| package org.apache.blur.manager.stats; |
| |
| /** |
| * 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. |
| */ |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.blur.thrift.generated.BlurException; |
| import org.apache.blur.thrift.generated.TableStats; |
| import org.apache.blur.utils.BlurExecutorCompletionService; |
| import org.apache.blur.utils.ForkJoin.Merger; |
| |
| |
| public class MergerTableStats implements Merger<TableStats> { |
| |
| private long _timeout; |
| |
| public MergerTableStats(long timeout) { |
| _timeout = timeout; |
| } |
| |
| @Override |
| public TableStats merge(BlurExecutorCompletionService<TableStats> service) throws BlurException { |
| TableStats result = new TableStats(); |
| while (service.getRemainingCount() > 0) { |
| Future<TableStats> tableStats = service.poll(_timeout, TimeUnit.MILLISECONDS, true); |
| TableStats stats = service.getResultThrowException(tableStats); |
| result = merge(result, stats); |
| } |
| return result; |
| } |
| |
| private TableStats merge(TableStats s1, TableStats s2) { |
| s1.tableName = s2.tableName; |
| s1.bytes = s1.bytes + s2.bytes; |
| s1.recordCount = s1.recordCount + s2.recordCount; |
| s1.rowCount = s1.rowCount + s2.rowCount; |
| s1.segmentImportInProgressCount = s1.segmentImportInProgressCount + s2.segmentImportInProgressCount; |
| s1.segmentImportPendingCount = s1.segmentImportPendingCount + s2.segmentImportPendingCount; |
| return s1; |
| } |
| |
| } |