1 /* Copyright (c) 2001-2014, The HSQL Development Group 2 * All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 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 32 package org.hsqldb; 33 34 /** 35 * Represents a single insert / delete / rollback / commit action on a row. 36 * 37 * type = type of action 38 * actionTimestamp = timestamp of end of SQL action; 0 if action not complete 39 * commitTimestamp = timestamp of commit or rollback; 0 if not committed/rolledback 40 * rolledBack = flag for rolled back actions 41 * next = next action in linked list; 42 * 43 * timestamps are not in any order 44 * 45 * @author Fred Toussi (fredt@users dot sourceforge dot net) 46 * @version 2.3.2 47 48 * @since 2.0.0 49 */ 50 public class RowActionBase { 51 52 public static final byte ACTION_NONE = 0; 53 public static final byte ACTION_INSERT = 1; 54 public static final byte ACTION_DELETE = 2; 55 public static final byte ACTION_DELETE_FINAL = 3; 56 public static final byte ACTION_INSERT_DELETE = 4; 57 public static final byte ACTION_REF = 5; 58 public static final byte ACTION_CHECK = 6; 59 public static final byte ACTION_DEBUG = 7; 60 61 // 62 RowActionBase next; 63 Session session; 64 long actionTimestamp; 65 long commitTimestamp; 66 byte type; 67 boolean deleteComplete; 68 boolean rolledback; 69 boolean prepared; 70 int[] changeColumnMap; 71 RowActionBase()72 RowActionBase() {} 73 74 /** 75 * constructor, used for delete actions only 76 */ RowActionBase(Session session, byte type)77 RowActionBase(Session session, byte type) { 78 79 this.session = session; 80 this.type = type; 81 actionTimestamp = session.actionTimestamp; 82 } 83 setAsAction(RowActionBase action)84 void setAsAction(RowActionBase action) { 85 86 next = action.next; 87 session = action.session; 88 actionTimestamp = action.actionTimestamp; 89 commitTimestamp = action.commitTimestamp; 90 type = action.type; 91 deleteComplete = action.deleteComplete; 92 rolledback = action.rolledback; 93 prepared = action.prepared; 94 changeColumnMap = action.changeColumnMap; 95 } 96 } 97