| /* |
| * 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.carbondata.core.stats; |
| |
| import java.io.Serializable; |
| |
| import org.apache.commons.lang3.StringUtils; |
| |
| /** |
| * Wrapper class to maintain the query statistics for each phase of the query |
| */ |
| public class QueryStatistic implements Serializable { |
| |
| /** |
| * serialization id |
| */ |
| private static final long serialVersionUID = -5667106646135905848L; |
| |
| /** |
| * statistic message |
| */ |
| private String message; |
| |
| /** |
| * total time take of the phase |
| */ |
| private long timeTaken; |
| |
| /** |
| * start time of the phase |
| */ |
| private long startTime; |
| |
| /** |
| * number of count |
| */ |
| private long count; |
| |
| public QueryStatistic() { |
| this.startTime = System.currentTimeMillis(); |
| } |
| |
| /** |
| * below method will be used to add the statistic |
| * |
| * @param message Statistic message |
| * @param currentTime current time |
| */ |
| public void addStatistics(String message, long currentTime) { |
| this.timeTaken = currentTime - startTime; |
| this.message = message; |
| } |
| |
| /** |
| * Below method will be used to add fixed time statistic. |
| * For example total time taken for scan or result preparation |
| * |
| * @param message statistic message |
| * @param timeTaken |
| */ |
| public void addFixedTimeStatistic(String message, long timeTaken) { |
| this.timeTaken = timeTaken; |
| this.message = message; |
| } |
| |
| public void addCountStatistic(String message, long count) { |
| this.timeTaken = -1; |
| this.count = count; |
| this.message = message; |
| } |
| |
| /** |
| * Below method will be used to get the statistic message, which will |
| * be used to log |
| * |
| * @param queryWithTaskId query with task id to append in the message |
| * @return statistic message |
| */ |
| public String getStatistics(String queryWithTaskId) { |
| if (StringUtils.isEmpty(queryWithTaskId)) { |
| return message + timeTaken; |
| } |
| return message + " for the task id : " + queryWithTaskId + " Is : " + timeTaken; |
| } |
| |
| public String getMessage() { |
| return this.message; |
| } |
| |
| public long getTimeTaken() { |
| return this.timeTaken; |
| } |
| |
| public long getCount() { |
| return this.count; |
| } |
| |
| public long getStartTime() { |
| return this.startTime; |
| } |
| |
| } |