/* * 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.iterate; import org.apache.hadoop.hbase.HRegionLocation; import org.apache.phoenix.compile.StatementContext; import java.sql.SQLException; import java.util.List; import java.util.concurrent.atomic.AtomicInteger; /** * ParallelScanGrouper implementation used for testing Phoenix-MapReduce Integration */ public class TestingMapReduceParallelScanGrouper extends MapReduceParallelScanGrouper { private static final AtomicInteger numCallsToGetRegionBoundaries = new AtomicInteger(0); private static final TestingMapReduceParallelScanGrouper INSTANCE = new TestingMapReduceParallelScanGrouper(); public static TestingMapReduceParallelScanGrouper getInstance() { return INSTANCE; } @Override public List<HRegionLocation> getRegionBoundaries(StatementContext context, byte[] tableName) throws SQLException { List<HRegionLocation> regionLocations = super.getRegionBoundaries(context, tableName); numCallsToGetRegionBoundaries.incrementAndGet(); return regionLocations; } public static int getNumCallsToGetRegionBoundaries() { return numCallsToGetRegionBoundaries.get(); } public static void clearNumCallsToGetRegionBoundaries() { numCallsToGetRegionBoundaries.set(0); } }