de.must.dataobj

Class BinaryTransfer

java.lang.Object

de.must.dataobj.BinaryTransfer

public class BinaryTransfer
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
BinaryTransfer(java.lang.String commandForLoading, java.lang.String commandForSaving) Constructs a binary transfer class.

Method Summary

Modifier and Type	Method and Description
void	discardStatements()
boolean	transfer(int id, java.sql.Connection connection) Transfers binary date from one table to another.
boolean	transfer(int fromId, int toId, java.sql.Connection connection) Transfers binary date from one table to another.

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryTransfer

public BinaryTransfer(java.lang.String commandForLoading,
                      java.lang.String commandForSaving)

Constructs a binary transfer class.

Parameters:

commandForLoading - command for loading binary data, e.g "select binaryColumn from sourceTable where binaryColumn is not null and uniqueKeyColumn = ?"

commandForSaving - command for saving binary data, e.g "update targetTable set binaryColumn = ? where uniqueKeyColumn = ?"

See Also:

DataUtil.moveCorr(DataObject, DataObject), DataUtil.transferValue(String, String, String, IdentifyTemplate, Identifier, Connection)

Method Detail

transfer

public boolean transfer(int id,
                        java.sql.Connection connection)

Transfers binary date from one table to another.

Parameters:

connection - the connection to use for binary transfer

id - the unique key value of the source and target tables - if identical

Returns:

true if transfer has been performed successfully

transfer

public boolean transfer(int fromId,
                        int toId,
                        java.sql.Connection connection)

Transfers binary date from one table to another.

Parameters:

connection - the connection to use for binary transfer

fromId - the unique key value of the source table

toId - the unique key value of the target table

Returns:

true if transfer has been performed successfully

discardStatements

public void discardStatements()