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ActiveMQ example source code file (Page.java)
The ActiveMQ Page.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.kahadb.page; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.apache.kahadb.util.ByteSequence; import org.apache.kahadb.util.DataByteArrayInputStream; import org.apache.kahadb.util.DataByteArrayOutputStream; import org.apache.kahadb.util.Marshaller; /** * A Page within a file. * * */ public class Page<T> { public static final int PAGE_HEADER_SIZE = 21; public static final byte PAGE_FREE_TYPE = 0; public static final byte PAGE_PART_TYPE = 1; public static final byte PAGE_END_TYPE = 2; long pageId; // The following fields are persisted byte type = PAGE_FREE_TYPE; long txId; // A field reserved to hold checksums.. Not in use (yet) int checksum; // Points to the next page in the chunk stream long next; T data; public Page() { } public Page(long pageId) { this.pageId=pageId; } public void copy(Page<T> other) { this.pageId = other.pageId; this.txId = other.txId; this.type = other.type; this.next = other.next; this.data = other.data; } Page<T> copy() { Page<T> rc = new Page Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ Page.java source code file: |
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