1 files changed, 113 insertions, 0 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/SimpleWorkContext.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/SimpleWorkContext.java
new file mode 100644
index 0000000000..7e978f6f35
--- /dev/null
+++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/component/SimpleWorkContext.java
@@ -0,0 +1,113 @@
+/*
+ * 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.core.component;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.List;
+import java.util.LinkedList;
+import java.util.ArrayList;
+import java.net.URI;
+
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.component.AtomicComponent;
+import org.apache.tuscany.spi.wire.Wire;
+
+/**
+ * A simple WorkContext implementation that provides basic thread-local support
+ * for storing work context information. The implementation is <em>not</em>
+ * thread safe.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class SimpleWorkContext implements WorkContext {
+    private final Map<Object, Object> identifiers = new HashMap<Object, Object>();
+    private final List<String> serviceNameStack = new ArrayList<String>();
+
+    private LinkedList<URI> callbackUris;
+    private LinkedList<Wire> callbackWires;
+    private Object correlationId;
+    private AtomicComponent currentAtomicComponent;
+
+    public Object getIdentifier(Object type) {
+        return identifiers.get(type);
+    }
+
+    public void setIdentifier(Object type, Object identifier) {
+        identifiers.put(type, identifier);
+    }
+
+    public void clearIdentifier(Object type) {
+        identifiers.remove(type);
+    }
+
+    public void clearIdentifiers() {
+        identifiers.clear();
+    }
+
+    public LinkedList<URI> getCallbackUris() {
+        return callbackUris;
+    }
+
+    public void setCallbackUris(LinkedList<URI> uris) {
+        this.callbackUris = uris;
+    }
+
+    public LinkedList<Wire> getCallbackWires() {
+        return callbackWires;
+    }
+
+    public void setCallbackWires(LinkedList<Wire> wires) {
+        this.callbackWires = wires;
+    }
+
+    public Object getCorrelationId() {
+        return correlationId;
+    }
+
+    public void setCorrelationId(Object correlationId) {
+        this.correlationId = correlationId;
+    }
+
+    public AtomicComponent getCurrentAtomicComponent() {
+        return currentAtomicComponent;
+    }
+
+    public void setCurrentAtomicComponent(AtomicComponent currentAtomicComponent) {
+        this.currentAtomicComponent = currentAtomicComponent;
+    }
+
+    public String getCurrentServiceName() {
+        assert !serviceNameStack.isEmpty();
+        return serviceNameStack.get(serviceNameStack.size() - 1);
+    }
+
+    public void pushServiceName(String name) {
+        serviceNameStack.add(name);
+    }
+
+    public String popServiceName() {
+        assert !serviceNameStack.isEmpty();
+        return serviceNameStack.remove(serviceNameStack.size() - 1);
+    }
+
+    public void clearServiceNames() {
+        serviceNameStack.clear();
+    }
+}