iglu.util
Class RAMObjectPager

java.lang.Object
  |
  +--iglu.util.RAMObjectPager

All Implemented Interfaces:

ObjectPager

public class RAMObjectPager

extends java.lang.Object

implements ObjectPager

A simple implementation of ObjectPager which does no paging. It keeps all objects in RAM. This is useful as a default ObjectPager because it requires no special startup parameters.

Author:

Travis Bauer

See Also:

ObjectPager

Field Summary

java.util.HashMap	map
(package private) int	nextId

Constructor Summary

RAMObjectPager()
Create a new RAMObjectPager

Method Summary

void	delete(java.lang.Object id) remove object associated with id from the repository
java.util.Iterator	iterator() iterate over the ids in the pager
java.lang.Object	retrieve(java.lang.Object id) Retrieve and object based on it's id
java.lang.Object	store(java.lang.Object o) Store an object, and get back an id for the object
void	update(java.lang.Object o, java.lang.Object id) Associate object o with id

Methods inherited from class java.lang.Object

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

Field Detail

map

public java.util.HashMap map

nextId

int nextId

Constructor Detail

RAMObjectPager

public RAMObjectPager()

Create a new RAMObjectPager

Method Detail

store

public java.lang.Object store(java.lang.Object o)

Description copied from interface: ObjectPager

Store an object, and get back an id for the object

Specified by:

store in interface ObjectPager

retrieve

public java.lang.Object retrieve(java.lang.Object id)

Description copied from interface: ObjectPager

Retrieve and object based on it's id

Specified by:

retrieve in interface ObjectPager

update

public void update(java.lang.Object o,
                   java.lang.Object id)

Description copied from interface: ObjectPager

Associate object o with id

Specified by:

update in interface ObjectPager

delete

public void delete(java.lang.Object id)

Description copied from interface: ObjectPager

remove object associated with id from the repository

Specified by:

delete in interface ObjectPager

iterator

public java.util.Iterator iterator()

Description copied from interface: ObjectPager

iterate over the ids in the pager

Specified by:

iterator in interface ObjectPager