com.metamatrix.dqp.embedded.services
Class EmbeddedBaseDQPService

java.lang.Object
  com.metamatrix.dqp.embedded.services.EmbeddedBaseDQPService

All Implemented Interfaces:

ApplicationService

Direct Known Subclasses:

EmbeddedBufferService, EmbeddedConfigurationService, EmbeddedDataService, EmbeddedMetadataService, EmbeddedVDBService

public abstract class EmbeddedBaseDQPService
extends java.lang.Object
implements ApplicationService

This a base service for all the Embedded DQP Services.

Since:

4.3

Field Summary

static java.lang.String

SYSTEM_PHYSICAL_MODEL_NAME

Constructor Summary

EmbeddedBaseDQPService()

Method Summary

protected ConfigurationService	getConfigurationService() Helper to find the configuration service
void	initialize(java.util.Properties props) Initialize the service with the specified properties.
abstract void	initializeService(java.util.Properties properties)
protected boolean	isStarted()
protected boolean	isValidVDB(VDBArchive vdb) checks the validity of the VDB
protected ApplicationService	lookupService(java.lang.String serviceName) Look up the the service
void	start(ApplicationEnvironment environment) Start the service with the specified environment.
abstract void	startService(ApplicationEnvironment environment)
void	stop() Stop the service.
abstract void	stopService()
protected VDBKey	vdbId(java.lang.String name, java.lang.String version)
protected VDBKey	vdbId(VDBArchive vdb)

Methods inherited from class java.lang.Object

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

Field Detail

SYSTEM_PHYSICAL_MODEL_NAME

public static final java.lang.String SYSTEM_PHYSICAL_MODEL_NAME

See Also:

Constant Field Values

Constructor Detail

EmbeddedBaseDQPService

public EmbeddedBaseDQPService()

Method Detail

initialize

public final void initialize(java.util.Properties props)
                      throws ApplicationInitializationException

Description copied from interface: ApplicationService

Initialize the service with the specified properties.

Specified by:

initialize in interface ApplicationService

Parameters:

props - Initialialization properties

Throws:

ApplicationInitializationException - If an error occurs during initialization

Since:

4.3

See Also:

ApplicationService.initialize(java.util.Properties)

initializeService

public abstract void initializeService(java.util.Properties properties)
                                throws ApplicationInitializationException

Throws:

ApplicationInitializationException

start

public final void start(ApplicationEnvironment environment)
                 throws ApplicationLifecycleException

Description copied from interface: ApplicationService

Start the service with the specified environment. The environment can be used to find other services or resources.

Specified by:

start in interface ApplicationService

Parameters:

environment - Environment

Throws:

ApplicationLifecycleException - If an error occurs while starting

Since:

4.3

See Also:

ApplicationService.start(com.metamatrix.common.application.ApplicationEnvironment)

startService

public abstract void startService(ApplicationEnvironment environment)
                           throws ApplicationLifecycleException

Throws:

ApplicationLifecycleException

stop

public final void stop()
                throws ApplicationLifecycleException

Description copied from interface: ApplicationService

Stop the service.

Specified by:

stop in interface ApplicationService

Throws:

ApplicationLifecycleException - If an error occurs while starting

Since:

4.3

See Also:

ApplicationService.stop()

stopService

public abstract void stopService()
                          throws ApplicationLifecycleException

Throws:

ApplicationLifecycleException

lookupService

protected ApplicationService lookupService(java.lang.String serviceName)

Look up the the service

Parameters:

serviceName -

Returns:

Throws:

MetaMatrixComponentException

Since:

4.3

getConfigurationService

protected ConfigurationService getConfigurationService()

Helper to find the configuration service

Returns:

Throws:

MetaMatrixComponentException

Since:

4.3

isStarted

protected final boolean isStarted()

vdbId

protected VDBKey vdbId(VDBArchive vdb)

vdbId

protected VDBKey vdbId(java.lang.String name,
                       java.lang.String version)

isValidVDB

protected boolean isValidVDB(VDBArchive vdb)

checks the validity of the VDB

Parameters:

vdb -

Returns:

true if valid; false otherwise.