i3.dragos.gm.core.id
Class RelationID

java.lang.Object
  i3.dragos.gm.core.id.GraphEntityID
      i3.dragos.gm.core.id.RelationID

All Implemented Interfaces:

java.io.Serializable

public class RelationID
extends GraphEntityID

A RelationID is used to uniquely identify a relation.

Author:

Boris Boehlen <boehlen@cs.rwth-aachen.de>, Thorsten Hermes <thermes@i3.informatik.rwth-aachen.de>

See Also:

Core Graph Model , Implementation Issues , Serialized Form

Constructor Summary

RelationID(DataSourceURL dataSourceURL, java.io.Serializable internalIdentifier, RelationClassID type)
Constructs a new ID representing a relation.

Method Summary

Relation	getRelation() Returns the relation referenced by this ID.
RelationClassID	getRelationClassID() Returns the relation's type.

Methods inherited from class i3.dragos.gm.core.id.GraphEntityID

equals, getDataSourceURL, getGraphEntity, getGraphEntityClassID, getInternalIdentifier, hashCode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

RelationID

public RelationID(DataSourceURL dataSourceURL,
                  java.io.Serializable internalIdentifier,
                  RelationClassID type)

Constructs a new ID representing a relation.

Parameters:

dataSourceURL - The DataSourceURL where this relation is stored.

internalIdentifier - ID of the relation.

type - Relation's type.

Method Detail

getRelation

public Relation getRelation()
                     throws DragosException

Returns the relation referenced by this ID.

Returns:

The relation referenced by this ID.

Throws:

DragosException - in case of internal errors.

getRelationClassID

public RelationClassID getRelationClassID()

Returns the relation's type.

Returns:

the relation's type.