 /*
  * RHQ Management Platform
  * Copyright (C) 2005-2008 Red Hat, Inc.
  * All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, version 2, as
  * published by the Free Software Foundation, and/or the GNU Lesser
  * General Public License, version 2.1, also 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 and the GNU Lesser General Public License
  * for more details.
  *
  * You should have received a copy of the GNU General Public License
  * and the GNU Lesser General Public License along with this program;
  * if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
package org.rhq.core.domain.measurement;

import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;

/**
 * Subclass for numerical measurement data
 *
 * @author Greg Hinkle
 */
@Entity
@NamedQueries( {
    @NamedQuery(name = MeasurementDataNumeric1D.GET_NUM_AGGREGATE, query = "SELECT min(nmd.min), avg(nmd.value), max(nmd.max) "
        + "FROM MeasurementDataNumeric1D nmd "
        + "WHERE nmd.id.scheduleId = :schedId AND nmd.id.timestamp BETWEEN :start AND :end"),
    @NamedQuery(name = MeasurementDataNumeric1D.GET_NUM_AGGREGATE_MULTI, query = "SELECT min(nmd.min), avg(nmd.value), max(nmd.max),sum(nmd.value) " // TODO does sum() make any sense ?
        + "FROM MeasurementDataNumeric1D nmd "
        + "WHERE nmd.schedule IN (:schedules) AND nmd.id.timestamp BETWEEN :start AND :end") })
@Table(name = "RHQ_MEASUREMENT_DATA_NUM_1D")
public class MeasurementDataNumeric1D extends MeasurementData implements Serializable {
    private static final long serialVersionUID = 1L;

    public static final String GET_NUM_AGGREGATE = "MeasurementDataNumeric1D.getNumAggregate";
    public static final String GET_NUM_AGGREGATE_MULTI = "MeasurementDataNumeric1D.getNumAggregateMulti";

    @Column(precision = 24, scale = 3)
    private Double value;

    @Column(name = "minvalue")
    private Double min;

    @Column(name = "maxvalue")
    private Double max;

    protected MeasurementDataNumeric1D() {
        // for JPA
    }

    @Override
    public Double getValue() {
        return this.value;
    }

    public Double getMin() {
        return min;
    }

    public Double getMax() {
        return max;
    }

    @Override
    public String toString() {
        return "MeasurementDataNumeric1D[" + "average=[" + value + "], "
            + super.toString() + "]";
    }
}