edu.mit.sketch.ddg
Class PropertyConstraint

java.lang.Object
  edu.mit.sketch.ddg.Constraint
      edu.mit.sketch.ddg.PropertyConstraint

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

AspectRatioConstraint, OrientationConstraint

public abstract class PropertyConstraint
extends Constraint
implements java.io.Serializable

This class represents properties of lines, ellipses, and groups. All edge in the constraint graph are self-loops. The class is abstaract. The subclasses should implement different types of property constraints.

PropertyConstraint.java Created: Fri Oct 25 17:00:00 2002

Author:

Olya Veselova

See Also:

Serialized Form

Constructor Summary

PropertyConstraint()

Method Summary

abstract java.lang.Object	clone() Clone the constraint
abstract java.lang.String	name() Name of the constraint type.
abstract boolean	orientationInvariant() Returns true if the constraint is orinetation invariant

Methods inherited from class edu.mit.sketch.ddg.Constraint

constraintGraph, labelledEdgeList, mergeIn, print, removeLowConfidence, removeLowRelevance, renamePrimitives, sameAs, setConstraintGraph, subgraph

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyConstraint

public PropertyConstraint()

Method Detail

name

public abstract java.lang.String name()

Name of the constraint type. Should be a unique identifier of a constraint.

Specified by:

name in class Constraint

clone

public abstract java.lang.Object clone()

Clone the constraint

Specified by:

clone in class Constraint

orientationInvariant

public abstract boolean orientationInvariant()

Returns true if the constraint is orinetation invariant

Specified by:

orientationInvariant in class Constraint