1 files changed, 72 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M3-RC3a/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/ConstrainingType.java b/tags/java/sca/2.0-M3-RC3a/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/ConstrainingType.java
new file mode 100644
index 0000000000..74c2e70d30
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC3a/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/ConstrainingType.java
@@ -0,0 +1,72 @@
+/*
+ * 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.assembly;
+
+import java.util.List;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.policy.PolicySubject;
+
+/**
+ * A constrainingType provides the "shape" for a component and its
+ * implementation. Any component configuration that points to a constrainingType
+ * is constrained by this shape. The constrainingType specifies the services,
+ * references and properties that must be implemented.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface ConstrainingType extends Base, Extensible, PolicySubject {
+
+    /**
+     * Returns the name of the constrainingType.
+     * 
+     * @return the name of the constrainingType
+     */
+    QName getName();
+
+    /**
+     * Sets the name of the constrainingType.
+     * 
+     * @param name the name of the constrainingType
+     */
+    void setName(QName name);
+
+    /**
+     * Returns a list of services that are offered.
+     * 
+     * @return a list of services that are offered
+     */
+    List<AbstractService> getServices();
+
+    /**
+     * Returns the list of references that are used.
+     * 
+     * @return the list of references that are used
+     */
+    List<AbstractReference> getReferences();
+
+    /**
+     * Returns the list of properties that can be set.
+     * 
+     * @return the list of properties that can be set
+     */
+    List<AbstractProperty> getProperties();
+
+}