From 923c2265e677b997c3ad80d48dc78004a1313ff9 Mon Sep 17 00:00:00 2001
From: aclement <aclement>
Date: Thu, 11 May 2006 07:27:45 +0000
Subject: [PATCH] 134471 - incremental structure model repair code overhaul -
 so we don't unnecessarily recompile if a decw changes.

---
 weaver/src/org/aspectj/weaver/Checker.java | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/weaver/src/org/aspectj/weaver/Checker.java b/weaver/src/org/aspectj/weaver/Checker.java
index f123ad36d..a3e2dac1b 100644
--- a/weaver/src/org/aspectj/weaver/Checker.java
+++ b/weaver/src/org/aspectj/weaver/Checker.java
@@ -101,6 +101,28 @@ public class Checker extends ShadowMunger {
     public boolean mustCheckExceptions() { return true; }
 
 
+	// XXX this perhaps ought to take account of the other fields in advice ...
+    public boolean equals(Object other) {
+        if (! (other instanceof Checker)) return false;
+        Checker o = (Checker) other;
+        return  
+          o.isError == isError &&
+        	 ((o.pointcut == null) ? (pointcut == null) : o.pointcut.equals(pointcut)) &&
+          (World.compareLocations?((o.getSourceLocation()==null) ? (getSourceLocation()==null): o.getSourceLocation().equals(getSourceLocation())):true) // pr134471 - remove when handles are improved to be independent of location
+        	;
+    }
+
+	private volatile int hashCode = -1;
+    public int hashCode() {
+    	if (hashCode == -1) {
+            int result = 17;
+            result = 37*result + (isError?1:0);
+            result = 37*result + ((pointcut == null) ? 0 : pointcut.hashCode());
+            hashCode = result;			
+		}
+        return hashCode;
+    }
+
 	public boolean isError() {
 		return isError;
 	}
-- 
2.39.5