Package org.datanucleus.store.rdbms

Class ValidateTableSchemaTransaction

java.lang.Object

org.datanucleus.store.rdbms.AbstractSchemaTransaction

org.datanucleus.store.rdbms.ValidateTableSchemaTransaction

public class ValidateTableSchemaTransaction
extends AbstractSchemaTransaction

Schema transaction to validate the specified table. This is useful where we have made an update to the columns in a table and want to apply the updates to the datastore.

Field Summary

Fields

Modifier and Type	Field	Description
protected TableImpl	table	Table to be validated.

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

isolationLevel, maxRetries, mconn, rdbmsMgr

Constructor Summary

Constructors

Constructor	Description
ValidateTableSchemaTransaction(RDBMSStoreManager rdbmsMgr, int isolationLevel, TableImpl table)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected void	run(org.datanucleus.ClassLoaderResolver clr)	Implements the body of the transaction.
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

Field Detail

table

protected TableImpl table

Table to be validated.

Constructor Detail

ValidateTableSchemaTransaction

public ValidateTableSchemaTransaction(RDBMSStoreManager rdbmsMgr,
                                      int isolationLevel,
                                      TableImpl table)

Constructor.

Parameters:

rdbmsMgr - Store Manager

isolationLevel - Connection isolation level

table - The table to validate

Method Detail

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.