Package org.idempiere.cache

Class POCopyCache<K,V extends PO>

java.lang.Object

org.compiere.util.CCache<K,V>

org.idempiere.cache.POCopyCache<K,V>

All Implemented Interfaces:

Serializable, Map<K,V>, CacheInterface

Direct Known Subclasses:

IntPOCopyCache

public class POCopyCache<K,V extends PO>
extends CCache<K,V>

Thread safe PO cache using copy on read and copy on write strategy.

Author:

hengsin

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Field Summary

Fields inherited from class org.compiere.util.CCache

cache, DEFAULT_EXPIRE_MINUTE, nullList

Constructor Summary

Constructors

Constructor	Description
POCopyCache(String name, int initialCapacity)
POCopyCache(String name, int initialCapacity, int expireMinutes)
POCopyCache(String name, int initialCapacity, int expireMinutes, boolean distributed)
POCopyCache(String name, int initialCapacity, int expireMinutes, boolean distributed, int maxSize)
POCopyCache(String tableName, String name, int initialCapacity)
POCopyCache(String tableName, String name, int initialCapacity, boolean distributed)
POCopyCache(String tableName, String name, int initialCapacity, int expireMinutes, boolean distributed)
POCopyCache(String tableName, String name, int initialCapacity, int expireMinutes, boolean distributed, int maxSize)

Method Summary

Modifier and Type	Method	Description
V	get(Object key)
V	get(Properties ctx, K key)
V	get(Properties ctx, K key, String trxName)
V	get(K key, UnaryOperator<V> copyOperator)	Get PO from cache.
V	put(K key, V value)	Put value
V	put(K key, V po, UnaryOperator<V> copyOperator)	A copy of the PO will be created and add to cache using copyOperator or through copy constructor (through reflection) if copyOperator parameter is null (exception is throw if both copyOperator and copy constructor is not available).

Methods inherited from class org.compiere.util.CCache

addVetoableChangeListener, clear, containsKey, containsValue, entrySet, getExpireMinutes, getHit, getMaxSize, getMiss, getName, getTableName, isDistributed, isEmpty, isExpire, isReset, keySet, newRecord, putAll, remove, removeVetoableChangeListener, reset, reset, setExpireMinutes, setUsed, size, sizeNoExpire, toString, values

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Detail

POCopyCache

public POCopyCache(String name,
                   int initialCapacity,
                   int expireMinutes,
                   boolean distributed,
                   int maxSize)

Parameters:

name -

initialCapacity -

expireMinutes -

distributed -

maxSize -

POCopyCache

public POCopyCache(String name,
                   int initialCapacity,
                   int expireMinutes,
                   boolean distributed)

Parameters:

name -

initialCapacity -

expireMinutes -

distributed -

POCopyCache

public POCopyCache(String name,
                   int initialCapacity,
                   int expireMinutes)

Parameters:

name -

initialCapacity -

expireMinutes -

POCopyCache

public POCopyCache(String name,
                   int initialCapacity)

Parameters:

name -

initialCapacity -

POCopyCache

public POCopyCache(String tableName,
                   String name,
                   int initialCapacity,
                   boolean distributed)

Parameters:

tableName -

name -

initialCapacity -

distributed -

POCopyCache

public POCopyCache(String tableName,
                   String name,
                   int initialCapacity,
                   int expireMinutes,
                   boolean distributed,
                   int maxSize)

Parameters:

tableName -

name -

initialCapacity -

expireMinutes -

distributed -

maxSize -

POCopyCache

public POCopyCache(String tableName,
                   String name,
                   int initialCapacity,
                   int expireMinutes,
                   boolean distributed)

Parameters:

tableName -

name -

initialCapacity -

expireMinutes -

distributed -

POCopyCache

public POCopyCache(String tableName,
                   String name,
                   int initialCapacity)

Parameters:

tableName -

name -

initialCapacity -

Method Detail

put

public V put(K key,
             V value)

Description copied from class: CCache

Put value

Specified by:

put in interface Map<K,V extends PO>

Overrides:

put in class CCache<K,V extends PO>

Parameters:

key - key

value - value

Returns:

previous value

put

public V put(K key,
             V po,
             UnaryOperator<V> copyOperator)

A copy of the PO will be created and add to cache using copyOperator or through copy constructor (through reflection) if copyOperator parameter is null (exception is throw if both copyOperator and copy constructor is not available).

Parameters:

key -

po -

copyOperator - operator to call copy constructor

Returns:

PO added to cache

get

public V get(Object key)

Specified by:

get in interface Map<K,V extends PO>

Overrides:

get in class CCache<K,V extends PO>

See Also:

Map.get(java.lang.Object)

get

public V get(Properties ctx,
             K key)

Parameters:

ctx - context

key -

Returns:

value for key

get

public V get(Properties ctx,
             K key,
             String trxName)

Parameters:

ctx - context

key -

trxName -

Returns:

value for key

get

public V get(K key,
             UnaryOperator<V> copyOperator)

Get PO from cache. A copy of the cached PO is return

Parameters:

key -

copyOperator - operator to call copy constructor

Returns:

PO from cache (if there's match for key)