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1   /*--------------------------------------------------------------------------
2    *  Copyright 2010 utgenome.org
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License");
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   *  distributed under the License is distributed on an "AS IS" BASIS,
12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *  See the License for the specific language governing permissions and
14   *  limitations under the License.
15   *--------------------------------------------------------------------------*/
16  //--------------------------------------
17  // utgb-core Project
18  //
19  // LongArray.java
20  // Since: 2010/10/27
21  //
22  //--------------------------------------
23  package org.utgenome.util.aligner;
24  
25  /**
26   * Uint32 value
27   * 
28   * @author leo
29   * 
30   */
31  public class UInt32 implements Comparable<UInt32> {
32  
33  	private final byte[] value;
34  
35  	public UInt32(long v) {
36  		value = new byte[4];
37  		value[0] = (byte) ((v >> 24) & 0xFF);
38  		value[1] = (byte) ((v >> 16) & 0xFF);
39  		value[2] = (byte) ((v >> 8) & 0xFF);
40  		value[3] = (byte) (v & 0xFF);
41  	}
42  
43  	public int compareTo(UInt32 o) {
44  		for (int i = 0; i < 4; ++i) {
45  			int left = value[i] & 0xFF;
46  			int right = o.value[i] & 0xFF;
47  			int diff = left - right;
48  			if (diff != 0)
49  				return diff;
50  		}
51  		return 0;
52  	}
53  
54  	public long toLong() {
55  		long v = 0;
56  		for (int i = 0; i < 3; i++) {
57  			v |= value[i] & 0xFF;
58  			v <<= 8;
59  		}
60  		v |= value[3] & 0xFF;
61  		return v;
62  	}
63  
64  	@Override
65  	public String toString() {
66  		return Long.toString(toLong());
67  	}
68  
69  }