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.ecm.platform.importer.mqueues.mqueues; 020 021/** 022 * @since 9.1 023 */ 024public class CQOffset implements Offset { 025 private final long offset; 026 private final int queue; 027 028 public CQOffset(int queue, long offset) { 029 this.queue = queue; 030 this.offset = offset; 031 } 032 033 public long getOffset() { 034 return offset; 035 } 036 037 public int getQueue() { 038 return queue; 039 } 040 041 @Override 042 public String toString() { 043 return String.format("CQOffset(%d, %d)", queue, offset); 044 } 045 046 @Override 047 public boolean equals(Object o) { 048 if (this == o) return true; 049 if (o == null || getClass() != o.getClass()) return false; 050 051 CQOffset cqOffset = (CQOffset) o; 052 053 if (queue != cqOffset.queue) return false; 054 return offset == cqOffset.offset; 055 } 056 057 @Override 058 public int hashCode() { 059 int result = (int) (offset ^ (offset >>> 32)); 060 result = 31 * result + queue; 061 return result; 062 } 063 064 @Override 065 public int compareTo(Offset o) { 066 if (this == o) return 0; 067 if (o == null || getClass() != o.getClass()) { 068 throw new IllegalArgumentException("Can not compare offsets with different classes"); 069 } 070 CQOffset cqOffset = (CQOffset) o; 071 if (queue != cqOffset.queue) { 072 throw new IllegalArgumentException("Can not compare offsets from different queues"); 073 } 074 return (int) (offset - cqOffset.offset); 075 } 076}