com.metamatrix.server.dqp.service
Class PlatformDataService

java.lang.Object
  com.metamatrix.server.dqp.service.PlatformDataService

All Implemented Interfaces:

ApplicationService, DataService

public class PlatformDataService
extends java.lang.Object
implements DataService

Platform DataService.

A DQP service used to lookup ConnectorServices.

Constructor Summary

PlatformDataService()
DQPDataService Default ctor.

Method Summary

void	cancelRequest(AtomicRequestID request, com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId)
void	clearConnectorBindingCache(java.lang.String connectorBindingName)
void	closeRequest(AtomicRequestID request, com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId)
void	executeRequest(AtomicRequestMessage request, com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId, ResultsReceiver<AtomicResultsMessage> resultListener) Execute the given request on a Connector.
SourceCapabilities	getCapabilities(RequestMessage request, org.teiid.dqp.internal.process.DQPWorkContext dqpWorkContext, com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId)
ConnectorBinding	getConnectorBinding(java.lang.String connectorBindingName)
java.util.List	getConnectorBindings()
java.lang.Boolean	getConnectorBindingState(java.lang.String connectorBindingName)
java.util.Collection	getConnectorBindingStatistics(java.lang.String connectorBindingName)
void	initialize(java.util.Properties props) Initialize the service with the specified properties.
void	requestBatch(AtomicRequestID request, com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId)
com.metamatrix.dqp.internal.datamgr.ConnectorID	selectConnector(java.lang.String connectorBindingID) Select a connector to use for the given connector binding.
void	start(ApplicationEnvironment environment) Start the service with the specified environment.
void	startConnectorBinding(java.lang.String connectorBindingName)
void	stop() Stop the service.
void	stopConnectorBinding(java.lang.String connectorBindingName)

Methods inherited from class java.lang.Object

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

Constructor Detail

PlatformDataService

public PlatformDataService()

DQPDataService Default ctor.

Method Detail

selectConnector

public com.metamatrix.dqp.internal.datamgr.ConnectorID selectConnector(java.lang.String connectorBindingID)

Select a connector to use for the given connector binding.

Specified by:

selectConnector in interface DataService

Parameters:

connectorBindingID - Connector binding identifier

Returns:

ConnectorID identifying a connector instance

executeRequest

public void executeRequest(AtomicRequestMessage request,
                           com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId,
                           ResultsReceiver<AtomicResultsMessage> resultListener)
                    throws MetaMatrixComponentException

Execute the given request on a Connector.

Specified by:

executeRequest in interface DataService

Parameters:

request - The request for data.

Throws:

MetaMatrixComponentException

cancelRequest

public void cancelRequest(AtomicRequestID request,
                          com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId)
                   throws MetaMatrixComponentException

Specified by:

cancelRequest in interface DataService

Throws:

MetaMatrixComponentException

closeRequest

public void closeRequest(AtomicRequestID request,
                         com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId)
                  throws MetaMatrixComponentException

Specified by:

closeRequest in interface DataService

Throws:

MetaMatrixComponentException

requestBatch

public void requestBatch(AtomicRequestID request,
                         com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId)
                  throws MetaMatrixComponentException

Specified by:

requestBatch in interface DataService

Throws:

MetaMatrixComponentException

getCapabilities

public SourceCapabilities getCapabilities(RequestMessage request,
                                          org.teiid.dqp.internal.process.DQPWorkContext dqpWorkContext,
                                          com.metamatrix.dqp.internal.datamgr.ConnectorID connectorId)
                                   throws MetaMatrixComponentException

Specified by:

getCapabilities in interface DataService

Throws:

MetaMatrixComponentException

initialize

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

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

start

public void start(ApplicationEnvironment environment)
           throws ApplicationLifecycleException

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

stop

public void stop()
          throws ApplicationLifecycleException

Stop the service.

Specified by:

stop in interface ApplicationService

Throws:

ApplicationLifecycleException - If an error occurs while starting

startConnectorBinding

public void startConnectorBinding(java.lang.String connectorBindingName)
                           throws ApplicationLifecycleException,
                                  ComponentNotFoundException

Specified by:

startConnectorBinding in interface DataService

Throws:

ApplicationLifecycleException

ComponentNotFoundException

Since:

4.3

See Also:

DataService.startConnectorBinding(java.lang.String)

stopConnectorBinding

public void stopConnectorBinding(java.lang.String connectorBindingName)
                          throws ApplicationLifecycleException,
                                 ComponentNotFoundException

Specified by:

stopConnectorBinding in interface DataService

Throws:

ApplicationLifecycleException

ComponentNotFoundException

Since:

4.3

See Also:

DataService.stopConnectorBinding(java.lang.String)

getConnectorBindings

public java.util.List getConnectorBindings()
                                    throws ComponentNotFoundException

Specified by:

getConnectorBindings in interface DataService

Throws:

ComponentNotFoundException

Since:

4.3

See Also:

DataService.getConnectorBindings()

getConnectorBindingState

public java.lang.Boolean getConnectorBindingState(java.lang.String connectorBindingName)
                                           throws MetaMatrixComponentException

Specified by:

getConnectorBindingState in interface DataService

Throws:

MetaMatrixComponentException

Since:

4.3

See Also:

DataService.getConnectorBindingState(java.lang.String)

getConnectorBinding

public ConnectorBinding getConnectorBinding(java.lang.String connectorBindingName)
                                     throws MetaMatrixComponentException

Specified by:

getConnectorBinding in interface DataService

Throws:

MetaMatrixComponentException

Since:

4.3

See Also:

DataService.getConnectorBinding(java.lang.String)

getConnectorBindingStatistics

public java.util.Collection getConnectorBindingStatistics(java.lang.String connectorBindingName)
                                                   throws MetaMatrixComponentException

Specified by:

getConnectorBindingStatistics in interface DataService

Throws:

MetaMatrixComponentException

Since:

4.3

See Also:

DataService.getConnectorBindingStatistics(java.lang.String)

clearConnectorBindingCache

public void clearConnectorBindingCache(java.lang.String connectorBindingName)
                                throws MetaMatrixComponentException

Specified by:

clearConnectorBindingCache in interface DataService

Throws:

MetaMatrixComponentException

Since:

4.3

See Also:

DataService.clearConnectorBindingCache(java.lang.String)