1 files changed, 115 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/BaseDomainRegistryFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/BaseDomainRegistryFactory.java
new file mode 100644
index 0000000000..ce38eb4eee
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/BaseDomainRegistryFactory.java
@@ -0,0 +1,115 @@
+/*
+ * 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.runtime;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.LifeCycleListener;
+
+/**
+ * The utility responsible for finding the endpoint regstry by the scheme and creating instances for the
+ * given domain
+ * @tuscany.spi.extension.inheritfrom
+ */
+public abstract class BaseDomainRegistryFactory implements DomainRegistryFactory, LifeCycleListener {
+    protected ExtensionPointRegistry registry;
+    protected Map<Object, DomainRegistry> domainRegistries = new ConcurrentHashMap<Object, DomainRegistry>();
+    protected List<EndpointListener> listeners = new ArrayList<EndpointListener>();
+
+    /**
+     * @param extensionRegistry
+     */
+    public BaseDomainRegistryFactory(ExtensionPointRegistry registry) {
+        super();
+        this.registry = registry;
+    }
+
+    public void start() {
+    }
+
+    public synchronized DomainRegistry getEndpointRegistry(String endpointRegistryURI, String domainURI) {
+        if (endpointRegistryURI == null) {
+            endpointRegistryURI = domainURI;
+        }
+
+        Object key = getKey(endpointRegistryURI, domainURI);
+
+        DomainRegistry domainRegistry = domainRegistries.get(key);
+        if (domainRegistry != null) {
+            return domainRegistry;
+        }
+
+        domainRegistry = createEndpointRegistry(endpointRegistryURI, domainURI);
+
+        if (domainRegistry instanceof LifeCycleListener) {
+            ((LifeCycleListener)domainRegistry).start();
+        }
+
+        for (EndpointListener listener : listeners) {
+            domainRegistry.addEndpointListener(listener);
+        }
+        domainRegistries.put(key, domainRegistry);
+        return domainRegistry;
+    }
+
+    protected Object getKey(String endpointRegistryURI, String domainURI) {
+        return endpointRegistryURI + "," + domainURI;
+    }
+
+    protected abstract DomainRegistry createEndpointRegistry(String endpointRegistryURI, String domainURI);
+
+    public void stop() {
+        for (DomainRegistry domainRegistry : domainRegistries.values()) {
+            if (domainRegistry instanceof LifeCycleListener) {
+                ((LifeCycleListener)domainRegistry).stop();
+            }
+        }
+        domainRegistries.clear();
+        listeners.clear();
+    }
+
+    public synchronized Collection<DomainRegistry> getEndpointRegistries() {
+        return new ArrayList<DomainRegistry>(domainRegistries.values());
+    }
+
+    public synchronized void addListener(EndpointListener listener) {
+        listeners.add(listener);
+        for (DomainRegistry registry : domainRegistries.values()) {
+            registry.addEndpointListener(listener);
+        }
+    }
+
+    public synchronized List<EndpointListener> getListeners() {
+        return listeners;
+    }
+
+    public synchronized void removeListener(EndpointListener listener) {
+        listeners.remove(listener);
+        for (DomainRegistry registry : domainRegistries.values()) {
+            registry.removeEndpointListener(listener);
+        }
+    }
+
+}