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Java Source Code / Java Documentation » Database JDBC Connection Pool » c3p0 » com.mchange.v2.util

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

com.mchange.v2.util .DoubleWeakHashMap

DoubleWeakHashMap

public class DoubleWeakHashMap implements Map(Code)

This class is not Thread safe. Use in single threaded contexts, or contexts where single threaded-access can be guaranteed, or wrap with Collections.synchronizedMap().

This class does not accept null keys or values.

Inner Class :final static class CheckKeyHolder

Inner Class :final static class WKey extends WeakReference

Inner Class :final static class WVal extends WeakReference

Inner Class :class UserEntry extends AbstractMapEntry

Inner Class :class UserKeySet implements Set

Inner Class :class ValuesCollection implements Collection

Field Summary
CheckKeyHolder	holder
HashMap	inner
ReferenceQueue	keyQ
Set	userKeySet
ReferenceQueue	valQ
Collection	valuesCollection

Constructor Summary
public	DoubleWeakHashMap()
public	DoubleWeakHashMap(int initialCapacity)
public	DoubleWeakHashMap(int initialCapacity, float loadFactor)
public	DoubleWeakHashMap(Map m)

Method Summary
public void	cleanCleared()
public void	clear()
public boolean	containsKey(Object key)
public boolean	containsValue(Object val)
public Set	entrySet()
public Object	get(Object key)
public boolean	isEmpty()
public Set	keySet()
public Object	put(Object key, Object val)
public void	putAll(Map m)
public Object	remove(Object key)
public int	size()
public Collection	values()

Field Detail

holder
CheckKeyHolder holder(Code)

inner
HashMap inner(Code)

keyQ
ReferenceQueue keyQ(Code)

userKeySet
Set userKeySet(Code)

valQ
ReferenceQueue valQ(Code)

valuesCollection
Collection valuesCollection(Code)

Constructor Detail

DoubleWeakHashMap
public DoubleWeakHashMap()(Code)

DoubleWeakHashMap
public DoubleWeakHashMap(int initialCapacity)(Code)

DoubleWeakHashMap
public DoubleWeakHashMap(int initialCapacity, float loadFactor)(Code)

DoubleWeakHashMap
public DoubleWeakHashMap(Map m)(Code)

Method Detail

cleanCleared
public void cleanCleared()(Code)

clear
public void clear()(Code)

containsKey
public boolean containsKey(Object key)(Code)

containsValue
public boolean containsValue(Object val)(Code)

entrySet
public Set entrySet()(Code)

get
public Object get(Object key)(Code)

isEmpty
public boolean isEmpty()(Code)

keySet
public Set keySet()(Code)

put
public Object put(Object key, Object val)(Code)

putAll
public void putAll(Map m)(Code)

remove
public Object remove(Object key)(Code)

size
public int size()(Code)

values
public Collection values()(Code)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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