X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=trunk%2Fsystem%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2FComponent.java;h=22ad381e0a073c1175241140ea41236195d9be1a;hb=aa75194699aacf96259159537f541b05da11825e;hp=6a31e01d61748002d63a435ac0da55f56ca66733;hpb=b3b089769ce42270c3915f80d056a7955309ce3a;p=utils

diff --git a/trunk/system/general/src/main/java/org/wamblee/system/Component.java b/trunk/system/general/src/main/java/org/wamblee/system/Component.java
index 6a31e01d..22ad381e 100644
--- a/trunk/system/general/src/main/java/org/wamblee/system/Component.java
+++ b/trunk/system/general/src/main/java/org/wamblee/system/Component.java
@@ -1,3 +1,18 @@
+/*
+ * 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;
 
 /**
@@ -8,6 +23,16 @@ package org.wamblee.system;
  */
 public interface Component {
 	
+	enum Status { 
+		NOT_STARTED, RUNNING, STOPPED
+	}
+	
+	/**
+	 * Gets the status of the component. 
+	 * @return Status. 
+	 */
+	Status getStatus();
+	
 	/**
 	 * Gets the name of the subsystem.
 	 * @return Subsystem name. 
@@ -18,24 +43,21 @@ public interface Component {
 	 * Gets a description of the provided interfaces. 
 	 * @return Provided interfaces. 
 	 */
-	ProvidedInterfaceDescriptor[] getProvidedServices();
+	ProvidedInterface[] getProvidedServices();
 	
 	/**
 	 * Gets a description of the required interfaces. 
 	 * @return Required interfaces. 
 	 */
-	RequiredInterfaceDescriptor[] getRequiredServices();
+	RequiredInterface[] getRequiredServices();
 
 	
 	/**
 	 * Initialises the subsytem by starting all the services that
 	 * it described as provided. 
-	 * @param aContext Unique name for the subsystem. 
-	 * @param aRequiredServices Running services from other 
-	 * subsystems that are required by this subsystem. 
-	 * @return Services that are running in the subsystem. 
+	 * @param aContext Unique name for the subsystem.  
 	 */
-	Service[] start(String aContext, Service[] aRequiredServices);
+	void start(String aContext);
 	
 	/**
 	 * Stops a subsystem. 
@@ -49,5 +71,5 @@ public interface Component {
 	 * {@link #initialize(String, Service[])} has been called. 
 	 * @return
 	 */
-	Service[] getRunningServices();
+	ProvidedInterface[] getRunningServices();
 }