Package com.tangosol.util

Class WrapperCollections.ConcurrentWrapperCollection<E>

java.lang.Object

com.tangosol.util.WrapperCollections.ConcurrentWrapperCollection<E>

All Implemented Interfaces:

Iterable<E>, Collection<E>

Direct Known Subclasses:

WrapperCollections.ConcurrentWrapperSet

Enclosing class:

WrapperCollections

public static class WrapperCollections.ConcurrentWrapperCollection<E>
extends Object
implements Collection<E>

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

Since:

Coherence 3.7

Field Summary

Fields

Modifier and Type	Field	Description
protected Collection<E>	m_colDelegate	The Collection to which this wrapper delegates.
protected ReadWriteLock	m_lock	The read/write lock for concurrency control.
protected Lock	m_lockExclusive	The exclusive lock for performing read/write operations.
protected Lock	m_lockShared	The shared lock for performing read operations.

Constructor Summary

Constructors

Modifier	Constructor	Description
	ConcurrentWrapperCollection(Collection<E> col)	Create an ConcurrentWrapperCollection which delegates to the specified Collection.
protected	ConcurrentWrapperCollection(Collection<E> col, ReadWriteLock lock)	Create an ConcurrentWrapperCollection which delegates to the specified Collection.

Method Summary

Modifier and Type	Method	Description
boolean	add(E o)
boolean	addAll(Collection<? extends E> c)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
boolean	equals(Object oOther)
protected Collection<E>	getDelegate()	Return the Collection to which all operations should be delegated to.
protected ReadWriteLock	getLock()	Return the ReadWriteLock that is used to manage concurrent access and modifications to the underlying map.
int	hashCode()
boolean	isEmpty()
Iterator<E>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<T> T[]	toArray(T[] a)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, removeIf, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

m_colDelegate

protected final Collection<E> m_colDelegate

The Collection to which this wrapper delegates.

m_lock

protected final ReadWriteLock m_lock

The read/write lock for concurrency control.

m_lockShared

protected final Lock m_lockShared

The shared lock for performing read operations.

m_lockExclusive

protected final Lock m_lockExclusive

The exclusive lock for performing read/write operations.

Constructor Detail

ConcurrentWrapperCollection

public ConcurrentWrapperCollection(Collection<E> col)

Create an ConcurrentWrapperCollection which delegates to the specified Collection.

Parameters:

col - the Collection to delegate all calls to

ConcurrentWrapperCollection

protected ConcurrentWrapperCollection(Collection<E> col,
                                      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 Collection<E> getDelegate()

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

Returns:

the wrapped Collection

getLock

protected 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 Collection<E>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<E>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<E>

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface Iterable<E>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<E>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<E>

add

public boolean add(E o)

Specified by:

add in interface Collection<E>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<E>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<E>

addAll

public boolean addAll(Collection<? extends E> c)

Specified by:

addAll in interface Collection<E>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<E>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<E>

clear

public void clear()

Specified by:

clear in interface Collection<E>

equals

public boolean equals(Object oOther)

Specified by:

equals in interface Collection<E>

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<E>

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object