SceneActivation.java

/**
 *  C-Nery - A home automation web application for C-Bus.
 *  Copyright (C) 2008,2009,2012  Dave Oxley <dave@daveoxley.co.uk>.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 *  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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package com.daveoxley.cnery.entities;

import com.daveoxley.cbus.CGateException;
import com.daveoxley.cbus.CGateSession;
import com.daveoxley.cbus.Group;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Transient;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.contexts.Contexts;

/**
 *
 * @author Dave Oxley <dave@daveoxley.co.uk>
 */
@Entity
@Name("sceneActivationEntity")
@Table(name="scene_activation")
public class SceneActivation extends BaseEntity implements Comparable<SceneActivation>, Serializable {
    public enum Action {
        ACTIVATE_SCENE("cn.enum.SceneActivation.Action.ActivateScene"),
        RESET_SCENE("cn.enum.SceneActivation.Action.ResetScene"),
        DO_NOTHING("cn.enum.SceneActivation.Action.DoNothing");

        private final String description;

        Action(String description) {
            this.description = description;
        }

        public String getDescription() {
            return description;
        }
    };

    private Scene scene;
    private String groupAddress;
    private Action groupOnAction;
    private Action groupOffAction;

    @ManyToOne
    @JoinColumn(name="scene_id")
    public Scene getScene() { return scene; }
    public void setScene(Scene scene) { this.scene = scene; }

    @Column(name="group_address")
    public String getGroupAddress() { return groupAddress; }
    public void setGroupAddress(String groupAddress) { this.groupAddress = groupAddress; }

    @Column(name="group_on_action")
    @Enumerated(EnumType.STRING)
    public Action getGroupOnAction() { return groupOnAction; }
    public void setGroupOnAction(Action groupOnAction) { this.groupOnAction = groupOnAction; }

    @Column(name="group_off_action")
    @Enumerated(EnumType.STRING)
    public Action getGroupOffAction() { return groupOffAction; }
    public void setGroupOffAction(Action groupOffAction) { this.groupOffAction = groupOffAction; }

    @Override
    public int compareTo(SceneActivation o) {
        Group g1 = null;
        Group g2 = null;
        try {
            g1 = getGroup();
        } catch (Exception e) {}

        try {
            g2 = o.getGroup();
        } catch (Exception e) {}

        if (g1 == null || g2 == null)
            return (g1 != null ? -1 : (g2 == null ? 0 : 1));
        else
            return g1.compareTo(g2);
    }

    @Transient
    private Group getGroup() throws Exception {
        String address = getGroupAddress();
        if (address == null)
            return null;

        CGateSession cGateSession = (CGateSession)Contexts.getApplicationContext().get("cGateSession");
        return (Group)cGateSession.getCGateObject(address);
    }

    @Transient
    public String getGroupName() {
        try {
            Group group = getGroup();
            if (group != null)
                return group.getName();
        } catch(Exception e) {
            new CGateException(e);
        }
        return "";
    }
}