/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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*/
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package org.opends.server.workflowelement;
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import java.util.Observable;
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/**
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* This class implements an observable workflow element state.
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* The observable workflow element state notifies observers when the
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* state of the workflow element has changed. Typically, observers are
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* notified when a workflow element is enabled or disabled.
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*/
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public class ObservableWorkflowElementState extends Observable
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{
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// The observed workflow element
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private final WorkflowElement<?> observedWorkflowElement;
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// The "enabled" state of the observed workflow element.
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// By default, a workflow element is enabled (otherwise this
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// instance of workflow element state would not exist).
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private boolean enabled = true;
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/**
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* Creates an instance of an observable object for a given workflow
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* element.
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*
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* @param observedWorkflowElement the workflow element to observe
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*/
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public ObservableWorkflowElementState(
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WorkflowElement<?> observedWorkflowElement)
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{
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this.observedWorkflowElement = observedWorkflowElement;
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}
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/**
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* Gets the observed workflow element.
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* @return the observed workflow element.
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*/
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public WorkflowElement<?> getObservedWorkflowElement()
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{
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return observedWorkflowElement;
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}
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/**
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* Allows the observed workflow element to indicate its new state
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* (enabled or disabled).
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*
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* @param enabled the new "enabled" state of the observed workflow element
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*/
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public void setWorkflowElementEnabled(
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boolean enabled)
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{
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if (this.enabled != enabled)
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{
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setChanged();
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this.enabled = enabled;
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}
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}
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/**
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* Indicates whether the observed workflow element is enabled or not.
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*
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* @return <code>true</code> if the observed workflow element is enabled.
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*/
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public boolean workflowElementIsEnabled()
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{
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return enabled;
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}
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}
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