1 files changed, 92 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TracingAspect.java b/sca-java-2.x/tags/2.0.1-RC1/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TracingAspect.java
new file mode 100644
index 0000000000..0178ebdb6e
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/tracing-aspectj/src/main/java/org/apache/tuscany/sca/aspectj/TracingAspect.java
@@ -0,0 +1,92 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.aspectj;
+
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.After;
+import org.aspectj.lang.annotation.AfterReturning;
+import org.aspectj.lang.annotation.AfterThrowing;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.aspectj.lang.annotation.Pointcut;
+
+/**
+ * @version $Rev$ $Date$
+ */
+
+@Aspect
+public abstract class TracingAspect {
+
+    @Pointcut("")
+    protected abstract void entry();
+
+    @Pointcut("")
+    protected abstract void withinScope();
+
+    @Pointcut("call(* java..*.*(..))")
+    protected void exit() {
+    }
+
+    @Pointcut("entry() && !cflowbelow(entry())")
+    void start() {
+    }
+
+    // @Pointcut("withinScope() && cflow(entry()) && !cflow(exit()) && !within(org.apache.tuscany.sca.aspectj.*Aspect) && !within(*.toString)")
+    @Pointcut("withinScope() && entry()")
+    // @Pointcut("withinScope() && entry()&& !cflow(execution(String toString())")
+    void trace() {
+    }
+
+    @Pointcut("!handler(*) && !preinitialization(new(..))")
+    protected void supportsAfterAdvice() {
+    }
+
+    @Before("start()")
+    public void beforeStart() {
+        startLog();
+    }
+
+    @Before("trace() && supportsAfterAdvice()")
+    public void beforeTrace(JoinPoint jp) {
+        logEnter(jp);
+    }
+   
+    @AfterReturning(pointcut = "trace() && supportsAfterAdvice()", returning = "result")
+    public void afterReturning(JoinPoint jp, Object result) {
+        logExit(jp, result);
+    }
+
+    @AfterThrowing(pointcut = "trace() && supportsAfterAdvice()", throwing = "e")
+    public void afterThrowing(JoinPoint jp, Throwable e) {
+        logThrowable(jp, e);
+    }
+
+    @After("start()")
+    public void afterStart() {
+        completeLog();
+    }
+
+    protected abstract void logEnter(JoinPoint jp);
+    protected abstract void logExit(JoinPoint jp, Object result);
+    protected abstract void logThrowable(JoinPoint jp, Throwable throwable);
+
+    protected abstract void startLog();
+    protected abstract void completeLog();
+}