OnMessageImpl.java :  » IDE-Netbeans » bpel » org » netbeans » modules » bpel » model » impl » Java Open Source

/*
 * The contents of this file are subject to the terms of the Common Development
 * and Distribution License (the License). You may not use this file except in
 * compliance with the License.
 * 
 * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
 * or http://www.netbeans.org/cddl.txt.
 * 
 * When distributing Covered Code, include this CDDL Header Notice in each file
 * and include the License file at http://www.netbeans.org/cddl.txt.
 * If applicable, add the following below the CDDL Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 * 
 * The Original Software is NetBeans. The Initial Developer of the Original
 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

/**
 *
 */
package org.netbeans.modules.bpel.model.impl;

import java.util.concurrent.atomic.AtomicReference;

import org.netbeans.modules.bpel.model.api.BpelEntity;
import org.netbeans.modules.bpel.model.api.ExtendableActivity;
import org.netbeans.modules.bpel.model.api.OnMessage;
import org.netbeans.modules.bpel.model.api.VariableDeclaration;
import org.netbeans.modules.bpel.model.api.references.BpelReference;
import org.netbeans.modules.bpel.model.api.support.BpelModelVisitor;
import org.netbeans.modules.bpel.model.xam.AfterSources;
import org.netbeans.modules.bpel.model.xam.BpelAttributes;
import org.netbeans.modules.bpel.model.xam.BpelElements;
import org.netbeans.modules.xml.xam.Reference;
import org.netbeans.modules.xml.xam.dom.Attribute;
import org.w3c.dom.Element;


/**
 * @author ads
 *
 */
public class OnMessageImpl extends OnMessageCommonImpl 
    implements OnMessage, AfterSources 
{

    OnMessageImpl( BpelModelImpl model, Element e ) {
        super(model, e);
    }

    OnMessageImpl( BpelBuilderImpl builder ) {
        super(builder, BpelElements.ON_MESSAGE.getName() );
    }

    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.api.ActivityHolder#getActivity()
     */
    public ExtendableActivity getActivity() {
        return getChild(ExtendableActivity.class);
    }

    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.api.ActivityHolder#setActivity(org.netbeans.modules.soa.model.bpel20.api.ExtendableActivity)
     */
    public void setActivity( ExtendableActivity activity ) {
        setChild(activity, ExtendableActivity.class);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.netbeans.modules.soa.model.bpel20.api.ActivityHolder#removeActivity()
     */
    public void removeActivity() {
        removeChild(ExtendableActivity.class);
    }

    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.api.BpelEntity#getElementType()
     */
    public Class<? extends BpelEntity> getElementType() {
        return OnMessage.class;
    }
    
    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.api.VariableSpec#getVariable()
     */
    public BpelReference<VariableDeclaration> getVariable() {
        return getBpelReference( BpelAttributes.VARIABLE_REF , 
                VariableDeclaration.class);
    }

    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.api.VariableSpec#removeVariable()
     */
    public void removeVariable() {
        removeReference( BpelAttributes.VARIABLE_REF );
    }

    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.api.VariableSpec#setVariable(org.netbeans.modules.soa.model.bpel20.references.VariableReference)
     */
    public void setVariable( BpelReference<VariableDeclaration> value ) {
        setBpelReference( BpelAttributes.VARIABLE_REF ,value );
    }

    
    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.api.references.ReferenceCollection#getReferences()
     */
    public Reference[] getReferences(){
        Reference[] refs = super.getReferences();
        Reference[] ret = new Reference[ refs.length +1 ];
        System.arraycopy(  refs, 0 , ret ,1  , refs.length );
        ret[0] = getVariable();
        return ret;
    }

    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.impl.BpelEntityImpl#acceptThis(org.netbeans.modules.soa.model.bpel20.api.support.BpelModelVisitor)
     */
    public void accept( BpelModelVisitor visitor ) {
        visitor.visit( this );
    }
    
    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.impl.ActivityImpl#create(org.w3c.dom.Element)
     */
    @Override
    protected BpelEntity create( Element element ) {
        BpelEntity entity = Utils.createActivityGroup(getModel(), element);
        if ( entity == null ){
            return super.create(element);
        }
        return entity;
    }

    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.impl.BpelContainerImpl#getChildType(T)
     */
    @Override
    protected <T extends BpelEntity> Class<? extends BpelEntity> 
        getChildType( T entity )
    {
        if ( entity instanceof ExtendableActivity ){
            return ExtendableActivity.class;
        }
        return super.getChildType(entity);
    }
    
    /* (non-Javadoc)
     * @see org.netbeans.modules.bpel.model.impl.BpelContainerImpl#getMultiplicity(org.netbeans.modules.bpel.model.api.BpelEntity)
     */
    @Override
    protected Multiplicity getMultiplicity( BpelEntity entity )
    {
        if ( getChildType( entity).equals(ExtendableActivity.class ) ){
            return Multiplicity.SINGLE;
        }
        return super.getMultiplicity(entity);
    }
    
    /* (non-Javadoc)
     * @see org.netbeans.modules.soa.model.bpel20.impl.BpelEntityImpl#getDomainAttributes()
     */
    protected Attribute[] getDomainAttributes() {
        if ( myAttributes.get() == null ){
            Attribute[] attr = super.getDomainAttributes();
            Attribute[] ret = new Attribute[ attr.length + 1];
            System.arraycopy( attr , 0 , ret , 1 , attr.length );
            ret[ 0 ] = BpelAttributes.VARIABLE_REF;
            myAttributes.compareAndSet( null, ret );
        }
        return myAttributes.get();
    }
    
    private static AtomicReference<Attribute[]> myAttributes = 
        new AtomicReference<Attribute[]>();

}