01: /* ====================================================================
02: Licensed to the Apache Software Foundation (ASF) under one or more
03: contributor license agreements. See the NOTICE file distributed with
04: this work for additional information regarding copyright ownership.
05: The ASF licenses this file to You under the Apache License, Version 2.0
06: (the "License"); you may not use this file except in compliance with
07: the License. You may obtain a copy of the License at
08:
09: 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:
18: package org.apache.poi.poifs.filesystem;
19:
20: /**
21: * This interface defines behaviors for objects managed by the Block
22: * Allocation Table (BAT).
23: *
24: * @author Marc Johnson (mjohnson at apache dot org)
25: */
26:
27: public interface BATManaged {
28:
29: /**
30: * Return the number of BigBlock's this instance uses
31: *
32: * @return count of BigBlock instances
33: */
34:
35: public int countBlocks();
36:
37: /**
38: * Set the start block for this instance
39: *
40: * @param index index into the array of BigBlock instances making
41: * up the the filesystem
42: */
43:
44: public void setStartBlock(final int index);
45: } // end public interface BATManaged
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