i3.dragos.gm.core.schema
Interface RelationEndClass

All Superinterfaces:

ExistenceCheckable, GraphEntityClass, MetaAttributable

All Known Implementing Classes:

RelationEndClassProxy

public interface RelationEndClass
extends GraphEntityClass

Schema class for relation ends.

Author:

Boris Boehlen <boehlen@cs.rwth-aachen.de>

See Also:

Core Graph Model, Implementation Issues

Method Summary

Cardinality	getCardinality() Returns the cardinality of the relation end for the targeted graph element.
RelationEndDirection	getDirection() Returns the direction of the relation end.
RelationClass	getRelationClass() Returns the relation class this relation end class belongs to.
GraphEntityClass	getTargetClass() Returns the class that is allowed as the target of the relation end.

Methods inherited from interface i3.dragos.gm.core.schema.GraphEntityClass

addSubClass, declareAttribute, equals, getAllDeclaredAttributes, getAllSubClasses, getAllSuperClasses, getAttribute, getDataSourceURL, getDeclaredAttributes, getDirectSubClasses, getDirectSuperClasses, getInternalIdentifier, getName, getWrappedGraphEntityClass, hasAttribute, hashCode, isAbstract, isSubClassOf, isSuperClassOf, removeSubClass, undeclareAllAttributes, undeclareAttribute, undeclareAttribute

Methods inherited from interface i3.dragos.gm.core.schema.MetaAttributable

getAllMetaAttributes, getMetaAttribute, isMetaAttributeKeyReserved, isMetaAttributeSet, setMetaAttribute, unsetMetaAttribute

Methods inherited from interface i3.dragos.gm.core.schema.ExistenceCheckable

checkExistence, checkExistenceOptional

Method Detail

getTargetClass

GraphEntityClass getTargetClass()
                                throws DragosException

Returns the class that is allowed as the target of the relation end.

Returns:

the class that is allowed as the target of the relation end.

Throws:

DragosException - if something went wrong.

getCardinality

Cardinality getCardinality()
                           throws DragosException

Returns the cardinality of the relation end for the targeted graph element.

Returns:

the cardinality of the relation end for the targeted graph element.

Throws:

DragosException - if something went wrong.

getDirection

RelationEndDirection getDirection()
                                  throws DragosException

Returns the direction of the relation end.

Returns:

the direction of the relation end.

Throws:

DragosException - if something went wrong.

getRelationClass

RelationClass getRelationClass()
                               throws DragosException

Returns the relation class this relation end class belongs to.

Returns:

the relation class this relation end class belongs to.

Throws:

DragosException - if something went wrong.