org.marketcetera.modules.headwater

Class HeadwaterModule

java.lang.Object

org.marketcetera.module.Module

org.marketcetera.modules.headwater.HeadwaterModule

All Implemented Interfaces:

DataEmitter

public class HeadwaterModule
extends Module
implements DataEmitter

Provides an insertion point to a module framework data flow. Module Features

Capabilities	Data Emitter
DataFlow Request Parameters	none
Stops data flows	n/a
Start Operation	n/a
Stop Operation	n/a
Management Interface	n/a
Factory	HeadwaterModuleFactory

Since:

$Release$

Version:

$Id$

Author:

Colin DuPlantis

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HeadwaterModule(ModuleURN inUrn, String inInstanceName) Create a new HeadwaterModule instance.

Method Summary

Modifier and Type	Method and Description
void	cancel(DataFlowID inFlowID, RequestID inRequestID)
void	emit(Object inData, DataFlowID... inDataFlowIds) Emit the given data to the given data flows, if specified.
static HeadwaterModule	getInstance(String inInstanceName) Get a HeadwaterInstance instance, creating it if necessary.
protected void	preStart()
protected void	preStop()
void	requestData(DataRequest inRequest, DataEmitterSupport inSupport)

Methods inherited from class org.marketcetera.module.Module

getCreated, getLastStartFailure, getLastStopFailure, getStarted, getState, getStopped, getURN, isAutoCreated, isAutoStart

Methods inherited from class java.lang.Object

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

Constructor Detail

HeadwaterModule

protected HeadwaterModule(ModuleURN inUrn,
                          String inInstanceName)

Create a new HeadwaterModule instance.

Parameters:

inUrn - a ModuleURN value

inInstanceName - a String value

Method Detail

getInstance

public static HeadwaterModule getInstance(String inInstanceName)

Get a HeadwaterInstance instance, creating it if necessary.

Parameters:

inInstanceName - a String value

Returns:

a HeadwaterModule value

emit

public void emit(Object inData,
                 DataFlowID... inDataFlowIds)

Emit the given data to the given data flows, if specified.

If no data flows are specified, the data is emitted to all data flows in which this module participates.

Parameters:

inData - an Object value

inDataFlowIds - a DataFlowID[] value or null

requestData

public void requestData(DataRequest inRequest,
                        DataEmitterSupport inSupport)
                 throws RequestDataException

Specified by:

requestData in interface DataEmitter

Throws:

RequestDataException

cancel

public void cancel(DataFlowID inFlowID,
                   RequestID inRequestID)

Specified by:

cancel in interface DataEmitter

preStart

protected void preStart()
                 throws ModuleException

Specified by:

preStart in class Module

Throws:

ModuleException

preStop

protected void preStop()
                throws ModuleException

Specified by:

preStop in class Module

Throws:

ModuleException