Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/model/sinfo/CollisionValue.java @ 9633:b0520a85739d
Nachtrag Pos. 19: query for most recent discharge table added
author | mschaefer |
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date | Thu, 17 Oct 2019 16:48:03 +0200 |
parents | 38e8febd11b6 |
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/* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde * Software engineering by * Björnsen Beratende Ingenieure GmbH * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.model.sinfo; import java.io.Serializable; import java.util.ArrayList; import java.util.Date; import java.util.List; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.OneToOne; import javax.persistence.SequenceGenerator; import javax.persistence.Table; import org.dive4elements.river.backend.SessionHolder; import org.dive4elements.river.model.River; import org.hibernate.Query; import org.hibernate.SQLQuery; import org.hibernate.Session; import org.hibernate.type.StandardBasicTypes; /** * Hibernate binding for the DB table collision_values * * @author Matthias Schäfer * */ @Entity @Table(name = "collision_values") public class CollisionValue implements Serializable { /***** FIELDS *****/ private static final long serialVersionUID = -1157324854470346513L; private Integer id; private Collision collision; private Double station; private CollisionType collisionType; private Date eventDate; private String gaugeName; private Double gaugeW; /***** CONSTRUCTORS *****/ public CollisionValue() { } public CollisionValue(final Collision collision, final Double station, final CollisionType collisionType, final Date eventDate, final String gaugeName, final Double gaugeW) { this.collision = collision; this.station = station; this.collisionType = collisionType; this.eventDate = eventDate; this.gaugeName = gaugeName; this.gaugeW = gaugeW; } /** * Constructor with primitive parameter types */ public CollisionValue(final Collision collision, final double km, final CollisionType collisionType, final Date eventDate, final String gaugeName, final double gaugeW) { this(collision, Double.valueOf(km), collisionType, eventDate, gaugeName, Double.valueOf(gaugeW)); } /***** METHODS *****/ @Id @SequenceGenerator(name = "SEQUENCE_COLLISION_VALUE_ID_SEQ", sequenceName = "COLLISION_VALUES_ID_SEQ", allocationSize = 1) @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "SEQUENCE_COLLISION_VALUE_ID_SEQ") @Column(name = "id") public Integer getId() { return this.id; } public void setId(final Integer id) { this.id = id; } @OneToOne @JoinColumn(name = "collision_id") public Collision getCollision() { return this.collision; } public void setCollision(final Collision collision) { this.collision = collision; } @Column(name = "station") public Double getStation() { return this.station; } public void setStation(final Double station) { this.station = station; } @OneToOne @JoinColumn(name = "collision_type_id") public CollisionType getCollisionType() { return this.collisionType; } public void setCollisionType(final CollisionType collisionType) { this.collisionType = collisionType; } @Column(name = "event_date") public Date getEventDate() { return this.eventDate; } public void setEventDate(final Date eventDate) { this.eventDate = eventDate; } @Column(name = "gauge_name") public String getGaugeName() { return this.gaugeName; } public void setGaugeName(final String gaugeName) { this.gaugeName = gaugeName; } @Column(name = "gauge_w") public Double getGaugeW() { return this.gaugeW; } public void setGaugeW(final Double gaugeW) { this.gaugeW = gaugeW; } /** * Selects the collision values of a data series in a km range from the database */ public static List<CollisionValue> getValues(final Collision parent, final double kmLo, final double kmHi) { final Session session = SessionHolder.HOLDER.get(); final Query query = session.createQuery("FROM CollisionValue WHERE (collision=:parent)" + " AND (station >= :kmLo - 0.0001) AND (station <= :kmHi + 0.0001)"); query.setParameter("parent", parent); query.setParameter("kmLo", new Double(kmLo)); query.setParameter("kmHi", new Double(kmHi)); return query.list(); } /** * Selects from the database the collision values of a km range of a river and a date range */ public static List<CollisionValue> getValues(final River river, final double kmLo, final double kmHi, final Date fromDate, final Date toDate) { final Session session = SessionHolder.HOLDER.get(); final SQLQuery query = session.createSQLQuery("SELECT station, event_date, gauge_w, gauge_name, ct.name AS collisiontype" + " FROM collision_values v INNER JOIN collision s ON v.collision_id=s.id" + " INNER JOIN collision_type ct ON v.collision_type_id=ct.id" + " WHERE (s.river_id=:river_id)" + " AND (station BETWEEN (:kmLo - 0.0001) AND (:kmHi + 0.0001))" + " AND (event_date BETWEEN :fromDate AND :toDate)" + " ORDER BY station, event_date") .addScalar("station", StandardBasicTypes.DOUBLE) .addScalar("event_date", StandardBasicTypes.DATE) .addScalar("gauge_w", StandardBasicTypes.DOUBLE) .addScalar("gauge_name", StandardBasicTypes.STRING) .addScalar("collisiontype", StandardBasicTypes.STRING); query.setInteger("river_id", river.getId()); query.setDouble("kmLo", new Double(kmLo)); query.setDouble("kmHi", new Double(kmHi)); query.setDate("fromDate", fromDate); query.setDate("toDate", toDate); return buildCollisionValueList(query.list()); } private static List<CollisionValue> buildCollisionValueList(final List<Object[]> rows) { final List<CollisionValue> values = new ArrayList<>(); for (int i = 0; i <= rows.size() - 1; i++) values.add(new CollisionValue(null, (double) rows.get(i)[0], null, (Date) rows.get(i)[1], (String) rows.get(i)[3], (double) rows.get(i)[2])); return values; } }