com.toolsverse.etl.driver

Class DriverUnit

Object

com.toolsverse.ext.loader.Unit<Driver>

com.toolsverse.etl.driver.DriverUnit

All Implemented Interfaces:

DriverDiscovery

public class DriverUnit
extends Unit<Driver>
implements DriverDiscovery

The implementation of the Unit for the Driver. It "knows" that ETL drivers belong to com.toolsverse.etl.driver package and sub packages, should be loaded once, can not be reloaded, etc.

Since:

1.0

Version:

2.0

Constructor Summary

Constructors

Constructor and Description
DriverUnit() Instantiates a new driver unit.

Method Summary

Modifier and Type	Method and Description
void	add(String name, Object object) Adds loaded object using name as a key.
void	addWithoutLicense(String name, Object object) Adds loaded object which doesn't have license using name as a key.
boolean	allowLoadAll() Checks if loader allowed to to load all objects regardless of license.
boolean	canBeLoadedAgain() Checks if module can be loaded again.
void	finishLoad(UnitLoader loader) Executed when UnitLoader finishes load.
void	free() Executed when there is a need to free memory.
Driver	getDriverByJdbcClassName(String jdbcClassName) Gets the driver by jdbc class name.
List<Driver>	getList() Gets the list of loaded modules.
Map<String,Driver>	getObjects() Gets the objects.
List<KeyValue>	getSelect() Gets the list of drivers which can be used by combo box UI control to select available drivers.
List<KeyValue>	getSelectAll() Gets the list used by combo box to select all etl drivers, event without license.
boolean	loadsConfigurableExtensions() Returns true if Unit is indented to load configurable extensions.
boolean	startLoad() Executed when UnitLoader starts loading.

Methods inherited from class com.toolsverse.ext.loader.Unit

getClassPath, getJarPath, getObjClass, getPath, isSingleton, setClassPath, setJarPath, setObjClass, setPath, setSingleton

Methods inherited from class Object

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

Constructor Detail

DriverUnit

public DriverUnit()

Instantiates a new driver unit.

Method Detail

add

public void add(String name,
                Object object)

Description copied from class: Unit

Adds loaded object using name as a key.

Specified by:

add in class Unit<Driver>

Parameters:

name - the unique name of the object

object - the object

addWithoutLicense

public void addWithoutLicense(String name,
                              Object object)

Description copied from class: Unit

Adds loaded object which doesn't have license using name as a key.

Specified by:

addWithoutLicense in class Unit<Driver>

Parameters:

name - the unique name of the object

object - the object

allowLoadAll

public boolean allowLoadAll()

Description copied from class: Unit

Checks if loader allowed to to load all objects regardless of license.

Specified by:

allowLoadAll in class Unit<Driver>

Returns:

true, if successful

canBeLoadedAgain

public boolean canBeLoadedAgain()

Description copied from class: Unit

Checks if module can be loaded again.

Specified by:

canBeLoadedAgain in class Unit<Driver>

Returns:

true, if successful

finishLoad

public void finishLoad(UnitLoader loader)

Description copied from class: Unit

Executed when UnitLoader finishes load.

Specified by:

finishLoad in class Unit<Driver>

Parameters:

loader - the UnitLoader

free

public void free()

Description copied from class: Unit

Executed when there is a need to free memory.

Specified by:

free in class Unit<Driver>

getDriverByJdbcClassName

public Driver getDriverByJdbcClassName(String jdbcClassName)

Description copied from interface: DriverDiscovery

Gets the driver by jdbc class name.

Specified by:

getDriverByJdbcClassName in interface DriverDiscovery

Parameters:

jdbcClassName - the jdbc class name

Returns:

the driver

getList

public List<Driver> getList()

Description copied from class: Unit

Gets the list of loaded modules.

Specified by:

getList in class Unit<Driver>

Returns:

the list

getObjects

public Map<String,Driver> getObjects()

Gets the objects.

Returns:

the objects

getSelect

public List<KeyValue> getSelect()

Gets the list of drivers which can be used by combo box UI control to select available drivers.

Returns:

the list of drivers

getSelectAll

public List<KeyValue> getSelectAll()

Gets the list used by combo box to select all etl drivers, event without license.

Returns:

the list used by UI control to select all etl drivers, event without license

loadsConfigurableExtensions

public boolean loadsConfigurableExtensions()

Description copied from class: Unit

Returns true if Unit is indented to load configurable extensions. The configurable extension will have a place in the configuration UI and requires xml configuration file.

Specified by:

loadsConfigurableExtensions in class Unit<Driver>

Returns:

true, if successful

startLoad

public boolean startLoad()

Description copied from class: Unit

Executed when UnitLoader starts loading. Put initialization code here.

Specified by:

startLoad in class Unit<Driver>

Returns:

true, if supported