net.walend.lyophil.memory
Class TransientSingleValueIndex
java.lang.Object
|
+--net.walend.lyophil.memory.TransientSingleValueIndex
- All Implemented Interfaces:
- SingleValueIndex
- public class TransientSingleValueIndex
- extends java.lang.Object
- implements SingleValueIndex
This class implements SingleValueIndex using a pair of Maps.
- Since:
- 20010109
- Author:
- David Walend
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
keysToIDs
private MutableMap keysToIDs
idsToKeys
private MutableMap idsToKeys
TransientSingleValueIndex
public TransientSingleValueIndex()
createKeysToIDs
protected MutableMap createKeysToIDs()
createIDsToKeys
protected MutableMap createIDsToKeys()
size
public int size()
- Returns the number of elements in this collection. If this collection contains more than
Integer.MAX_VALUE elements, returns Integer.MAX_VALUE.
- Specified by:
size
in interface SingleValueIndex
isEmpty
public boolean isEmpty()
- Returns true if this collection contains no elements.
- Specified by:
isEmpty
in interface SingleValueIndex
containsKey
public boolean containsKey(java.lang.Object key)
- Specified by:
containsKey
in interface SingleValueIndex
containsIdentifier
public boolean containsIdentifier(java.io.Serializable id)
- Specified by:
containsIdentifier
in interface SingleValueIndex
containsPair
public boolean containsPair(java.lang.Object key,
java.io.Serializable id)
get
public java.io.Serializable get(java.lang.Object key)
- Specified by:
get
in interface SingleValueIndex
put
public void put(java.lang.Object key,
java.io.Serializable id)
throws KeyDuplicatedException
- Puts the key id pair into the index. if the id is already in the index (if the key is not in use (remove the old key and
put the pair in the index) else (if the key and id are already in the index (do nothing) else (throw a
KeyDuplicatedException))) else (if the key is not in use (put the pair in the index) else throw a KeyDuplicatedException)
- Specified by:
put
in interface SingleValueIndex
remove
public void remove(java.io.Serializable id)
- Specified by:
remove
in interface SingleValueIndex
clear
public void clear()
- Specified by:
clear
in interface SingleValueIndex
getKeys
public Set getKeys()
- Specified by:
getKeys
in interface SingleValueIndex
keyIterator
public java.util.Iterator keyIterator()
- Specified by:
keyIterator
in interface SingleValueIndex
Copyright (c) 2000, 2001, David Walend