add serializable to PointXX and EnvelopeXX

Author: stolstov

src/main/java/com/esri/core/geometry/Envelope1D.java

@@ -25,10 +25,13 @@
 
 package com.esri.core.geometry;
 
+import java.io.Serializable;
+
 /**
  * A 1-dimensional interval.
  */
-public final class Envelope1D {
+public final class Envelope1D implements Serializable {
+	private static final long serialVersionUID = 1L;
 
 	public double vmin;
 

src/main/java/com/esri/core/geometry/Envelope2D.java

@@ -33,6 +33,7 @@
  */
 public final class Envelope2D implements Serializable {
 	private static final long serialVersionUID = 1L;
+	
 	private final static int XLESSXMIN = 1;
 	// private final int XGREATERXMAX = 2;
 	private final static int YLESSYMIN = 4;

src/main/java/com/esri/core/geometry/Envelope3D.java

@@ -25,10 +25,14 @@
 
 package com.esri.core.geometry;
 
+import java.io.Serializable;
+
 /**
  * A class that represents axis parallel 3D rectangle.
  */
-public final class Envelope3D {
+public final class Envelope3D implements Serializable{
+	private static final long serialVersionUID = 1L;
+	
 	public double xmin;
 
 	public double ymin;

src/main/java/com/esri/core/geometry/OperatorGeodeticDensifyLocal.java

@@ -25,7 +25,7 @@
 package com.esri.core.geometry;
 
 //This is a stub
-public class OperatorGeodeticDensifyLocal extends
+class OperatorGeodeticDensifyLocal extends
 		OperatorGeodeticDensifyByLength {
 
 	@Override

src/main/java/com/esri/core/geometry/Point2D.java

@@ -25,6 +25,7 @@
 
 package com.esri.core.geometry;
 
+import java.io.Serializable;
 import java.math.BigDecimal;
 import java.util.Comparator;
 
@@ -33,8 +34,9 @@
  * Basic 2D point class. Contains only two double fields.
  * 
  */
-public final class Point2D {
-
+public final class Point2D implements Serializable{
+	private static final long serialVersionUID = 1L;
+	
 	public double x;
 	public double y;
 

src/main/java/com/esri/core/geometry/Point3D.java

@@ -25,12 +25,16 @@
 
 package com.esri.core.geometry;
 
+import java.io.Serializable;
+
 /**
  * 
  * Basic 3D point class.
  * 
  */
-public final class Point3D {
+public final class Point3D implements Serializable {
+	private static final long serialVersionUID = 1L;
+	
 	public double x;
 	public double y;
 	public double z;