1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.activemq.kaha.impl.data;
18
19 /**
20 * A a wrapper for a data in the store
21 *
22 * @version $Revision: 1.2 $
23 */
24 public interface Item {
25 long POSITION_NOT_SET = -1;
26 short MAGIC = 31317;
27 int ACTIVE = 22;
28 int FREE = 33;
29 int LOCATION_SIZE = 24;
30 }