com.knowbout.epg.entities.Lineup.java Source code

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Here is the source code for com.knowbout.epg.entities.Lineup.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */

package com.knowbout.epg.entities;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import org.hibernate.Query;
import org.hibernate.Session;

import com.knowbout.hibernate.HibernateUtil;

public class Lineup {

    private String id;
    private String name;
    private Device device;
    private Set<Channel> channels;
    private Headend headend;

    public Lineup() {
    }

    /**
     * @return Returns the channels.
     */
    public Set<Channel> getChannels() {
        return channels;
    }

    /**
     * @param channels The channels to set.
     */
    public void setChannels(Set<Channel> channels) {
        this.channels = channels;
    }

    /**
     * @return Returns the device.
     */
    public Device getDevice() {
        return device;
    }

    /**
     * @param device The device to set.
     */
    public void setDevice(Device device) {
        this.device = device;
    }

    /**
     * @return Returns the headend.
     */
    public Headend getHeadend() {
        return headend;
    }

    /**
     * @param headend The headend to set.
     */
    public void setHeadend(Headend headend) {
        this.headend = headend;
    }

    /**
     * @return Returns the id.
     */
    public String getId() {
        return id;
    }

    /**
     * @param id The id to set.
     */
    public void setId(String id) {
        this.id = id;
    }

    /**
     * @return Returns the name.
     */
    public String getName() {
        return name;
    }

    /**
     * @param name The name to set.
     */
    public void setName(String name) {
        this.name = name;
    }

    public void insert() {
        Session session = HibernateUtil.currentSession();
        session.save(this);
    }

    public void delete() {
        Session session = HibernateUtil.currentSession();
        session.delete(this);
    }

    public static Lineup selectById(String id) {
        Session session = HibernateUtil.currentSession();
        return (Lineup) session.get(Lineup.class, id);
    }

    /**
     * Get the Channel(s) for the given channel number on this lineup.
     * It is possible for there to be two channels for the same channel number.
     * If this is the case, each will have a different station and obviously only
     * one will be playing content at a time. This creates a time sharing situation 
     * for that channel.  95% of the time, this does not happen, but it does for a few
     * channels.
     * @param channelNumber
     * @return the list of channels for the given channel number.
     */
    @SuppressWarnings("unchecked")
    public List<Channel> getChannel(String channelNumber) {
        Session session = HibernateUtil.currentSession();
        Query query = session.getNamedQuery("Lineup.getChannels");
        query.setString("lineupId", id);
        query.setString("channelNumber", channelNumber);
        List results = query.list();
        List<Channel> castResults = new ArrayList<Channel>(results.size());
        castResults.addAll(results);
        return castResults;
    }
}