

m_lockShared

protected final java.util.concurrent.locks.Lock m_lockShared

The shared lock for performing read operations.

m_lockExclusive

protected final java.util.concurrent.locks.Lock m_lockExclusive

The exclusive lock for performing read/write operations.

Constructor Detail

WrapperCollections.ConcurrentWrapperCollection

public WrapperCollections.ConcurrentWrapperCollection(java.util.Collection col)

Create an ConcurrentWrapperCollection which delegates to the specified Collection.

Parameters:

col - the Collection to delegate all calls to

WrapperCollections.ConcurrentWrapperCollection

protected WrapperCollections.ConcurrentWrapperCollection(java.util.Collection col,
                                                         java.util.concurrent.locks.ReadWriteLock lock)

Create an ConcurrentWrapperCollection which delegates to the specified Collection.

Parameters:

col - the Collection to delegate all calls to

lock - a read/write lock for concurrency management

Method Detail

getDelegate

protected java.util.Collection getDelegate()

Return the Collection to which all operations should be delegated to.

Returns:

the wrapped Collection

getLock

protected java.util.concurrent.locks.ReadWriteLock getLock()

Return the ReadWriteLock that is used to manage concurrent access and modifications to the underlying map.

Returns:

the ReadWriteLock

size

public int size()

Specified by:

size in interface java.util.Collection

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection

iterator

public java.util.Iterator iterator()

Specified by:

iterator in interface java.lang.Iterable

Specified by:

iterator in interface java.util.Collection

toArray

public java.lang.Object[] toArray()

Specified by:

toArray in interface java.util.Collection

toArray

public java.lang.Object[] toArray(java.lang.Object[] a)

Specified by:

toArray in interface java.util.Collection

add

public boolean add(java.lang.Object o)

Specified by:

add in interface java.util.Collection

remove

public boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection

containsAll

public boolean containsAll(java.util.Collection c)

Specified by:

containsAll in interface java.util.Collection

addAll

public boolean addAll(java.util.Collection c)

Specified by:

addAll in interface java.util.Collection

retainAll

public boolean retainAll(java.util.Collection c)

Specified by:

retainAll in interface java.util.Collection

removeAll

public boolean removeAll(java.util.Collection c)

Specified by:

removeAll in interface java.util.Collection

clear

public void clear()

Specified by:

clear in interface java.util.Collection

equals

public boolean equals(java.lang.Object oOther)

Specified by:

equals in interface java.util.Collection

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Collection

toString

public java.lang.String toString()

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