org.apache.openjpa.lib.util
Class ReferenceHashMap
java.lang.Object
java.util.AbstractMap
org.apache.commons.collections.map.AbstractHashedMap
org.apache.commons.collections.map.AbstractReferenceMap
org.apache.commons.collections.map.ReferenceMap
org.apache.openjpa.lib.util.ReferenceHashMap
- All Implemented Interfaces:
- Serializable, Map, IterableMap, ReferenceMap, SizedMap
public class ReferenceHashMap
- extends ReferenceMap
- implements ReferenceMap, SizedMap
Map in which the key, value, or both may be weak/soft references.
- Since:
- 0.4.0
- Author:
- Abe White
- See Also:
- Serialized Form
Nested classes/interfaces inherited from interface java.util.Map |
Map.Entry<K,V> |
Nested classes/interfaces inherited from interface java.util.Map |
Map.Entry<K,V> |
Fields inherited from class org.apache.commons.collections.map.AbstractHashedMap |
data, DEFAULT_CAPACITY, DEFAULT_LOAD_FACTOR, DEFAULT_THRESHOLD, entrySet, GETKEY_INVALID, GETVALUE_INVALID, keySet, loadFactor, MAXIMUM_CAPACITY, modCount, NO_NEXT_ENTRY, NO_PREVIOUS_ENTRY, NULL, REMOVE_INVALID, SETVALUE_INVALID, size, threshold, values |
Methods inherited from class org.apache.commons.collections.map.AbstractReferenceMap |
clear, containsKey, containsValue, createEntrySetIterator, createKeySetIterator, createValuesIterator, entrySet, get, getEntry, hashEntry, init, isEmpty, isEqualKey, keySet, mapIterator, purge, purgeBeforeRead, purgeBeforeWrite, put, remove, size, values |
Methods inherited from class org.apache.commons.collections.map.AbstractHashedMap |
addEntry, calculateNewCapacity, calculateThreshold, checkCapacity, clone, convertKey, destroyEntry, ensureCapacity, entryHashCode, entryKey, entryNext, entryValue, equals, hash, hashCode, hashIndex, isEqualValue, putAll, removeEntry, removeMapping, reuseEntry, toString, updateEntry |
Methods inherited from interface java.util.Map |
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values |
Methods inherited from interface java.util.Map |
clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values |
ReferenceHashMap
public ReferenceHashMap(int keyType,
int valueType)
ReferenceHashMap
public ReferenceHashMap(int keyType,
int valueType,
int capacity,
float loadFactor)
getMaxSize
public int getMaxSize()
- Description copied from interface:
SizedMap
- The maximum number of entries, or Integer.MAX_VALUE for no limit.
- Specified by:
getMaxSize
in interface SizedMap
setMaxSize
public void setMaxSize(int maxSize)
- Description copied from interface:
SizedMap
- The maximum number of entries, or Integer.MAX_VALUE for no limit.
- Specified by:
setMaxSize
in interface SizedMap
isFull
public boolean isFull()
- Description copied from interface:
SizedMap
- Whether the map is full.
- Specified by:
isFull
in interface SizedMap
overflowRemoved
public void overflowRemoved(Object key,
Object value)
- Description copied from interface:
SizedMap
- Overridable callback for when an overflow entry is automatically removed.
- Specified by:
overflowRemoved
in interface SizedMap
valueExpired
public void valueExpired(Object key)
- Description copied from interface:
ReferenceMap
- Overridable callback for when a value reference expires.
- Specified by:
valueExpired
in interface ReferenceMap
- Parameters:
key
- the key for the expired value
keyExpired
public void keyExpired(Object value)
- Description copied from interface:
ReferenceMap
- Overridable callback for when a key reference expires.
- Specified by:
keyExpired
in interface ReferenceMap
- Parameters:
value
- the value for the expired key
removeExpired
public void removeExpired()
- Description copied from interface:
ReferenceMap
- Purge stale entries.
- Specified by:
removeExpired
in interface ReferenceMap
addMapping
protected void addMapping(int hashIndex,
int hashCode,
Object key,
Object value)
- Overrides:
addMapping
in class AbstractHashedMap
createEntry
protected AbstractHashedMap.HashEntry createEntry(AbstractHashedMap.HashEntry next,
int hashCode,
Object key,
Object value)
- Overrides:
createEntry
in class AbstractReferenceMap
purge
protected void purge(Reference ref)
- Overrides:
purge
in class AbstractReferenceMap
doWriteObject
protected void doWriteObject(ObjectOutputStream out)
throws IOException
- Overrides:
doWriteObject
in class AbstractReferenceMap
- Throws:
IOException
doReadObject
protected void doReadObject(ObjectInputStream in)
throws ClassNotFoundException,
IOException
- Overrides:
doReadObject
in class AbstractReferenceMap
- Throws:
ClassNotFoundException
IOException
Copyright © 2006-2010 Apache Software Foundation. All Rights Reserved.