From 2fa2269bd4a993217302183736e6dd0888656869 Mon Sep 17 00:00:00 2001
From: rfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68>
Date: Fri, 6 Nov 2009 23:58:17 +0000
Subject: Improve performance by indexing invocation chains by operation and
 caching Java instanceFactory (merge from 1.x)

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@833609 13f79535-47bb-0310-9956-ffa450edef68
---
 .../tuscany/sca/core/assembly/RuntimeWireImpl.java | 38 +++++++++++++++-------
 .../sca/core/invocation/JDKInvocationHandler.java  | 11 ++++---
 2 files changed, 34 insertions(+), 15 deletions(-)

(limited to 'branches/sca-java-1.5.2/modules/core/src/main/java')

diff --git a/branches/sca-java-1.5.2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeWireImpl.java b/branches/sca-java-1.5.2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeWireImpl.java
index ad38906e9d..cc71374296 100644
--- a/branches/sca-java-1.5.2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeWireImpl.java
+++ b/branches/sca-java-1.5.2/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/RuntimeWireImpl.java
@@ -21,7 +21,9 @@ package org.apache.tuscany.sca.core.assembly;
 
 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
+import java.util.IdentityHashMap;
 import java.util.List;
+import java.util.Map;
 
 import org.apache.tuscany.sca.assembly.Binding;
 import org.apache.tuscany.sca.assembly.Component;
@@ -79,6 +81,10 @@ public class RuntimeWireImpl implements RuntimeWire {
 
     private List<InvocationChain> chains;
     private InvocationChain bindingInvocationChain;
+    // Cache
+    private transient final Map<Operation, InvocationChain> invocationChainMap =
+        new IdentityHashMap<Operation, InvocationChain>();
+
 
     /**
      * @param source
@@ -129,20 +135,30 @@ public class RuntimeWireImpl implements RuntimeWire {
     }
 
     public InvocationChain getInvocationChain(Operation operation) {
-        for (InvocationChain chain : getInvocationChains()) {
-            Operation op = null;
-            if (wireSource.getContract() != null) {
-                // Reference chain
-                op = chain.getSourceOperation();
+        synchronized (invocationChainMap) {
+            InvocationChain cached = invocationChainMap.get(operation);
+            if (cached == null) {
+                for (InvocationChain chain : getInvocationChains()) {
+                    Operation op = null;
+                    if (wireSource.getContract() != null) {
+                        // Reference chain
+                        op = chain.getSourceOperation();
+                    } else {
+                        // Service chain
+                        op = chain.getTargetOperation();
+                    }
+                    if (interfaceContractMapper.isCompatible(operation, op, op.getInterface().isRemotable())) {
+                        invocationChainMap.put(operation, chain);
+                        return chain;
+                    }
+                }
+                invocationChainMap.put(operation, null);
+                return null;
+
             } else {
-                // Service chain
-                op = chain.getTargetOperation();
-            }
-            if (interfaceContractMapper.isCompatible(operation, op, op.getInterface().isRemotable())) {
-                return chain;
+                return cached;
             }
         }
-        return null;
     }
     
     public Object invoke(Message msg) throws InvocationTargetException {
diff --git a/branches/sca-java-1.5.2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKInvocationHandler.java b/branches/sca-java-1.5.2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKInvocationHandler.java
index 80650b2804..4c6abc726c 100644
--- a/branches/sca-java-1.5.2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKInvocationHandler.java
+++ b/branches/sca-java-1.5.2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/JDKInvocationHandler.java
@@ -23,7 +23,7 @@ import java.io.Serializable;
 import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
-import java.util.HashMap;
+import java.util.IdentityHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
@@ -82,7 +82,7 @@ public class JDKInvocationHandler implements InvocationHandler, Serializable {
 
     protected boolean fixedWire = true;
 
-    protected transient Map<Method, InvocationChain> chains = new HashMap<Method, InvocationChain>();
+    protected transient Map<Method, InvocationChain> chains = new IdentityHashMap<Method, InvocationChain>();
 
     public JDKInvocationHandler(MessageFactory messageFactory, Class<?> businessInterface, RuntimeWire wire) {
         this.messageFactory = messageFactory;
@@ -288,8 +288,11 @@ public class JDKInvocationHandler implements InvocationHandler, Serializable {
     }
 
     protected synchronized InvocationChain getInvocationChain(Method method, RuntimeWire wire) {
-        if (fixedWire && chains.containsKey(method)) {
-            return chains.get(method);
+        if (fixedWire) {
+            InvocationChain chain = chains.get(method);
+            if (chain != null) {
+                return chain;
+            }
         }
         InvocationChain found = null;
         for (InvocationChain chain : wire.getInvocationChains()) {
-- 
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