edu.emory.cci.aiw.cvrg.eureka.etl.dest

Class AbstractFileQueryResultsHandler

java.lang.Object

org.protempa.dest.AbstractQueryResultsHandler

edu.emory.cci.aiw.cvrg.eureka.etl.dest.AbstractFileQueryResultsHandler

All Implemented Interfaces:

AutoCloseable, org.protempa.dest.QueryResultsHandler

Direct Known Subclasses:

PatientSetExtractorQueryResultsHandler, PatientSetSenderQueryResultsHandler

public abstract class AbstractFileQueryResultsHandler
extends org.protempa.dest.AbstractQueryResultsHandler

Author:

Andrew Post

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractFileQueryResultsHandler(DestinationEntity destinationEntity, EtlProperties etlProperties)

Method Summary

Modifier and Type	Method and Description
protected abstract void	cleanup() Called by close() to give subclasses an opportunity to clean up resources that they have created.
void	close() Calls cleanup(), and then closes the output stream that is passed into start(java.io.OutputStream, java.util.Collection).
void	start(Collection<org.protempa.PropositionDefinition> cache) Creates an output stream and calls start(java.io.OutputStream, java.util.Collection).
protected abstract void	start(OutputStream outputStream, Collection<org.protempa.PropositionDefinition> cache) Called by start(java.util.Collection) to given subclasses an opportunity to create resources and access the output stream.

Methods inherited from class org.protempa.dest.AbstractQueryResultsHandler

cancel, finish, getDisplayName, getId, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.protempa.dest.QueryResultsHandler

handleQueryResult

Constructor Detail

AbstractFileQueryResultsHandler

protected AbstractFileQueryResultsHandler(DestinationEntity destinationEntity,
                                          EtlProperties etlProperties)

Method Detail

start

public final void start(Collection<org.protempa.PropositionDefinition> cache)
                 throws org.protempa.dest.QueryResultsHandlerProcessingException

Creates an output stream and calls start(java.io.OutputStream, java.util.Collection).

Specified by:

start in interface org.protempa.dest.QueryResultsHandler

Overrides:

start in class org.protempa.dest.AbstractQueryResultsHandler

Parameters:

cache -

Throws:

org.protempa.dest.QueryResultsHandlerProcessingException - if an error occurred.

close

public void close()
           throws org.protempa.dest.QueryResultsHandlerCloseException

Calls cleanup(), and then closes the output stream that is passed into start(java.io.OutputStream, java.util.Collection).

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.protempa.dest.QueryResultsHandler

Overrides:

close in class org.protempa.dest.AbstractQueryResultsHandler

Throws:

org.protempa.dest.QueryResultsHandlerCloseException - if an error occurred.

start

protected abstract void start(OutputStream outputStream,
                              Collection<org.protempa.PropositionDefinition> cache)
                       throws org.protempa.dest.QueryResultsHandlerProcessingException

Called by start(java.util.Collection) to given subclasses an opportunity to create resources and access the output stream.

Parameters:

outputStream -

cache -

Throws:

org.protempa.dest.QueryResultsHandlerProcessingException

cleanup

protected abstract void cleanup()
                         throws org.protempa.dest.QueryResultsHandlerCloseException

Called by close() to give subclasses an opportunity to clean up resources that they have created.

Throws:

org.protempa.dest.QueryResultsHandlerCloseException - if an error occurred.