/* Copyright (c) 2001-2010, 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
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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package org.hsqldb;
import org.hsqldb.lib.DoubleIntIndex;
import org.hsqldb.persist.CachedObject;
public interface TransactionManager {
//
public int LOCKS = 0;
public int MVLOCKS = 1;
public int MVCC = 2;
//
public int ACTION_READ = 0;
public int ACTION_DUP = 1;
public int ACTION_REF = 2;
public long getGlobalChangeTimestamp();
public RowAction addDeleteAction(Session session, Table table, Row row,
int[] colMap);
public void addInsertAction(Session session, Table table, Row row);
/**
* add session to the end of queue when a transaction starts
* (depending on isolation mode)
*/
public void beginAction(Session session, Statement cs);
public void beginActionResume(Session session);
public void beginTransaction(Session session);
// functional unit - accessibility of rows
public boolean canRead(Session session, Row row, int mode, int[] colMap);
public boolean canRead(Session session, int id, int mode);
public boolean commitTransaction(Session session);
public void completeActions(Session session);
/**
* Convert row ID's for cached table rows in transactions
*/
public void convertTransactionIDs(DoubleIntIndex lookup);
/**
* Return a lookup of all row ids for cached tables in transactions.
* For auto-defrag, as currently there will be no RowAction entries
* at the time of defrag.
*/
public DoubleIntIndex getTransactionIDList();
public int getTransactionControl();
public boolean isMVRows();
public boolean prepareCommitActions(Session session);
public void rollback(Session session);
public void rollbackAction(Session session);
public void rollbackSavepoint(Session session, int index);
public void setTransactionControl(Session session, int mode);
/**
* add transaction info to a row just loaded from the cache. called only
* for CACHED tables
*/
public void setTransactionInfo(CachedObject object);
/**
* remove the transaction info
*/
public void removeTransactionInfo(CachedObject object);
}