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/*
 * Copyright (c) 2009, Paul Merlin. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.codeartisans.java.sos.wizard.presenters;

import org.codeartisans.java.sos.wizard.model.WizardModel;

import org.jgrapht.graph.DefaultEdge;

/**
 * @author Paul Merlin
 */
class TransitionEdge
        extends DefaultEdge
{

    private static final long serialVersionUID = 1L;
    private PageVertex previous;
    private PageVertex next;
    private Boolean enabled;

    public TransitionEdge()
    {
        enabled = false;
    }

    public TransitionEdge( PageVertex previous, PageVertex next, Boolean enabled )
    {
        this.previous = previous;
        this.next = next;
        this.enabled = enabled;
    }

    public PageVertex previous()
    {
        return previous;
    }

    public PageVertex next()
    {
        return next;
    }

    public Boolean isEnabled()
    {
        return enabled;
    }

    public void setEnabled( Boolean enabled )
    {
        this.enabled = enabled;
    }

    @Override
    public String toString()
    {
        return new StringBuilder( "( " ).append( enabled ? "ENABLED " : "DISABLED " ).
                append( previous ).append( " : " ).append( next ).append( " )" ).toString();
    }

}