/**
 * This file is part of the CRISTAL-iSE kernel.
 * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * http://www.fsf.org/licensing/licenses/lgpl.html
 */
package com.c2kernel.collection;


import com.c2kernel.lookup.ItemPath;
import com.c2kernel.utils.CastorHashMap;
import com.c2kernel.utils.KeyValuePair;
import com.c2kernel.utils.Logger;

/*
Dependency Object
Objectified link representing dependency between items.
e.g.: Used for ProductDesc::Item-dependency-dependencymember-WfDesc::Item
*/

/**
 * @version $Revision: 1.15 $ $Date: 2005/04/07 08:03:21 $
 * @author  $Author: abranson $
 */
public class Dependency extends Collection<DependencyMember>
{

    protected CastorHashMap mProperties = new CastorHashMap();
    protected String mClassProps = "";

    public Dependency()
    {
    	setName("Dependency");
    }

    public Dependency(String name)
    {
    	setName(name);
    }

    public CastorHashMap getProperties() {
        return mProperties;
    }

    public void setProperties(CastorHashMap props) {
        mProperties = props;
    }

    public KeyValuePair[] getKeyValuePairs()
    {
        return mProperties.getKeyValuePairs();
    }
    public void setKeyValuePairs(KeyValuePair[] pairs)
    {
        mProperties.setKeyValuePairs(pairs);
    }

    public void setClassProps(String classProps) {
        this.mClassProps = classProps;
    }

    public String getClassProps() {
        return mClassProps;
    }

    @Override
	public DependencyMember addMember(ItemPath itemPath) throws MembershipException {
        // create member object
        DependencyMember depMember = new DependencyMember();
        depMember.setID(getCounter());
        depMember.setProperties((CastorHashMap)mProperties.clone());
        depMember.setClassProps(mClassProps);

        // assign entity
        depMember.assignItem(itemPath);
        mMembers.list.add(depMember);
        Logger.msg(8, "Dependency::addMember(" + itemPath + ") added to children.");
        return depMember;
    }

    @Override
	public DependencyMember addMember(ItemPath itemPath, CastorHashMap props, String classProps)
        throws MembershipException
    {
        if (classProps != null && !classProps.equals(mClassProps))
            throw new MembershipException("Cannot change classProps in dependency member");
        DependencyMember depMember = new DependencyMember();
        depMember.setID(getCounter());

        // merge props
        CastorHashMap newProps = new CastorHashMap();
        for (Object name : props.keySet()) {
            String key = (String)name;
            newProps.put(key, props.get(key));

        }
        // class props override local
        for (Object name : mProperties.keySet()) {
            String key = (String)name;
            newProps.put(key, mProperties.get(key));

        }
        depMember.setProperties(newProps);
        depMember.setClassProps(mClassProps);

        // assign entity
        depMember.assignItem(itemPath);
        mMembers.list.add(depMember);
        Logger.msg(8, "Dependency::addMember(" + itemPath + ") added to children.");
        return depMember;
    }

    @Override
	public void removeMember(int memberId) throws MembershipException {
        for (DependencyMember element : mMembers.list) {
            if (element.getID() == memberId) {
                mMembers.list.remove(element);
                return;
            }
        }
        throw new MembershipException("Member "+memberId+" not found");
    }

}