| /* |
| * 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.geode.distributed.internal; |
| |
| import java.nio.ByteBuffer; |
| |
| /** |
| * Used to uniquely identify a conflatable message. If two messages have keys that are equal then |
| * the latter message can replace (i.e. conflate) the earlier message. |
| * |
| * @since GemFire 4.2.1 |
| */ |
| public class ConflationKey { |
| private final Object entryKey; |
| private final String regionPath; |
| private final boolean allowsConflation; |
| private ByteBuffer buffer; |
| |
| /** |
| * Create a new conflation key given its entry key and region |
| */ |
| public ConflationKey(Object entryKey, String regionPath, boolean allowsConflation) { |
| this.entryKey = entryKey; |
| this.regionPath = regionPath; |
| this.allowsConflation = allowsConflation; |
| } |
| |
| @Override |
| public int hashCode() { |
| // Note: we intentionally leave out buffer and allowsConflation |
| return this.entryKey.hashCode() ^ this.regionPath.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| // Note: we intentionally leave out buffer and allowsConflation |
| boolean result = false; |
| if (obj != null) { |
| if (obj instanceof ConflationKey) { |
| ConflationKey other = (ConflationKey) obj; |
| result = this.regionPath.equals(other.regionPath) && this.entryKey.equals(other.entryKey); |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer result = new StringBuffer(128); |
| result.append(this.regionPath).append('/').append(this.entryKey); |
| return result.toString(); |
| } |
| |
| public ByteBuffer getBuffer() { |
| return this.buffer; |
| } |
| |
| public void setBuffer(ByteBuffer bb) { |
| this.buffer = bb; |
| } |
| |
| /** |
| * Returns true if this key (and the operation that generated it) allows conflation; returns false |
| * if it does not support conflation. Retur |
| */ |
| public boolean allowsConflation() { |
| return this.allowsConflation; |
| } |
| } |