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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/**
 * 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
/**
     * 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;
    }
}