Package org.datanucleus.store.rdbms

Class DeleteTablesSchemaTransaction

java.lang.Object

org.datanucleus.store.rdbms.AbstractSchemaTransaction

org.datanucleus.store.rdbms.DeleteTablesSchemaTransaction

public class DeleteTablesSchemaTransaction
extends AbstractSchemaTransaction

Schema transaction for deleting all known tables/views.

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.AbstractSchemaTransaction

isolationLevel, maxRetries, mconn, rdbmsMgr

Constructor Summary

Constructors

Constructor	Description
DeleteTablesSchemaTransaction(RDBMSStoreManager rdbmsMgr, int isolationLevel, org.datanucleus.store.StoreDataManager dataMgr)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected void	run(org.datanucleus.ClassLoaderResolver clr)	Implements the body of the transaction.
void	setWriter(Writer writer)
String	toString()	Returns a description of the management transaction.

Methods inherited from class org.datanucleus.store.rdbms.AbstractSchemaTransaction

execute, getCurrentConnection

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DeleteTablesSchemaTransaction

public DeleteTablesSchemaTransaction(RDBMSStoreManager rdbmsMgr,
                                     int isolationLevel,
                                     org.datanucleus.store.StoreDataManager dataMgr)

Constructor.

Parameters:

rdbmsMgr - Store manager

isolationLevel - Connection isolation level

dataMgr - StoreData manager

Method Detail

setWriter

public void setWriter(Writer writer)

run

protected void run(org.datanucleus.ClassLoaderResolver clr)
            throws SQLException

Description copied from class: AbstractSchemaTransaction

Implements the body of the transaction.

Specified by:

run in class AbstractSchemaTransaction

Parameters:

clr - the ClassLoaderResolver

Throws:

SQLException - Thrown if the transaction fails due to a database error that should allow the entire transaction to be retried.

toString

public String toString()

Description copied from class: AbstractSchemaTransaction

Returns a description of the management transaction. Subclasses should override this method so that transaction failures are given an appropriate exception message.

Specified by:

toString in class AbstractSchemaTransaction

Returns:

A description of the management transaction.