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HSQLDB example source code file (RowOutputTextLog.java)
The HSQLDB RowOutputTextLog.java source code/* Copyright (c) 2001-2008, The HSQL Development Group * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the HSQL Development Group nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.hsqldb.rowio; import java.math.BigDecimal; import java.sql.Date; import java.sql.Time; import java.sql.Timestamp; import org.hsqldb.CachedRow; import org.hsqldb.Column; import org.hsqldb.HsqlDateTime; import org.hsqldb.lib.StringConverter; import org.hsqldb.types.Binary; import org.hsqldb.types.JavaObject; /** * @author fredt@users * @since 1.7.2 * @version 1.7.2 */ public class RowOutputTextLog extends RowOutputBase { static final byte[] BYTES_NULL = "NULL".getBytes(); static final byte[] BYTES_TRUE = "TRUE".getBytes(); static final byte[] BYTES_FALSE = "FALSE".getBytes(); static final byte[] BYTES_AND = " AND ".getBytes(); static final byte[] BYTES_IS = " IS ".getBytes(); public static final int MODE_DELETE = 1; public static final int MODE_INSERT = 0; private boolean isWritten; private int logMode; public void setMode(int mode) { logMode = mode; } protected void writeFieldPrefix() { if (logMode == MODE_DELETE && isWritten) { write(BYTES_AND); } } protected void writeChar(String s, int t) { write('\''); StringConverter.unicodeToAscii(this, s, true); write('\''); } protected void writeReal(Double o, int type) { writeBytes(Column.createSQLString(((Number) o).doubleValue())); } protected void writeSmallint(Number o) { this.writeBytes(o.toString()); } public void writeEnd() {} protected void writeTime(Time o) { write('\''); writeBytes(o.toString()); write('\''); } protected void writeBinary(Binary o, int t) { ensureRoom(o.getBytesLength() * 2 + 2); write('\''); StringConverter.writeHex(getBuffer(), count, o.getBytes()); count += o.getBytesLength() * 2; write('\''); } public void writeType(int type) {} public void writeSize(int size) {} protected void writeDate(Date o) { write('\''); this.writeBytes(o.toString()); write('\''); } public int getSize(CachedRow row) { return 0; } protected void writeInteger(Number o) { this.writeBytes(o.toString()); } protected void writeBigint(Number o) { this.writeBytes(o.toString()); } //fredt@users - patch 1108647 by nkowalcz@users (NataliaK) fix for IS NULL protected void writeNull(int type) { if (logMode == MODE_DELETE) { write(BYTES_IS); } else if (isWritten) { write(','); } isWritten = true; write(BYTES_NULL); } protected void writeOther(JavaObject o) { ensureRoom(o.getBytesLength() * 2 + 2); write('\''); StringConverter.writeHex(getBuffer(), count, o.getBytes()); count += o.getBytesLength() * 2; write('\''); } public void writeString(String value) { StringConverter.unicodeToAscii(this, value, false); } protected void writeBit(Boolean o) { write(o.booleanValue() ? BYTES_TRUE : BYTES_FALSE); } protected void writeDecimal(BigDecimal o) { this.writeBytes(o.toString()); } protected void writeFieldType(int type) { if (logMode == MODE_DELETE) { write('='); } else if (isWritten) { write(','); } isWritten = true; } public void writeLongData(long value) { this.writeBytes(Long.toString(value)); } public void writeIntData(int i, int position) {} protected void writeTimestamp(Timestamp o) { write('\''); this.writeBytes(HsqlDateTime.getTimestampString(o)); write('\''); } public void writeShortData(short i) { writeBytes(Integer.toString(i)); } public void writeIntData(int i) { writeBytes(Integer.toString(i)); } public void reset() { super.reset(); isWritten = false; } } Other HSQLDB examples (source code examples)Here is a short list of links related to this HSQLDB RowOutputTextLog.java source code file: |
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