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Java JDBC 4.2 (JRE 8+) driver for YugaByte SQL database
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/*
* Copyright (c) 2003, PostgreSQL Global Development Group
* See the LICENSE file in the project root for more information.
*/
package org.postgresql.geometric;
import org.postgresql.util.GT;
import org.postgresql.util.PGobject;
import org.postgresql.util.PGtokenizer;
import org.postgresql.util.PSQLException;
import org.postgresql.util.PSQLState;
import org.checkerframework.checker.nullness.qual.Nullable;
import java.io.Serializable;
import java.sql.SQLException;
/**
* This implements a lseg (line segment) consisting of two points.
*/
public class PGlseg extends PGobject implements Serializable, Cloneable {
/**
* These are the two points.
*/
public PGpoint @Nullable [] point;
/**
* @param x1 coordinate for first point
* @param y1 coordinate for first point
* @param x2 coordinate for second point
* @param y2 coordinate for second point
*/
public PGlseg(double x1, double y1, double x2, double y2) {
this(new PGpoint(x1, y1), new PGpoint(x2, y2));
}
/**
* @param p1 first point
* @param p2 second point
*/
public PGlseg(PGpoint p1, PGpoint p2) {
this();
point = new PGpoint[]{p1, p2};
}
/**
* @param s definition of the line segment in PostgreSQL's syntax.
* @throws SQLException on conversion failure
*/
@SuppressWarnings("method.invocation")
public PGlseg(String s) throws SQLException {
this();
setValue(s);
}
/**
* required by the driver.
*/
public PGlseg() {
type = "lseg";
}
/**
* @param s Definition of the line segment in PostgreSQL's syntax
* @throws SQLException on conversion failure
*/
@Override
public void setValue(@Nullable String s) throws SQLException {
if (s == null) {
point = null;
return;
}
PGtokenizer t = new PGtokenizer(PGtokenizer.removeBox(s), ',');
if (t.getSize() != 2) {
throw new PSQLException(GT.tr("Conversion to type {0} failed: {1}.", type, s),
PSQLState.DATA_TYPE_MISMATCH);
}
PGpoint[] point = this.point;
if (point == null) {
this.point = point = new PGpoint[2];
}
point[0] = new PGpoint(t.getToken(0));
point[1] = new PGpoint(t.getToken(1));
}
/**
* @param obj Object to compare with
* @return true if the two line segments are identical
*/
@Override
public boolean equals(@Nullable Object obj) {
if (obj instanceof PGlseg) {
PGlseg p = (PGlseg) obj;
PGpoint[] point = this.point;
PGpoint[] pPoint = p.point;
if (point == null) {
return pPoint == null;
} else if (pPoint == null) {
return false;
}
return (pPoint[0].equals(point[0]) && pPoint[1].equals(point[1]))
|| (pPoint[0].equals(point[1]) && pPoint[1].equals(point[0]));
}
return false;
}
@Override
public int hashCode() {
PGpoint[] point = this.point;
if (point == null) {
return 0;
}
return point[0].hashCode() ^ point[1].hashCode();
}
@Override
public Object clone() throws CloneNotSupportedException {
PGlseg newPGlseg = (PGlseg) super.clone();
if (newPGlseg.point != null) {
newPGlseg.point = (PGpoint[]) newPGlseg.point.clone();
for (int i = 0; i < newPGlseg.point.length; i++) {
if (newPGlseg.point[i] != null) {
newPGlseg.point[i] = (PGpoint) newPGlseg.point[i].clone();
}
}
}
return newPGlseg;
}
/**
* @return the PGlseg in the syntax expected by org.postgresql
*/
@Override
public @Nullable String getValue() {
PGpoint[] point = this.point;
if (point == null) {
return null;
}
return "[" + point[0] + "," + point[1] + "]";
}
}
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