From 2ce853a42d8edfb1b27b5a89b629fdbd3a96313d Mon Sep 17 00:00:00 2001
From: James Strachan <jstrachan@apache.org>
Date: Thu, 23 Feb 2006 20:28:46 +0000
Subject: [PATCH] added the auto-generation of hashcode, equals and toString
 methods

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@380217 13f79535-47bb-0310-9956-ffa450edef68
---
 .../tool/OpenWireCSharpClassesScript.java     | 51 ++++++++++++++++++-
 .../gram/script/GenerateCSharpClasses.groovy  | 38 ++++++++++++--
 2 files changed, 83 insertions(+), 6 deletions(-)

diff --git a/activemq-core/src/gram/java/org/apache/activemq/openwire/tool/OpenWireCSharpClassesScript.java b/activemq-core/src/gram/java/org/apache/activemq/openwire/tool/OpenWireCSharpClassesScript.java
index 88d70aeb7b..f3b3f2c296 100644
--- a/activemq-core/src/gram/java/org/apache/activemq/openwire/tool/OpenWireCSharpClassesScript.java
+++ b/activemq-core/src/gram/java/org/apache/activemq/openwire/tool/OpenWireCSharpClassesScript.java
@@ -17,8 +17,10 @@
 package org.apache.activemq.openwire.tool;
 
 import org.codehaus.jam.JClass;
+import org.codehaus.jam.JProperty;
 
-import java.io.File;
+import java.io.*;
+import java.util.Iterator;
 
 /**
  *
@@ -34,6 +36,53 @@ public abstract class OpenWireCSharpClassesScript extends OpenWireClassesScript
         
         return super.run();
     }
+    
+    public String makeHashCodeBody() throws Exception {
+        if (simpleName.endsWith("Id")) {
+            StringWriter buffer = new StringWriter();
+            PrintWriter out = new PrintWriter(buffer);
+            out.println("            int answer = 0;");
+            Iterator iter = getProperties().iterator();
+            while (iter.hasNext()) {
+                JProperty property = (JProperty) iter.next();
+                out.println("            answer = (answer * 37) + HashCode(" + property.getSimpleName() + ");");
+            }
+            out.println("            return answer;");
+            return buffer.toString();
+        }
+        return null;
+    }
+
+    public String makeEqualsBody() throws Exception {
+        if (simpleName.endsWith("Id")) {
+            StringWriter buffer = new StringWriter();
+            PrintWriter out = new PrintWriter(buffer);
+            
+            Iterator iter = getProperties().iterator();
+            while (iter.hasNext()) {
+                JProperty property = (JProperty) iter.next();
+                String name = property.getSimpleName();
+                out.println("            if (! Equals(this." + name + ", that." + name + ")) return false;");
+            }
+            out.println("            return true;");
+            return buffer.toString();
+        }
+        return null;
+    }
+    
+    public String makeToStringBody() throws Exception {
+            StringWriter buffer = new StringWriter();
+            PrintWriter out = new PrintWriter(buffer);
+            out.println("            return GetType().Name + \"[\"");
+            Iterator iter = getProperties().iterator();
+            while (iter.hasNext()) {
+                JProperty property = (JProperty) iter.next();
+                String name = property.getSimpleName();
+                out.println("                + \" " + name + "=\" + " + name);
+            }
+            out.println("                + \" ]\";");
+            return buffer.toString();
+    }
 
 
 }
diff --git a/activemq-core/src/gram/script/GenerateCSharpClasses.groovy b/activemq-core/src/gram/script/GenerateCSharpClasses.groovy
index 86f68b4e48..f0e79d6880 100755
--- a/activemq-core/src/gram/script/GenerateCSharpClasses.groovy
+++ b/activemq-core/src/gram/script/GenerateCSharpClasses.groovy
@@ -69,13 +69,41 @@ namespace OpenWire.Client.Commands
 """
     }
 
+	def text = makeHashCodeBody()
+	if (text != null) out << 
+"""
+		public override int GetHashCode() {
+$text
+		}
+	
+"""	
+	   
+	text = makeEqualsBody()
+	if (text != null) out << 
+"""
+		public override bool Equals(object that) {
+	    	if (that is ${className}) {
+	    	    return Equals((${className}) that);
+			}
+			return false;
+    	}
+    
+		public virtual bool Equals(${className} that) {
+$text
+		}
+	
+"""	
+	    
+	text = makeToStringBody()
+	if (text != null) out << """
+		public override string ToString() {
+$text
+		}
+	
+"""	
+	    
     out << """
 
-        // TODO generate Equals method
-        // TODO generate GetHashCode method
-        // TODO generate ToString method
-
-
         public override byte GetDataStructureType() {
             return ID_${jclass.simpleName};
         }