Package ch.tocco.nice2.dbrefactoring.spi.install.fragments

Class BinaryFkFragment

java.lang.Object

ch.tocco.nice2.dbrefactoring.spi.install.fragments.BinaryFkFragment

All Implemented Interfaces:

InstallFragment

@Component
public class BinaryFkFragment
extends Object
implements InstallFragment

This fragment goes through all fields of all entities and creates a fk to the binary table for each field of type 'binary'. Additionally a trigger is created for every binary field to keep track of the usage (this is done to be able to delete unused binaries in an efficient way. If all binary reference counts are zero, it is assumed that the column was just added and the values will be initialized.

Constructor Summary

Constructors

Constructor	Description
BinaryFkFragment(NiceDataModel dataModel, MetaDataRegistry metaDataRegistry, DataSource dataSource)

Method Summary

Modifier and Type	Method	Description
FragmentReport	install(InstallParameters params)	Executes this fragments install routine and returns a report.

Methods inherited from class java.lang.Object

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

Constructor Details

BinaryFkFragment

public BinaryFkFragment(NiceDataModel dataModel,
 MetaDataRegistry metaDataRegistry,
 DataSource dataSource)

Method Details

install

public FragmentReport install(InstallParameters params)

Description copied from interface: InstallFragment

Executes this fragments install routine and returns a report. This will affect all modules.

Specified by:

install in interface InstallFragment

Returns:

a report for this install fragment