oracle.jbo.domain
Interface BlobDomainInterface

All Superinterfaces:

DomainInterface

All Known Subinterfaces:

LobInterface, LobStreamInterface

public interface BlobDomainInterface

extends DomainInterface

Provides methods to save data to, and extract data from, LOB domain classes. These methods are implemented by all LOB-based domain classes: BlobDomain, BFileDomain, and ClobDomain.

Domain classes encapsulate Oracle SQL datatypes. Domain objects can be converted to the standard JDBC data types.

Since:

JDevloper 3.0

See Also:

TypeFactory, "JboDomainValidator"

Method Summary

Type	Method
void	loadFromDatabase(Transaction transaction)
void	prepareForDML(java.lang.Object context) Internal: Applications should not use this method.
void	saveToDatabase(Transaction transaction)
void	saveToDatabase(Transaction transaction, java.lang.Object emptySQLObject) Internal: Applications should not use this method.

Methods inherited from interface oracle.jbo.domain.DomainInterface

getData, setContext

Method Detail

loadFromDatabase

public void loadFromDatabase(Transaction transaction)
                      throws java.lang.Exception

Parameters:

transaction - the DBTransactionImpl of the current Application Module.

saveToDatabase

public void saveToDatabase(Transaction transaction)
                    throws java.lang.Exception

Parameters:

transaction - the DBTransactionImpl instance of the current Application Module.

saveToDatabase

public void saveToDatabase(Transaction transaction,
                           java.lang.Object emptySQLObject)
                    throws java.lang.Exception

Internal: Applications should not use this method.

Uses the given transaction context to store data back into the database using the LOB-locator which should be set before this method is invoked.

prepareForDML

public void prepareForDML(java.lang.Object context)

Internal: Applications should not use this method.