Made the Axis enumeration serializable and all the components of the …

…org.olap4j.mdx package too, thus allowing their use through RPC.

git-svn-id: https://olap4j.svn.sourceforge.net/svnroot/olap4j/trunk@148 c6a108a4-781c-0410-a6c6-c2d559e19af0

src/org/olap4j/Axis.java

@@ -9,6 +9,7 @@
 */
 package org.olap4j;
 
+import java.io.Serializable;
 import java.util.Locale;
 
 /**
@@ -24,7 +25,7 @@
  * @version $Id$
  * @since Oct 23, 2006
  */
-public interface Axis {
+public interface Axis extends Serializable {
 
     /**
      * @deprecated Will be removed before olap4j 1.0.

src/org/olap4j/mdx/IdentifierNode.java

@@ -12,6 +12,7 @@
 import org.olap4j.impl.Olap4jUtil;
 import org.olap4j.type.Type;
 
+import java.io.Serializable;
 import java.util.*;
 
 /**
@@ -312,7 +313,7 @@ static void quoteMdxIdentifier(
      * To parse an identifier into a list of segments, use the method
      * {@link IdentifierNode#parseIdentifier(String)}.</p>
      */
-    public static class Segment {
+    public static class Segment implements Serializable{
         final String name;
         final IdentifierNode.Quoting quoting;
         private final ParseRegion region;

src/org/olap4j/mdx/ParseRegion.java

@@ -9,6 +9,8 @@
 */
 package org.olap4j.mdx;
 
+import java.io.Serializable;
+
 /**
  * Region of parser source code.
  *
@@ -32,7 +34,7 @@
  * @version $Id$
  * @author jhyde
  */
-public class ParseRegion {
+public class ParseRegion implements Serializable{
     private final int startLine;
     private final int startColumn;
     private final int endLine;

src/org/olap4j/mdx/ParseTreeNode.java

@@ -9,6 +9,7 @@
 */
 package org.olap4j.mdx;
 
+import java.io.Serializable;
 import org.olap4j.type.Type;
 
 /**
@@ -21,7 +22,7 @@
  * @version $Id$
  * @since Jun 4, 2007
  */
-public interface ParseTreeNode {
+public interface ParseTreeNode extends Serializable {
     /**
      * Accepts a visitor to this MDX parse tree node.
      *