org.apache.cayenne.access.jdbc

Class SoftDeleteBatchQueryBuilder

java.lang.Object

org.apache.cayenne.access.trans.BatchQueryBuilder

org.apache.cayenne.access.trans.DeleteBatchQueryBuilder

org.apache.cayenne.access.jdbc.SoftDeleteBatchQueryBuilder

public class SoftDeleteBatchQueryBuilder
extends DeleteBatchQueryBuilder

Implementation of DeleteBatchQueryBuilder, which uses 'soft' delete (runs UPDATE and sets 'deleted' field to true instead-of running SQL DELETE)

Field Summary

Fields inherited from class org.apache.cayenne.access.trans.BatchQueryBuilder

adapter, trimFunction

Constructor Summary

Constructors

Constructor and Description
SoftDeleteBatchQueryBuilder(DbAdapter adapter, String deletedFieldName)

Method Summary

Methods

Modifier and Type	Method and Description
void	bindParameters(PreparedStatement statement, BatchQuery query) Binds BatchQuery parameters to the PreparedStatement.
String	createSqlString(BatchQuery batch) Translates BatchQuery into an SQL string formatted to use in a PreparedStatement.
protected int	getFirstParameterIndex(BatchQuery query)
protected boolean	needSoftDelete(BatchQuery query)

Methods inherited from class org.apache.cayenne.access.trans.DeleteBatchQueryBuilder

applyQualifier

Methods inherited from class org.apache.cayenne.access.trans.BatchQueryBuilder

appendDbAttribute, getAdapter, getParameterValues, getTrimFunction, setAdapter, setTrimFunction

Methods inherited from class java.lang.Object

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

Constructor Detail

SoftDeleteBatchQueryBuilder

public SoftDeleteBatchQueryBuilder(DbAdapter adapter,
                           String deletedFieldName)

Method Detail

createSqlString

public String createSqlString(BatchQuery batch)
                       throws IOException

Description copied from class: BatchQueryBuilder

Translates BatchQuery into an SQL string formatted to use in a PreparedStatement.

Overrides:

createSqlString in class DeleteBatchQueryBuilder

Throws:

IOException

getFirstParameterIndex

protected int getFirstParameterIndex(BatchQuery query)

Overrides:

getFirstParameterIndex in class DeleteBatchQueryBuilder

Returns:

index of first parameter in delete clause

bindParameters

public void bindParameters(PreparedStatement statement,
                  BatchQuery query)
                    throws SQLException,
                           Exception

Description copied from class: DeleteBatchQueryBuilder

Binds BatchQuery parameters to the PreparedStatement.

Overrides:

bindParameters in class DeleteBatchQueryBuilder

Throws:

SQLException

Exception

needSoftDelete

protected boolean needSoftDelete(BatchQuery query)

Returns:

whether 'soft' deletion should be used