/*
 * NOTE: This copyright does *not* cover user programs that use HQ
 * program services by normal system calls through the application
 * program interfaces provided as part of the Hyperic Plug-in Development
 * Kit or the Hyperic Client Development Kit - this is merely considered
 * normal use of the program, and does *not* fall under the heading of
 * "derived work".
 *
 * Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
 * This file is part of HQ.
 *
 * HQ is free software; you can redistribute it and/or modify
 * it under the terms version 2 of the GNU General Public License as
 * published by the Free Software Foundation. This program is distributed
 * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA.
 */

package org.hyperic.hq.appdef.server.session;

import org.hyperic.hq.appdef.shared.AppdefEntityID;
import org.hyperic.hq.zevents.Zevent;
import org.hyperic.hq.zevents.ZeventPayload;
import org.hyperic.hq.zevents.ZeventSourceId;

/**
 * Abstract class for appdef resource events.
 */
public abstract class ResourceZevent extends Zevent {

    public ResourceZevent(Integer subject, AppdefEntityID id) {
        super(new ResourceZeventSource(id),
              new ResourceZeventPayload(subject, id));
    }

    public ResourceZevent(Integer subject, AppdefEntityID id, int resourceID) {
        super(new ResourceZeventSource(id, resourceID), new ResourceZeventPayload(subject, id, resourceID));
    }

    public ResourceZevent(ResourceZeventSource source,
                          ResourceZeventPayload payload) {
        super(source, payload);
    }

    public AppdefEntityID getAppdefEntityID() {
        return ((ResourceZeventPayload)getPayload()).
            getAppdefEntityID();
    }

    public Integer getAuthzSubjectId() {
        return ((ResourceZeventPayload)getPayload()).
            getAuthzSubjectId();
    }

    public Integer getResourceId() {
        return ((ResourceZeventPayload) getPayload()).getResourceId();
    }

    protected static class ResourceZeventSource
        implements ZeventSourceId
    {
        private static final long serialVersionUID = -2799620967593343325L;
        
        private final AppdefEntityID _id;
        private Integer _resourceId;

        public ResourceZeventSource(AppdefEntityID id) {
            this(id, null);
        }

        public ResourceZeventSource(AppdefEntityID id, Integer resourceId) {
            _id = id;
            _resourceId = resourceId;
        }

        @Override
        public int hashCode() {
            return _id.hashCode();
        }

        @Override
        public boolean equals(Object other) {
            if (other == this) {
                return true;
            }
            
            if (other instanceof ResourceZeventSource) {
                ResourceZeventSource src = (ResourceZeventSource)other;
                return _id.equals(src._id);                
            }
            
            return false;
        }

        public Integer getResourceId() {
            return _resourceId;
        }

        public void setResourceId(Integer _resourceId) {
            this._resourceId = _resourceId;
        }
        
        @Override
        public String toString() {
            StringBuilder sb = new StringBuilder();
            sb.append("(ResourceZeventSource: ")
                .append("appdef id = ").append(this._id)
                .append(", resource id = ").append(this._resourceId)
                .append(")");
            return sb.toString();
        }
    }

    protected static class ResourceZeventPayload
        implements ZeventPayload
    {
        private final AppdefEntityID _id;
        private final Integer _subject;
        private Integer _resourceId;

        public ResourceZeventPayload(Integer subject, AppdefEntityID id) {
            this(subject, id, null);
        }

        public ResourceZeventPayload(Integer subject, AppdefEntityID id, Integer resourceId) {
            _subject = subject;
            _id = id;
            _resourceId = resourceId;
        }

        public Integer getAuthzSubjectId() {
            return _subject;
        }

        public AppdefEntityID getAppdefEntityID() {
            return _id;
        }

        public Integer getResourceId() {
            return _resourceId;
        }

        public void setResourceId(Integer _resourceId) {
            this._resourceId = _resourceId;
        }
        
        @Override
        public String toString() {
            StringBuilder sb = new StringBuilder();
            sb.append("(ResourceZeventPayload: ")
                .append("appdef id = ").append(this._id)
                .append(", subject id = ").append(this._subject)
                .append(", resource id = ").append(this._resourceId)
                .append(")");
            return sb.toString();
        }
    }
}