/** * 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.hadoop.hdfs.notifier.server; import org.apache.hadoop.hdfs.notifier.ClientConnectionException; import org.apache.hadoop.hdfs.notifier.ClientNotSubscribedException; import org.apache.hadoop.hdfs.notifier.InvalidClientIdException; import org.apache.hadoop.hdfs.notifier.NamespaceEvent; import org.apache.hadoop.hdfs.notifier.RampUpException; import org.apache.hadoop.hdfs.notifier.ServerHandler; import org.apache.hadoop.hdfs.notifier.TransactionIdTooOldException; import org.apache.thrift.TException; public class EmptyServerHandler implements ServerHandler.Iface { @Override public void subscribe(long clientId, NamespaceEvent subscribedEvent, long txId) throws InvalidClientIdException, TransactionIdTooOldException, TException {} @Override public void unsubscribe(long clientId, NamespaceEvent subscribedEvent) throws InvalidClientIdException, ClientNotSubscribedException, TException {} @Override public void registerClient(String host, int port, long token) throws RampUpException, ClientConnectionException, TException {} @Override public void unregisterClient(long clientId) throws InvalidClientIdException, TException {} }