3 files changed, 42 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ActiveNodes.java b/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ActiveNodes.java
new file mode 100644
index 0000000000..c3b6527181
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ActiveNodes.java
@@ -0,0 +1,32 @@
+/*
+ * 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.List;
+
+public class ActiveNodes {
+
+    List<Object> activeNodes = new ArrayList<Object>();
+    
+    public  List<Object> getActiveNodes() {
+        return activeNodes;
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/DomainRegistry.java b/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/DomainRegistry.java
index 08c7a5131f..08fbb62f0d 100644
--- a/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/DomainRegistry.java
+++ b/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/DomainRegistry.java
@@ -22,6 +22,7 @@ package org.apache.tuscany.sca.runtime;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.Callable;
 
 import org.apache.tuscany.sca.assembly.Composite;
 import org.apache.tuscany.sca.assembly.Endpoint;
@@ -96,4 +97,6 @@ public interface DomainRegistry {
     List<String> getMembers();
     String getLocalMember();
     String getRunningMember(String contributionURI, String compositeURI);
+    
+    String remoteCommand(String memberName, Callable<String> command);
 }
diff --git a/sca-java-2.x/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/DomainRegistryImpl.java b/sca-java-2.x/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/DomainRegistryImpl.java
index c3ffd9091f..1af82d2272 100644
--- a/sca-java-2.x/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/DomainRegistryImpl.java
+++ b/sca-java-2.x/trunk/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/DomainRegistryImpl.java
@@ -26,6 +26,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
+import java.util.concurrent.Callable;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -243,4 +244,10 @@ public class DomainRegistryImpl extends BaseDomainRegistry implements DomainRegi
     public String getRunningMember(String contributionURI, String compositeURI) {
         return LOCAL_MEMBER_NAME;
     }
+
+    @Override
+    public String remoteCommand(String memberName, Callable<String> command) {
+        // TODO or should it just ensure the member name is LocalOnly and the run the command locally?
+        throw new IllegalStateException("not supportted for " + LOCAL_MEMBER_NAME);
+    }
 }