01: /* Copyright (c) 2001-2005, The HSQL Development Group
02: * All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * Redistributions of source code must retain the above copyright notice, this
08: * list of conditions and the following disclaimer.
09: *
10: * Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * Neither the name of the HSQL Development Group nor the names of its
15: * contributors may be used to endorse or promote products derived from this
16: * software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
22: * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30:
31: package org.hsqldb.rowio;
32:
33: import org.hsqldb.CachedRow;
34: import org.hsqldb.Table;
35: import org.hsqldb.lib.HashMappedList;
36: import org.hsqldb.lib.HsqlByteArrayOutputStream;
37:
38: /**
39: * Public interface for writing the data for a database row.
40: *
41: * @author sqlbob@users (RMP)
42: * @author fredt@users
43: * @version 1.7.2
44: * @since 1.7.0
45: */
46: public interface RowOutputInterface {
47:
48: void writeEnd();
49:
50: void writeSize(int size);
51:
52: void writeType(int type);
53:
54: void writeString(String value);
55:
56: void writeShortData(short i);
57:
58: void writeIntData(int i);
59:
60: void writeIntData(int i, int position);
61:
62: void writeLongData(long i);
63:
64: void writeRow(Object[] data, Table t);
65:
66: void writeData(Object[] data, Table t);
67:
68: void writeData(int l, int[] types, Object[] data,
69: HashMappedList cols, int[] primarykeys);
70:
71: // independent of the this object, calls only a static method
72: int getSize(CachedRow row);
73:
74: // returns the underlying HsqlByteArrayOutputStream
75: HsqlByteArrayOutputStream getOutputStream();
76:
77: // resets the byte[] buffer, ready for processing new row
78: void reset();
79:
80: // returns the current size
81: int size();
82: }
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