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84 lines
2.8 KiB
84 lines
2.8 KiB
/*
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* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package javax.sql.rowset.spi;
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import java.sql.SQLException;
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import java.io.Reader;
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import javax.sql.RowSetWriter;
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import javax.sql.rowset.*;
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import java.sql.Savepoint;
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/**
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* A specialized interface that facilitates an extension of the standard
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* <code>SyncProvider</code> abstract class so that it has finer grained
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* transaction control.
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* <p>
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* If one or more disconnected <code>RowSet</code> objects are participating
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* in a global transaction, they may wish to coordinate their synchronization
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* commits to preserve data integrity and reduce the number of
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* synchronization exceptions. If this is the case, an application should set
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* the <code>CachedRowSet</code> constant <code>COMMIT_ON_ACCEPT_CHANGES</code>
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* to <code>false</code> and use the <code>commit</code> and <code>rollback</code>
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* methods defined in this interface to manage transaction boundaries.
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*/
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public interface TransactionalWriter extends RowSetWriter {
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/**
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* Makes permanent all changes that have been performed by the
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* <code>acceptChanges</code> method since the last call to either the
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* <code>commit</code> or <code>rollback</code> methods.
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* This method should be used only when auto-commit mode has been disabled.
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*
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* @throws SQLException if a database access error occurs or the
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* <code>Connection</code> object within this <code>CachedRowSet</code>
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* object is in auto-commit mode
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*/
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public void commit() throws SQLException;
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/**
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* Undoes all changes made in the current transaction. This method should be
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* used only when auto-commit mode has been disabled.
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*
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* @throws SQLException if a database access error occurs or the <code>Connection</code>
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* object within this <code>CachedRowSet</code> object is in auto-commit mode
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*/
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public void rollback() throws SQLException;
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/**
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* Undoes all changes made in the current transaction made prior to the given
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* <code>Savepoint</code> object. This method should be used only when auto-commit
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* mode has been disabled.
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*
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* @param s a <code>Savepoint</code> object marking a savepoint in the current
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* transaction. All changes made before <i>s</i> was set will be undone.
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* All changes made after <i>s</i> was set will be made permanent.
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* @throws SQLException if a database access error occurs or the <code>Connection</code>
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* object within this <code>CachedRowSet</code> object is in auto-commit mode
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*/
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public void rollback(Savepoint s) throws SQLException;
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}
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