org.eclipse.stardust.engine.api.query

Class ActivityInstanceFilter

java.lang.Object

org.eclipse.stardust.engine.api.query.ActivityInstanceFilter

All Implemented Interfaces:

Serializable, FilterCriterion

public class ActivityInstanceFilter
extends Object
implements FilterCriterion

Filter criterion for matching specific activity instances.

Version:

$Revision$

Author:

rsauer

See Also:

ActivityInstanceQuery.OID, Serialized Form

Constructor Summary

Constructors

Constructor and Description
ActivityInstanceFilter(long activityInstanceOID) Creates a filter matching the activity instance identified by activityInstanceOID.

Method Summary

Methods

Modifier and Type	Method and Description
Object	accept(FilterEvaluationVisitor visitor, Object context) Visitor dispatch callback used for evaluating filter criteria.
long	getOID() Returns the OID of the activity instance matched by the filter.

Methods inherited from class java.lang.Object

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

Constructor Detail

ActivityInstanceFilter

public ActivityInstanceFilter(long activityInstanceOID)

Creates a filter matching the activity instance identified by activityInstanceOID.

Parameters:

activityInstanceOID - The OID of the activity instance to be matched.

See Also:

ActivityInstanceQuery.OID

Method Detail

getOID

public long getOID()

Returns the OID of the activity instance matched by the filter.

Returns:

The OID of the activity instance to be matched.

accept

public Object accept(FilterEvaluationVisitor visitor,
            Object context)

Description copied from interface: FilterCriterion

Visitor dispatch callback used for evaluating filter criteria. Usually implemented as return visitor.visit(this, context), thus calling the appropriately overloaded visitation method.

Specified by:

accept in interface FilterCriterion

Parameters:

visitor - The visitor performing the evaluation.

context - Information used by the visitor during the visitation process.

Returns:

Visitor specific result of the visitation.