minicp.state

Class CopyMap<K,V>

java.lang.Object

minicp.state.CopyMap<K,V>

All Implemented Interfaces:

StateMap<K,V>, Storage

public class CopyMap<K,V>
extends Object
implements Storage, StateMap<K,V>

Implementation of StateMap with copy strategy

See Also:

Copier, StateManager.makeStateMap()

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CopyMap()
protected	CopyMap(Map<K,V> m)

Method Summary

Modifier and Type	Method and Description
V	get(K k) Retrieves the value for a given key.
void	put(K k, V v) Inserts the key-value pair.
StateEntry	save()

Methods inherited from class java.lang.Object

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

Constructor Detail

CopyMap

protected CopyMap()

CopyMap

protected CopyMap(Map<K,V> m)

Method Detail

put

public void put(K k,
                V v)

Description copied from interface: StateMap

Inserts the key-value pair. It erases the existing ones if the map already contains an entry with the given key.

Specified by:

put in interface StateMap<K,V>

Parameters:

k - the key

v - the value

get

public V get(K k)

Description copied from interface: StateMap

Retrieves the value for a given key.

Specified by:

get in interface StateMap<K,V>

Parameters:

k - the key

Returns:

the value v if the entry (k,v) was previously put, null otherwise

save

public StateEntry save()

Specified by:

save in interface Storage