i3.dragos.gm.core.schema.id
Class RelationClassID

java.lang.Object
  i3.dragos.gm.core.schema.id.GraphEntityClassID
      i3.dragos.gm.core.schema.id.RelationClassID

All Implemented Interfaces:

java.io.Serializable

public class RelationClassID
extends GraphEntityClassID

A RelationClassID identifies a relation class in the Schema.

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

RelationClassID(DataSourceURL dataSourceURL, java.io.Serializable internalIdentifier, java.lang.String name)
Creates a new RelationClassID.

Method Summary

RelationClass	getRelationClass() Returns the relation class referenced by this ID.
boolean	isSubclassID() Returns true if this is an ID of a subclass (edge, node...), false if this is an ID of a GraphEntityClass itself.

Methods inherited from class i3.dragos.gm.core.schema.id.GraphEntityClassID

equals, getDataSourceURL, getGraphEntityClass, getInternalIdentifier, getName, hashCode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

RelationClassID

public RelationClassID(DataSourceURL dataSourceURL,
                       java.io.Serializable internalIdentifier,
                       java.lang.String name)

Creates a new RelationClassID.

Parameters:

dataSourceURL - The dataSourceURL of the GraphPool.

internalIdentifier - The internal id of this class.

name - The name of this class.

Method Detail

getRelationClass

public RelationClass getRelationClass()
                               throws DragosException

Returns the relation class referenced by this ID.

Returns:

the relation class referenced by this ID.

Throws:

DragosException - in case of internal errors.

isSubclassID

public final boolean isSubclassID()

Returns true if this is an ID of a subclass (edge, node...), false if this is an ID of a GraphEntityClass itself.

Overrides:

isSubclassID in class GraphEntityClassID

Returns:

true if this is an ID of a subclass (edge, node...), false if this is an ID of a GraphEntityClass itself.