org.apache.polygene.library.sql.datasource

Class AbstractDataSourceServiceImporterMixin<PooledDataSourceType extends DataSource>

java.lang.Object

org.apache.polygene.library.sql.datasource.AbstractDataSourceServiceImporterMixin<PooledDataSourceType>

All Implemented Interfaces:

ServiceImporter<DataSource>, DataSourceServiceImporterActivation

Direct Known Subclasses:

BoneCPDataSourceServiceImporter.Mixin, DBCPDataSourceServiceImporter.Mixin

public abstract class AbstractDataSourceServiceImporterMixin<PooledDataSourceType extends DataSource>
extends Object
implements ServiceImporter<DataSource>, DataSourceServiceImporterActivation

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.polygene.library.sql.datasource.DataSourceServiceImporterActivation

DataSourceServiceImporterActivation.Activator

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	LOGGER
protected UnitOfWorkFactory	uowf

Constructor Summary

Constructors

Constructor and Description
AbstractDataSourceServiceImporterMixin()

Method Summary

Modifier and Type	Method and Description
DataSource	importService(ImportedServiceDescriptor importedServiceDescriptor) Imports an instance of the service type described in the service descriptor.
boolean	isAvailable(DataSource instance) Ask if the service is available or not.
protected abstract void	passivateDataSourcePool(PooledDataSourceType dataSourcePool)
void	passivateDataSourceService()
protected abstract PooledDataSourceType	setupDataSourcePool(DataSourceConfiguration configuration)

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

uowf

@Structure
protected UnitOfWorkFactory uowf

Constructor Detail

AbstractDataSourceServiceImporterMixin

public AbstractDataSourceServiceImporterMixin()

Method Detail

passivateDataSourceService

public final void passivateDataSourceService()
                                      throws Exception

Specified by:

passivateDataSourceService in interface DataSourceServiceImporterActivation

Throws:

Exception

importService

public final DataSource importService(ImportedServiceDescriptor importedServiceDescriptor)
                               throws ServiceImporterException

Description copied from interface: ServiceImporter

Imports an instance of the service type described in the service descriptor.

Specified by:

importService in interface ServiceImporter<DataSource>

Parameters:

importedServiceDescriptor - The service descriptor.

Returns:

The imported service instance.

Throws:

ServiceImporterException - if import failed.

isAvailable

public final boolean isAvailable(DataSource instance)

Description copied from interface: ServiceImporter

Ask if the service is available or not.

Specified by:

isAvailable in interface ServiceImporter<DataSource>

Parameters:

instance - the instance to be checked

Returns:

true if the service is available, false if not

setupDataSourcePool

protected abstract PooledDataSourceType setupDataSourcePool(DataSourceConfiguration configuration)
                                                     throws Exception

Throws:

Exception

passivateDataSourcePool

protected abstract void passivateDataSourcePool(PooledDataSourceType dataSourcePool)
                                         throws Exception

Throws:

Exception