001/* 002 * (C) Copyright 2017 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bdelbosc 018 */ 019package org.nuxeo.lib.stream.pattern.producer; 020 021import java.util.List; 022 023import org.nuxeo.lib.stream.pattern.producer.internals.ProducerRunner; 024 025/** 026 * The return status of a {@link ProducerRunner} 027 * 028 * @since 9.1 029 */ 030public class ProducerStatus { 031 public final long startTime; 032 033 public final long stopTime; 034 035 public final long nbProcessed; 036 037 public final int producer; 038 039 protected final boolean fail; 040 041 public ProducerStatus(int producer, long nbProcessed, long startTime, long stopTime, boolean fail) { 042 this.producer = producer; 043 this.nbProcessed = nbProcessed; 044 this.startTime = startTime; 045 this.stopTime = stopTime; 046 this.fail = fail; 047 } 048 049 @Override 050 public String toString() { 051 if (fail) { 052 return "Producer status FAILURE"; 053 } 054 double elapsed = (stopTime - startTime) / 1000.; 055 double mps = (elapsed != 0) ? nbProcessed / elapsed : 0.0; 056 return String.format("Producer %02d status: messages: %d, elapsed: %.2fs, throughput: %.2f msg/s.", producer, 057 nbProcessed, elapsed, mps); 058 } 059 060 static String toString(List<ProducerStatus> stats) { 061 long startTime = stats.stream().mapToLong(r -> r.startTime).min().orElse(0); 062 long stopTime = stats.stream().mapToLong(r -> r.stopTime).max().orElse(0); 063 double elapsed = (stopTime - startTime) / 1000.; 064 long messages = stats.stream().mapToLong(r -> r.nbProcessed).sum(); 065 double mps = (elapsed != 0) ? messages / elapsed : 0.0; 066 int producers = stats.size(); 067 long failures = stats.stream().filter(s -> s.fail).count(); 068 return String.format( 069 "Producers status: threads: %d, failures: %d, messages: %d, elapsed: %.2fs, throughput: %.2f msg/s", 070 producers, failures, messages, elapsed, mps); 071 072 } 073}