/**
 * Copyright (c) 2009
 * Philipp Giese, Sven Wagner-Boysen
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package de.hpi.bpmn2_0.model.connector;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import javax.xml.bind.annotation.XmlType;

import de.hpi.bpmn2_0.transformation.Visitor;


/**
 * <p>Java class for tAssociation complex type.
 * 
 * <p>The following schema fragment specifies the expected content contained within this class.
 * 
 * <pre>
 * <complexType name="tAssociation">
 *   <complexContent>
 *     <extension base="{http://www.omg.org/bpmn20}tArtifact">
 *       <attribute name="sourceRef" use="required" type="{http://www.w3.org/2001/XMLSchema}QName" />
 *       <attribute name="targetRef" use="required" type="{http://www.w3.org/2001/XMLSchema}QName" />
 *       <attribute name="associationDirection" type="{http://www.omg.org/bpmn20}tAssociationDirection" default="none" />
 *     </extension>
 *   </complexContent>
 * </complexType>
 * </pre>
 * 
 * 
 */
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "tAssociation")
public class Association
    extends Edge
{
    @XmlAttribute
    protected AssociationDirection associationDirection;
    
    @XmlTransient
    public boolean _containedInProcess;
    
    public Association() {
    	super();
    }
    
    public Association(DataAssociation dataAssociation) {
    	super(dataAssociation);
    	
    	/*
    	 * Determine association direction
    	 */
    	if(dataAssociation instanceof DataInputAssociation || dataAssociation instanceof DataOutputAssociation) {
    		this.setAssociationDirection(AssociationDirection.ONE);
    	}
    }
    
	public void acceptVisitor(Visitor v){
		v.visitAssociation(this);
	}
    
	
	/* Getter & Setter */
	
    /**
     * Gets the value of the associationDirection property.
     * 
     * @return
     *     possible object is
     *     {@link AssociationDirection }
     *     
     */
    public AssociationDirection getAssociationDirection() {
        if (associationDirection == null) {
            return AssociationDirection.NONE;
        } else {
            return associationDirection;
        }
    }

    /**
     * Sets the value of the associationDirection property.
     * 
     * @param value
     *     allowed object is
     *     {@link AssociationDirection }
     *     
     */
    public void setAssociationDirection(AssociationDirection value) {
        this.associationDirection = value;
    }

}