org.datamanager.constraint
Class BaseExistsConstraint

java.lang.Object
  |
  +--org.datamanager.kernel.AbstractEntityConstraint
        |
        +--org.datamanager.constraint.BaseExistsConstraint

All Implemented Interfaces:

Constraint, EntityConstraint, EntityValue, Serializable

public class BaseExistsConstraint

extends AbstractEntityConstraint

Filter out Entities that have a base which satisifies a given EntityConstraint.

Author:

Benjamin Keil

See Also:

Serialized Form

Field Summary

Fields inherited from class org.datamanager.kernel.AbstractEntityConstraint

DEBUG_ACCEPTS_MESSAGE

Fields inherited from interface org.datamanager.constraint.EntityConstraint

NONE

Constructor Summary

BaseExistsConstraint(EntityConstraint baseConstraint)
Create a new BaseExistsConstraint to match all Entities that have a base matching the given EntityConstraint.

Method Summary

protected boolean

describes(Entity defendant) Check to see if the given Entity has a base that satisfies the constraint given in the constructor of this constraint.

Methods inherited from class org.datamanager.kernel.AbstractEntityConstraint

accepts

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseExistsConstraint

public BaseExistsConstraint(EntityConstraint baseConstraint)

Create a new BaseExistsConstraint to match all Entities that have a base matching the given EntityConstraint.

Parameters:

baseConstraint - Constraint to use to match bases.

Method Detail

describes

protected boolean describes(Entity defendant)
                     throws DataManagerException

Check to see if the given Entity has a base that satisfies the constraint given in the constructor of this constraint.

Specified by:

describes in class AbstractEntityConstraint

Parameters:

defendant - An Entity to check.

Returns:

Whether the Entity has a base that satisfies the constraint given in the constructor of this constriant.

DataManagerException