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    1   /**
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *     http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    *  Unless required by applicable law or agreed to in writing, software
   12    *  distributed under the License is distributed on an "AS IS" BASIS,
   13    *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    *  See the License for the specific language governing permissions and
   15    *  limitations under the License.
   16    */
   17   package org.apache.openejb.server;
   18   
   19   import java.net.URI;
   20   import java.io.IOException;
   21   
   22   /**
   23    * @version $Rev$ $Date$
   24    */
   25   public interface DiscoveryAgent {
   26       /**
   27        * Sets the discovery listener
   28        * @param listener
   29        */
   30       void setDiscoveryListener(DiscoveryListener listener);
   31   
   32       /**
   33        * register a service
   34        * @param serviceUri
   35        * @param details
   36        */
   37       void registerService(URI serviceUri) throws IOException;
   38   
   39       /**
   40        * register a service
   41        * @param serviceUri
   42        * @param details
   43        */
   44       void unregisterService(URI serviceUri) throws IOException;
   45   
   46       /**
   47        * A process actively using a service may see it go down before the DiscoveryAgent notices the
   48        * service's failure.  That process can use this method to notify the DiscoveryAgent of the failure
   49        * so that other listeners of this DiscoveryAgent can also be made aware of the failure.
   50        */
   51       void reportFailed(URI serviceUri) throws IOException;
   52   
   53   }

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