ecologylab.generic
Class HashMapWriteSynch2Args<K,V,A>

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap<K,V>
          ecologylab.generic.HashMapWriteSynchBase<K,V>
              ecologylab.generic.HashMapWriteSynch2Args<K,V,A>

Type Parameters:

K -

V -

A - 2nd argument to value constructor

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<K,V>

public class HashMapWriteSynch2Args<K,V,A>
extends HashMapWriteSynchBase<K,V>

Hashed data structure with synchronized writes/deletes and unsynchronized reads. Constructor takes 2 args. First one is the key.

Author:

andruid, robinson

See Also:

Serialized Form

Constructor Summary

HashMapWriteSynch2Args()

HashMapWriteSynch2Args(int arg0)

HashMapWriteSynch2Args(int arg0, float arg1)

HashMapWriteSynch2Args(java.util.Map arg0)

Method Summary

V	getOrCreateAndPutIfNew(K key, A arg, ValueFactory2<K,V,A> factory) If there is already an entry, return it.

Methods inherited from class ecologylab.generic.HashMapWriteSynchBase

getOrPutIfNew, putAll, remove

Methods inherited from class java.util.HashMap

clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, put, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

HashMapWriteSynch2Args

public HashMapWriteSynch2Args(int arg0,
                              float arg1)

Parameters:

arg0 -

arg1 -

HashMapWriteSynch2Args

public HashMapWriteSynch2Args(int arg0)

Parameters:

arg0 -

HashMapWriteSynch2Args

public HashMapWriteSynch2Args()

HashMapWriteSynch2Args

public HashMapWriteSynch2Args(java.util.Map arg0)

Parameters:

arg0 -

Method Detail

getOrCreateAndPutIfNew

public V getOrCreateAndPutIfNew(K key,
                                A arg,
                                ValueFactory2<K,V,A> factory)

If there is already an entry, return it. Otherwise, create an entry with the factory.

Returns:

The entry matching key, found or constructed.