com.objectwave.persist.collectionAdapters
Class VectorCollectionAdapter

java.lang.Object
  |
  +--com.objectwave.persist.collectionAdapters.VectorCollectionAdapter

All Implemented Interfaces:

CollectionAdapter, java.io.Serializable

public class VectorCollectionAdapter

extends java.lang.Object

implements CollectionAdapter

Collection Adapters were introduced to support multiple collection types within the JavaGrinder Framework.

Version:

$Id: VectorCollectionAdapter.java,v 2.0 2001/06/11 16:00:04 dave_hoag Exp $

Author:

dhoag

See Also:

Serialized Form

Constructor Summary

VectorCollectionAdapter()

Method Summary

void	addElement(java.lang.Object obj) Add the object to this collection.
java.lang.Object	firstElement()
java.lang.Object	getCollectionObject() Get the actual collection object.
CollectionAdapter	getNewInstance() Invoked when a new instance is needed.
void	preQuery(SQLQuery q) An entry point to tweak the query before issuing the find.
void	setDataObject(java.util.Vector v) Sets the DataObject attribute of the VectorCollectionAdapter object
int	size() The number of elements in the collection.

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorCollectionAdapter

public VectorCollectionAdapter()

Method Detail

setDataObject

public void setDataObject(java.util.Vector v)

Sets the DataObject attribute of the VectorCollectionAdapter object

Parameters:

v - The new DataObject value

getCollectionObject

public java.lang.Object getCollectionObject()

Get the actual collection object.

Specified by:

getCollectionObject in interface CollectionAdapter

Returns:

java.util.Vector

getNewInstance

public CollectionAdapter getNewInstance()

Description copied from interface: CollectionAdapter

Invoked when a new instance is needed. This could simply return 'this'. This is called when creating the SQLQuery that will realize a collection attribute. Normally, this method is not invoked, only when a CollectionAdapter is associated with an AttributeTypeColumn.

Specified by:

getNewInstance in interface CollectionAdapter

Returns:

The NewInstance value

firstElement

public java.lang.Object firstElement()

Specified by:

firstElement in interface CollectionAdapter

Returns:

preQuery

public void preQuery(SQLQuery q)

An entry point to tweak the query before issuing the find. This will be a noop for most CollectionAdapters.

Specified by:

preQuery in interface CollectionAdapter

Parameters:

q -

addElement

public void addElement(java.lang.Object obj)

Add the object to this collection.

Specified by:

addElement in interface CollectionAdapter

Parameters:

obj - The feature to be added to the Element attribute

size

public int size()

The number of elements in the collection.

Specified by:

size in interface CollectionAdapter

Returns: