Interface TransactionalWriter

All Superinterfaces:: RowSetWriter

public interface TransactionalWriter extends RowSetWriter

A specialized interface that facilitates an extension of the standard SyncProvider abstract class so that it has finer grained transaction control.

If one or more disconnected RowSet objects are participating in a global transaction, they may wish to coordinate their synchronization commits to preserve data integrity and reduce the number of synchronization exceptions. If this is the case, an application should set the CachedRowSet constant COMMIT_ON_ACCEPT_CHANGES to false and use the commit and rollback methods defined in this interface to manage transaction boundaries.

Since:: 1.5

Method Summary

Modifier and Type	Method	Description
`void`	`commit()`	Makes permanent all changes that have been performed by the `acceptChanges` method since the last call to either the `commit` or `rollback` methods.
`void`	`rollback()`	Undoes all changes made in the current transaction.
`void`	`rollback(Savepoint s)`	Undoes all changes made in the current transaction made prior to the given `Savepoint` object.

Methods declared in interface RowSetWriter

writeData

Modifier and Type	Method	Description
`boolean`	`writeData(RowSetInternal caller)`	Writes the changes in this `RowSetWriter` object's rowset back to the data source from which it got its data.

Method Details

commit

void commit() throws SQLException

Makes permanent all changes that have been performed by the acceptChanges method since the last call to either the commit or rollback methods. This method should be used only when auto-commit mode has been disabled.

Throws:: SQLException - if a database access error occurs or the Connection object within this CachedRowSet object is in auto-commit mode

rollback

void rollback() throws SQLException

Undoes all changes made in the current transaction. This method should be used only when auto-commit mode has been disabled.

Throws:: SQLException - if a database access error occurs or the Connection object within this CachedRowSet object is in auto-commit mode

rollback

void rollback(Savepoint s) throws SQLException

Undoes all changes made in the current transaction made prior to the given Savepoint object. This method should be used only when auto-commit mode has been disabled.

Parameters:: s - a Savepoint object marking a savepoint in the current transaction. All changes made before s was set will be undone. All changes made after s was set will be made permanent.
Throws:: SQLException - if a database access error occurs or the Connection object within this CachedRowSet object is in auto-commit mode

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