Java tutorial
/* * 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.phoenix.hbase.index.write; import java.io.IOException; import org.apache.hadoop.hbase.Stoppable; import org.apache.hadoop.hbase.client.Mutation; import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment; import org.apache.phoenix.hbase.index.table.HTableInterfaceReference; import org.apache.phoenix.util.ServerUtil; import com.google.common.collect.Multimap; /** * * Implementation of IndexFailurePolicy which takes no action when an * index cannot be updated. As with the standard flow of control, an * exception will still be thrown back to the client. Using this failure * policy means that the action to take upon failure is completely up * to the client. * */ public class LeaveIndexActiveFailurePolicy implements IndexFailurePolicy { @Override public boolean isStopped() { return false; } @Override public void stop(String arg0) { } @Override public void setup(Stoppable parent, RegionCoprocessorEnvironment env) { } @Override public void handleFailure(Multimap<HTableInterfaceReference, Mutation> attempted, Exception cause) throws IOException { // get timestamp of first cell long ts = attempted.values().iterator().next().getFamilyCellMap().values().iterator().next().get(0) .getTimestamp(); throw ServerUtil.wrapInDoNotRetryIOException( "Unable to update the following indexes: " + attempted.keySet(), cause, ts); } }