WrapperCollections.ConcurrentWrapperCollection (Oracle® Coherence Java API Reference)

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 and 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 and 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

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and 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

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 Iterable<E>
    
    Specified by:
    
    iterator in interface Collection<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

Class WrapperCollections.ConcurrentWrapperCollection<E>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.Collection

Methods inherited from interface java.lang.Iterable

Field Detail

m_colDelegate

m_lock

m_lockShared

m_lockExclusive

Constructor Detail

ConcurrentWrapperCollection

ConcurrentWrapperCollection

Method Detail

getDelegate

getLock

size

isEmpty

contains

iterator

toArray

toArray

add

remove

containsAll

addAll

retainAll

removeAll

clear

equals

hashCode

toString