--- /dev/null
+/*
+ * Copyright 2007 the original author or authors.
+ *
+ * Licensed 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.wamblee.system.core;
+
+import java.util.Collection;
+
+/**
+ * Represents an interface provided by a component.
+ *
+ * @author Erik Brakkee
+ */
+public interface ProvidedInterface {
+
+ /**
+ * Symbolic name for the service as used by the subsystem.
+ * @return Service name.
+ */
+ String getName();
+
+ /**
+ * Returns the service type.
+ * @return Service type.
+ */
+ Class[] getInterfaceTypes();
+
+ /**
+ * Publish an implementation of the interface.
+ * @param aImplementation
+ */
+ void publish(Object aImplementation);
+
+ /**
+ * Gets the implementation.
+ * @return Implementation or null if not started.
+ */
+ Object getImplementation();
+}