AbstractFallbackTransactionAttributeSource's DefaultCacheKey takes targetClass into account (again)

Issue: SPR-12536
(cherry picked from commit c087e51)

spring-context/src/main/java/org/springframework/cache/interceptor/AbstractFallbackCacheOperationSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-context/src/main/java/org/springframework/cache/interceptor/MethodCacheKey.java

@@ -23,6 +23,7 @@ import org.springframework.util.ObjectUtils;
 
 /**
  * Represent a method on a particular {@link Class} and  is suitable as a key.
+ *
  * <p>Mainly for internal use within the framework.
  *
  * @author Costin Leau
@@ -35,12 +36,14 @@ public final class MethodCacheKey {
 
 	private final Class<?> targetClass;
 
+
 	public MethodCacheKey(Method method, Class<?> targetClass) {
 		Assert.notNull(method, "method must be set.");
 		this.method = method;
 		this.targetClass = targetClass;
 	}
 
+
 	@Override
 	public boolean equals(Object other) {
 		if (this == other) {
@@ -50,13 +53,14 @@ public final class MethodCacheKey {
 			return false;
 		}
 		MethodCacheKey otherKey = (MethodCacheKey) other;
-		return (this.method.equals(otherKey.method) && ObjectUtils.nullSafeEquals(this.targetClass,
-				otherKey.targetClass));
+		return (this.method.equals(otherKey.method) &&
+				ObjectUtils.nullSafeEquals(this.targetClass, otherKey.targetClass));
 	}
 
+
 	@Override
 	public int hashCode() {
-		return this.method.hashCode() * 29 + (this.targetClass != null ? this.targetClass.hashCode() : 0);
+		return this.method.hashCode() + (this.targetClass != null ? this.targetClass.hashCode() * 29 : 0);
 	}
 
 }

spring-tx/src/main/java/org/springframework/transaction/interceptor/AbstractFallbackTransactionAttributeSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2014 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -227,7 +227,7 @@ public abstract class AbstractFallbackTransactionAttributeSource implements Tran
 
 		@Override
 		public int hashCode() {
-			return this.method.hashCode();
+			return this.method.hashCode() + (this.targetClass != null ? this.targetClass.hashCode() * 29 : 0);
 		}
 	}