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ActiveMQ example source code file (HashEntry.java)
The ActiveMQ HashEntry.java source code/** * 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.activemq.kaha.impl.index.hash; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import org.apache.activemq.kaha.Marshaller; /** * Key and index for DiskBased Hash Index * * */ class HashEntry implements Comparable { static final int NOT_SET = -1; private Comparable key; private long indexOffset; public int compareTo(Object o) { if (o instanceof HashEntry) { HashEntry other = (HashEntry)o; return key.compareTo(other.key); } else { return key.compareTo(o); } } public boolean equals(Object o) { return compareTo(o) == 0; } public int hashCode() { return key.hashCode(); } public String toString() { return "HashEntry(" + key + "," + indexOffset + ")"; } HashEntry copy() { HashEntry copy = new HashEntry(); copy.key = this.key; copy.indexOffset = this.indexOffset; return copy; } /** * @return the key */ Comparable getKey() { return this.key; } /** * @param key the key to set */ void setKey(Comparable key) { this.key = key; } /** * @return the indexOffset */ long getIndexOffset() { return this.indexOffset; } /** * @param indexOffset the indexOffset to set */ void setIndexOffset(long indexOffset) { this.indexOffset = indexOffset; } void write(Marshaller keyMarshaller, DataOutput dataOut) throws IOException { dataOut.writeLong(indexOffset); keyMarshaller.writePayload(key, dataOut); } void read(Marshaller keyMarshaller, DataInput dataIn) throws IOException { indexOffset = dataIn.readLong(); key = (Comparable)keyMarshaller.readPayload(dataIn); } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ HashEntry.java source code file: |
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