com.sun.jdo.spi.persistence.support.sqlstore.database

Class BaseSpecialDBOperation

java.lang.Object

com.sun.jdo.spi.persistence.support.sqlstore.database.BaseSpecialDBOperation

All Implemented Interfaces:

SpecialDBOperation

Direct Known Subclasses:

OracleSpecialDBOperation

public class BaseSpecialDBOperation
extends Object
implements SpecialDBOperation

BaseSpecialDBOperation is the base class for all classes implementing DBSpecificOperation.

Author:

Shing Wai Chan

Constructor Summary

Constructors

Constructor and Description
BaseSpecialDBOperation()

Method Summary

Modifier and Type	Method and Description
void	bindFixedCharColumn(PreparedStatement ps, int index, String strVal, int length) Binds specified value to parameter at specified index that is bound to CHAR column.
void	defineColumnTypeForResult(PreparedStatement ps, List columns) Defines column type for result.
void	initialize(DatabaseMetaData metaData, String identifier) This method is called immediately after an instance implementing this interface is created.

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseSpecialDBOperation

public BaseSpecialDBOperation()

Method Detail

initialize

public void initialize(DatabaseMetaData metaData,
                       String identifier)
                throws SQLException

Description copied from interface: SpecialDBOperation

This method is called immediately after an instance implementing this interface is created. The implementation can initialize itself using supplied metaData.

Specified by:

initialize in interface SpecialDBOperation

Parameters:

metaData - DatbaseMetaData of the database for which an instance implementing this interface is ingratiated.

identifier - Identifier of object used to obtain databaseMetaData. This can be null in non managed environment.

Throws:

SQLException

defineColumnTypeForResult

public void defineColumnTypeForResult(PreparedStatement ps,
                                      List columns)
                               throws SQLException

Description copied from interface: SpecialDBOperation

Defines column type for result.

Specified by:

defineColumnTypeForResult in interface SpecialDBOperation

Parameters:

ps - java.sql.PreparedStatement

columns - List of ColumnElement corresponding to select clause

Throws:

SQLException

bindFixedCharColumn

public void bindFixedCharColumn(PreparedStatement ps,
                                int index,
                                String strVal,
                                int length)
                         throws SQLException

Description copied from interface: SpecialDBOperation

Binds specified value to parameter at specified index that is bound to CHAR column.

Specified by:

bindFixedCharColumn in interface SpecialDBOperation

Parameters:

ps - java.sql.PreparedStatement

index - Index of paramater marker in ps.

strVal - value that needs to bound.

length - length of the column to which strVal is bound.

Throws:

SQLException