Package org.apache.uima.tools.components

Class XCasWriterCasConsumer

java.lang.Object

org.apache.uima.resource.Resource_ImplBase

org.apache.uima.resource.ConfigurableResource_ImplBase

org.apache.uima.collection.CasConsumer_ImplBase

org.apache.uima.tools.components.XCasWriterCasConsumer

All Implemented Interfaces:

CasObjectProcessor, CasProcessor, CasConsumer, ConfigurableResource, Resource

public class XCasWriterCasConsumer
extends CasConsumer_ImplBase

A simple CAS consumer that generates XCAS (XML representation of the CAS) files in the filesystem. The output files are written using the UTF-8 charset.

This CAS Consumer takes one parameters:

• OutputDirectory - path to directory into which output files will be written

The XML descriptor for this collection reader is stored in the uima.jar file as org/apache/uima/util/XCasWriterCasConsumer.xml. It can be accessed via the static method getDescription(), which parses the descriptor and returns a CasConsumerDescription object.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	PARAM_OUTPUTDIR	Name of configuration parameter that must be set to the path of a directory into which the output files will be written.

Fields inherited from interface org.apache.uima.resource.Resource

PARAM_AGGREGATE_SOFA_MAPPINGS, PARAM_CONFIG_MANAGER, PARAM_CONFIG_PARAM_SETTINGS, PARAM_EXTERNAL_OVERRIDE_SETTINGS, PARAM_PERFORMANCE_TUNING_SETTINGS, PARAM_RESOURCE_MANAGER, PARAM_UIMA_CONTEXT

Constructor Summary

Constructors

Constructor	Description
XCasWriterCasConsumer()

Method Summary

Modifier and Type	Method	Description
static CasConsumerDescription	getDescription()	Parses and returns the descriptor for this collection reader.
static URL	getDescriptorURL()
void	initialize()	This method is called during initialization, and does nothing by default.
void	processCas(CAS aCAS)	Processes the CasContainer which was populated by the TextAnalysisEngines.

Methods inherited from class org.apache.uima.collection.CasConsumer_ImplBase

batchProcessComplete, collectionProcessComplete, destroy, getProcessingResourceMetaData, initialize, isReadOnly, isStateless, processCas, reconfigure, typeSystemInit

Methods inherited from class org.apache.uima.resource.ConfigurableResource_ImplBase

getConfigParameterValue, getConfigParameterValue, setConfigParameterValue, setConfigParameterValue

Methods inherited from class org.apache.uima.resource.Resource_ImplBase

getCasManager, getLogger, getMetaData, getRelativePathResolver, getResourceManager, getUimaContext, getUimaContextAdmin, loadUserClass, loadUserClassOrThrow, setContextHolder, setContextHolderX, setLogger, setMetaData, withContextHolder

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.uima.resource.ConfigurableResource

getConfigParameterValue, getConfigParameterValue, setConfigParameterValue, setConfigParameterValue

Methods inherited from interface org.apache.uima.resource.Resource

getLogger, getMetaData, getResourceManager, getUimaContext, getUimaContextAdmin, setLogger

Field Details

PARAM_OUTPUTDIR

public static final String PARAM_OUTPUTDIR

Name of configuration parameter that must be set to the path of a directory into which the output files will be written.

See Also:

• Constant Field Values

Constructor Details

XCasWriterCasConsumer

public XCasWriterCasConsumer()

Method Details

initialize

public void initialize()
                throws ResourceInitializationException

Description copied from class: CasConsumer_ImplBase

This method is called during initialization, and does nothing by default. Subclasses should override it to perform one-time startup logic.

Overrides:

initialize in class CasConsumer_ImplBase

Throws:

ResourceInitializationException - if a failure occurs during initialization.

processCas

public void processCas(CAS aCAS)
                throws ResourceProcessException

Processes the CasContainer which was populated by the TextAnalysisEngines.
In this case, the CAS is converted to XML and written into the output file .

Parameters:

aCAS - a CAS which has been populated by the Analysis Engines

Throws:

ResourceProcessException - if there is an error in processing the Resource

See Also:

• CasObjectProcessor.processCas(org.apache.uima.cas.CAS)

getDescription

public static CasConsumerDescription getDescription()
                                             throws InvalidXMLException

Parses and returns the descriptor for this collection reader. The descriptor is stored in the uima.jar file and located using the ClassLoader.

Returns:

an object containing all of the information parsed from the descriptor.

Throws:

InvalidXMLException - if the descriptor is invalid or missing

getDescriptorURL

public static URL getDescriptorURL()