1 /*--------------------------------------------------------------------------
2 * Copyright 2009 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 // GenomeSequence.java
20 // Since: Feb 22, 2010
21 //
22 // $URL$
23 // $Author$
24 //--------------------------------------
25 package org.utgenome.format.fasta;
26
27 /**
28 * A common interface of genome sequences
29 *
30 * @author leo
31 *
32 */
33 public interface GenomeSequence {
34
35 public int length();
36
37 /**
38 * @param index
39 * index on the genome sequence (0-origin)
40 * @return
41 */
42 public char charAt(int index);
43 }