org.exolab.core.database.recman
Class PMDCollectionManager

java.lang.Object
  org.exolab.core.database.recman.PMDCollectionManager

All Implemented Interfaces:

CollectionManagerIfc

public class PMDCollectionManager

extends java.lang.Object

implements CollectionManagerIfc

This is an implementation of the collection manager specific to the page managed database. These are collections that are persistent capable.

The PMDCollectionManager is a singleton classes and is accessible through PMDCollectionManager.instance

Version:

$Revision: 1.3 $ $Date: 2003/06/09 06:28:39 $

Author:

Jim Alateras

See Also:

CollectionManagerIfc

Method Summary

HashMapIfc	createHashMap() Create a hashmap with default capacity and return a reference to the client.
TreeMapIfc	createTreeMap() Create a treemap with default capacity and return a reference to the client.
TreeMapIfc	createTreeMap(java.util.Comparator comparator) Create a treemap with the specified comparator and return a reference client.
TreeSetIfc	createTreeSet() Create a treeset with default capacity and return a reference to the client.
TreeSetIfc	createTreeSet(java.util.Comparator comparator) Create a treeset with the specified comparator and return a reference client.
VectorIfc	createVector() Create a vector with default capacity and return a reference to the to the client.
static PMDCollectionManager	instance() Return the singleton reference to the collection manager.

Methods inherited from class java.lang.Object

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

Method Detail

instance

public static PMDCollectionManager instance()

Return the singleton reference to the collection manager. If one does not exist, create it before returning it.

Returns:

PMDCollectionManager

createVector

public VectorIfc createVector()
                       throws FailedToCreateCollectionException

Description copied from interface: CollectionManagerIfc

Create a vector with default capacity and return a reference to the to the client. If the vector cannot be created then throw FailedToCreate- CollectionException exception.

Specified by:

createVector in interface CollectionManagerIfc

Returns:

VectorIfc returned object

Throws:

FailedToCreateCollectionException

createHashMap

public HashMapIfc createHashMap()
                         throws FailedToCreateCollectionException

Description copied from interface: CollectionManagerIfc

Create a hashmap with default capacity and return a reference to the client. If the hahsmap cannot be created then throw FailedToCreate- CollectionException exception.

Specified by:

createHashMap in interface CollectionManagerIfc

Returns:

HashMapIfc returned object

Throws:

FailedToCreateCollectionException

createTreeMap

public TreeMapIfc createTreeMap()
                         throws FailedToCreateCollectionException

Description copied from interface: CollectionManagerIfc

Create a treemap with default capacity and return a reference to the client. If the treemap cannot be created then throw FailedToCreate- CollectionException exception

Specified by:

createTreeMap in interface CollectionManagerIfc

Returns:

TreeMapIfc returned object

Throws:

FailedToCreateCollectionException

createTreeMap

public TreeMapIfc createTreeMap(java.util.Comparator comparator)
                         throws FailedToCreateCollectionException

Description copied from interface: CollectionManagerIfc

Create a treemap with the specified comparator and return a reference client. If the treemap cannot be created then throw FailedToCreate- CollectionException exception

Specified by:

createTreeMap in interface CollectionManagerIfc

Parameters:

comparator - specified comparator

Returns:

TreeMapIfc returned object

Throws:

FailedToCreateCollectionException

createTreeSet

public TreeSetIfc createTreeSet()
                         throws FailedToCreateCollectionException

Description copied from interface: CollectionManagerIfc

Create a treeset with default capacity and return a reference to the client. If the treeset cannot be created then throw FailedToCreate- CollectionException exception

Specified by:

createTreeSet in interface CollectionManagerIfc

Returns:

TreeSetIfc returned object

Throws:

FailedToCreateCollectionException

createTreeSet

public TreeSetIfc createTreeSet(java.util.Comparator comparator)
                         throws FailedToCreateCollectionException

Description copied from interface: CollectionManagerIfc

Create a treeset with the specified comparator and return a reference client. If the treeset cannot be created then throw FailedToCreate- CollectionException exception

Specified by:

createTreeSet in interface CollectionManagerIfc

Parameters:

comparator - specified comparator

Returns:

TreeSetIfc returned object

Throws:

FailedToCreateCollectionException