org.mmbase.bridge.implementation
Class BasicRelation

java.lang.Object
  |
  +--org.mmbase.bridge.implementation.BasicNode
        |
        +--org.mmbase.bridge.implementation.BasicRelation

All Implemented Interfaces:

java.lang.Comparable, Node, Relation, SizeMeasurable

public class BasicRelation

extends BasicNode

implements Relation

Version:

$Id: BasicRelation.java,v 1.25.2.5 2003/04/08 14:32:22 pierre Exp $

Author:

Rob Vermeulen, Pierre van Rooden

Field Summary

protected int	dnum
protected boolean	relationChanged
protected int	snum

Fields inherited from class org.mmbase.bridge.implementation.BasicNode

account, ACTION_COMMIT, ACTION_CREATE, ACTION_DELETE, ACTION_EDIT, cloud, isnew, mmb, nodeManager, noderef, temporaryNodeId

Method Summary

void	commit() Commit the node to the database.
Node	getDestination() Retrieves the destination of the relation
RelationManager	getRelationManager() Retrieves the RelationManager used
Node	getSource() Retrieves the source of the relation
protected void	init() Initializes the node.
void	setDestination(Node node) set the destination of the relation
void	setSource(Node node) set the source of the relation

Methods inherited from class org.mmbase.bridge.implementation.BasicNode

_setValue, cancel, compareTo, countRelatedNodes, countRelations, countRelations, createAlias, createRelation, delete, delete, deleteAlias, deleteRelations, deleteRelations, edit, equals, finalize, getAliases, getBooleanValue, getByteSize, getByteSize, getByteValue, getCloud, getContext, getDoubleValue, getFieldValue, getFieldValue, getFloatValue, getFunctionValue, getIntValue, getLongValue, getNode, getNodeManager, getNodeValue, getNumber, getPossibleContexts, getRelatedNodes, getRelatedNodes, getRelatedNodes, getRelatedNodes, getRelatedNodes, getRelations, getRelations, getRelations, getRelations, getStringValue, getValue, getXMLValue, getXMLValue, hashCode, hasRelations, invalidateNode, isNodeManager, isRelation, isRelationManager, mayChangeContext, mayDelete, mayLink, mayWrite, setBooleanValue, setByteValue, setContext, setDoubleValue, setFloatValue, setIntValue, setLongValue, setNode, setNodeValue, setStringValue, setValue, setXMLValue, toNodeManager, toRelation, toRelationManager, toString

Methods inherited from class java.lang.Object

clone, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.mmbase.bridge.Node

cancel, countRelatedNodes, countRelations, countRelations, createAlias, createRelation, delete, delete, deleteAlias, deleteRelations, deleteRelations, getAliases, getBooleanValue, getByteValue, getCloud, getContext, getDoubleValue, getFieldValue, getFieldValue, getFloatValue, getFunctionValue, getIntValue, getLongValue, getNodeManager, getNodeValue, getNumber, getPossibleContexts, getRelatedNodes, getRelatedNodes, getRelatedNodes, getRelatedNodes, getRelatedNodes, getRelations, getRelations, getRelations, getRelations, getStringValue, getValue, getXMLValue, getXMLValue, hasRelations, isNodeManager, isRelation, isRelationManager, mayChangeContext, mayDelete, mayLink, mayWrite, setBooleanValue, setByteValue, setContext, setDoubleValue, setFloatValue, setIntValue, setLongValue, setNodeValue, setStringValue, setValue, setXMLValue, toNodeManager, toRelation, toRelationManager, toString

Field Detail

snum

protected int snum

dnum

protected int dnum

relationChanged

protected boolean relationChanged

Method Detail

init

protected void init()

Initializes the node. Determines nodemanager and cloud (depending on information available), Sets references to MMBase modules and initializes state in case of a transaction.

Overrides:

init in class BasicNode

getSource

public Node getSource()

Description copied from interface: Relation

Retrieves the source of the relation

Specified by:

getSource in interface Relation

Following copied from interface: org.mmbase.bridge.Relation

Returns:

the source node

getDestination

public Node getDestination()

Description copied from interface: Relation

Retrieves the destination of the relation

Specified by:

getDestination in interface Relation

Following copied from interface: org.mmbase.bridge.Relation

Returns:

the destination node

setSource

public void setSource(Node node)

Description copied from interface: Relation

set the source of the relation

Specified by:

setSource in interface Relation

Following copied from interface: org.mmbase.bridge.Relation

Parameters:

the - source node

setDestination

public void setDestination(Node node)

Description copied from interface: Relation

set the destination of the relation

Specified by:

setDestination in interface Relation

Following copied from interface: org.mmbase.bridge.Relation

Parameters:

the - destination node

getRelationManager

public RelationManager getRelationManager()

Description copied from interface: Relation

Retrieves the RelationManager used

Specified by:

getRelationManager in interface Relation

Following copied from interface: org.mmbase.bridge.Relation

Returns:

the RelationManager

commit

public void commit()

Description copied from interface: Node

Commit the node to the database. Makes this node and/or the changes made to this node visible to the cloud. If this method is called for the first time on this node it will make this node visible to the cloud, otherwise the modifications made to this node using the set methods will be made visible to the cloud. This action fails if the current node is not in edit mode. If the node is in a transaction, nothing happens - actual committing occurs through the transaction.

Specified by:

commit in interface Node

Overrides:

commit in class BasicNode