MeasurementImpl.java
/**
* MeasurementImpl.java This file is part of WattDepot.
*
* Copyright (C) 2013 Cam Moore
*
* 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 org.wattdepot.server.depository.impl.hibernate;
import java.util.Date;
import javax.measure.unit.Unit;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Index;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
//import org.hibernate.annotations.Index;
import org.wattdepot.common.domainmodel.Measurement;
/**
* MeasurementImpl - Hibernate persistant version of Measurement. It is 'stored'
* in a Depository.
*
* @author Cam Moore
*
*/
@Entity
@Table(name = "MEASUREMENTS", indexes = {@Index(name = "IDX_MEASUREMENT", columnList = "DEPOSITORY_PK, SENSOR_PK, TIMESTAMP") })
public class MeasurementImpl {
/** Database primary key. */
@Id
@GeneratedValue
private Long pk;
/** The unique id. Can be used in URIs. */
private String id;
/** The sensor that made the measurement. */
@ManyToOne
// @Index(name = "IDX_MEASUREMENT")
private SensorImpl sensor;
/** The time of the measurement. */
// @Index(name = "IDX_MEASUREMENT")
private Date timestamp;
/** The value of the measurement. */
private Double value;
/** The units of the measurement. */
private String units;
/** The Depository storing the measurement. */
@ManyToOne
// @Index(name = "IDX_MEASUREMENT")
private DepositoryImpl depository;
/**
* Default constructor.
*/
public MeasurementImpl() {
super();
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
MeasurementImpl other = (MeasurementImpl) obj;
if (id == null) {
if (other.id != null) {
return false;
}
}
else if (!id.equals(other.id)) {
return false;
}
if (pk == null) {
if (other.pk != null) {
return false;
}
}
else if (!pk.equals(other.pk)) {
return false;
}
if (sensor == null) {
if (other.sensor != null) {
return false;
}
}
else if (!sensor.equals(other.sensor)) {
return false;
}
if (timestamp == null) {
if (other.timestamp != null) {
return false;
}
}
else if (!timestamp.equals(other.timestamp)) {
return false;
}
if (units == null) {
if (other.units != null) {
return false;
}
}
else if (!units.equals(other.units)) {
return false;
}
if (value == null) {
if (other.value != null) {
return false;
}
}
else if (!value.equals(other.value)) {
return false;
}
return true;
}
/**
* @return the depository
*/
public DepositoryImpl getDepository() {
return depository;
}
/**
* @return the id
*/
public String getId() {
return id;
}
/**
* @return the pk
*/
public Long getPk() {
return pk;
}
/**
* @return the sensor
*/
public SensorImpl getSensor() {
return sensor;
}
/**
* @return the timestamp
*/
@Temporal(TemporalType.TIMESTAMP)
@Column(name = "MEASUREMENT_DATE")
public Date getTimestamp() {
return new Date(timestamp.getTime());
}
/**
* @return the units
*/
public String getUnits() {
return units;
}
/**
* @return the value
*/
public Double getValue() {
return value;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode());
result = prime * result + ((pk == null) ? 0 : pk.hashCode());
result = prime * result + ((sensor == null) ? 0 : sensor.hashCode());
result = prime * result + ((timestamp == null) ? 0 : timestamp.hashCode());
result = prime * result + ((units == null) ? 0 : units.hashCode());
result = prime * result + ((value == null) ? 0 : value.hashCode());
return result;
}
/**
* @param depository the depository to set
*/
public void setDepository(DepositoryImpl depository) {
this.depository = depository;
}
/**
* @param id the id to set
*/
public void setId(String id) {
this.id = id;
}
/**
* @param pk the pk to set
*/
@SuppressWarnings("unused")
private void setPk(Long pk) {
this.pk = pk;
}
/**
* @param sensor the sensor to set
*/
public void setSensor(SensorImpl sensor) {
this.sensor = sensor;
}
/**
* @param timestamp the timestamp to set
*/
public void setTimestamp(Date timestamp) {
this.timestamp = new Date(timestamp.getTime());
}
/**
* @param units the units to set
*/
public void setUnits(String units) {
this.units = units;
}
/**
* @param value the value to set
*/
public void setValue(Double value) {
this.value = value;
}
/**
* @return The domainmodel Measurement that is equivalent to this
* MeasurementImpl.
*/
public Measurement toMeasurement() {
Measurement ret = new Measurement(sensor.getId(), timestamp, value, Unit.valueOf(units));
return ret;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return "MeasurementImpl [pk=" + pk + ", id=" + id + ", sensor=" + sensor + ", timestamp="
+ timestamp + ", value=" + value + ", units=" + units + ", depository=" + depository + "]";
}
}