/* Copyright (c) 2001-2014, 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;
/**
* Represents a single insert / delete / rollback / commit action on a row.
*
* type = type of action
* actionTimestamp = timestamp of end of SQL action; 0 if action not complete
* commitTimestamp = timestamp of commit or rollback; 0 if not committed/rolledback
* rolledBack = flag for rolled back actions
* next = next action in linked list;
*
* timestamps are not in any order
*
* @author Fred Toussi (fredt@users dot sourceforge dot net)
* @version 2.3.2
* @since 2.0.0
*/
public class
RowActionBase {
public static final byte
ACTION_NONE = 0;
public static final byte
ACTION_INSERT = 1;
public static final byte
ACTION_DELETE = 2;
public static final byte
ACTION_DELETE_FINAL = 3;
public static final byte
ACTION_INSERT_DELETE = 4;
public static final byte
ACTION_REF = 5;
public static final byte
ACTION_CHECK = 6;
public static final byte
ACTION_DEBUG = 7;
//
RowActionBase next;
Session session;
long
actionTimestamp;
long
commitTimestamp;
byte
type;
boolean
deleteComplete;
boolean
rolledback;
boolean
prepared;
int[]
changeColumnMap;
RowActionBase() {}
/**
* constructor, used for delete actions only
*/
RowActionBase(
Session session, byte
type) {
this.
session =
session;
this.
type =
type;
actionTimestamp =
session.
actionTimestamp;
}
void
setAsAction(
RowActionBase action) {
next =
action.
next;
session =
action.
session;
actionTimestamp =
action.
actionTimestamp;
commitTimestamp =
action.
commitTimestamp;
type =
action.
type;
deleteComplete =
action.
deleteComplete;
rolledback =
action.
rolledback;
prepared =
action.
prepared;
changeColumnMap =
action.
changeColumnMap;
}
}