Indicator.java

/*
 * WBI Indicator Explorer
 *
 * Copyright 2015 Sebastian Nogara <snogaraleal@gmail.com>
 *
 * This file is part of WBI.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package models;

import java.util.List;
import java.util.Map;

import javax.persistence.Entity;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;

import rpc.shared.data.Type;

@SuppressWarnings("serial")
@Entity
public class Indicator extends Model {
    public static Finder<Indicator> objects =
        new Finder<Indicator>(Indicator.class);

    public enum Status {
        AVAILABLE,
        LOADING,
        READY
    }

    protected String ident;

    protected String name;

    protected Status status;

    @ManyToMany
    protected List<Topic> topics;

    @ManyToOne
    protected Source source;

    public Indicator() {
        super();
    }

    public Indicator(
            String ident, String name, Status status,
            List<Topic> topics, Source source) {

        this();

        this.ident = ident;
        this.name = name;
        this.status = status;

        this.topics = topics;
        this.source = source;
    }

    public Indicator(
            String ident, String name,
            List<Topic> topics, Source source) {

        this(ident, name, Status.AVAILABLE, topics, source);
    }

    public String getIdent() {
        return ident;
    }

    public String getName() {
        return name;
    }

    public Status getStatus() {
        return status;
    }

    public void setStatus(Status status) {
        this.status = status;
    }

    public boolean isAvailable() {
        return status == Status.AVAILABLE;
    }

    public boolean isLoading() {
        return status == Status.LOADING;
    }

    public boolean isReady() {
        return status == Status.READY;
    }

    public List<Topic> getTopics() {
        return topics;
    }

    public Source getSource() {
        return source;
    }

    /*
     * {@code Serializable} implementation
     */

    public static final String FIELD_IDENT = "ident";
    public static final String FIELD_NAME = "name";
    public static final String FIELD_STATUS = "status";
    public static final String FIELD_TOPICS = "topics";
    public static final String FIELD_SOURCE = "source";

    @Override
    public Object get(String field) {
        if (field.equals(FIELD_IDENT)) return ident;
        if (field.equals(FIELD_NAME)) return name;
        if (field.equals(FIELD_STATUS)) return status;
        if (field.equals(FIELD_TOPICS)) return topics;
        if (field.equals(FIELD_SOURCE)) return source;
        return super.get(field);
    }

    @SuppressWarnings("unchecked")
    @Override
    public void set(String field, Object value) {
        super.set(field, value);
        if (field.equals(FIELD_IDENT)) ident = (String) value;
        if (field.equals(FIELD_NAME)) name = (String) value;
        if (field.equals(FIELD_STATUS)) status = (Status) value;
        if (field.equals(FIELD_TOPICS)) topics = (List<Topic>) value;
        if (field.equals(FIELD_SOURCE)) source = (Source) value;
    }

    private static Map<String, Type> fields;

    @Override
    public Map<String, Type> fields() {
        if (fields == null) {
            fields = super.fields();
            fields.put(FIELD_IDENT, Type.get(String.class));
            fields.put(FIELD_NAME, Type.get(String.class));
            fields.put(FIELD_STATUS, Type.get(Status.class));
            fields.put(FIELD_TOPICS, Type.get(
                List.class, Type.get(Topic.class)));
            fields.put(FIELD_SOURCE, Type.get(Source.class));
        }
        return fields;
    }
}