org.wso2.extension.siddhi.map.xml.sourcemapper

Class XmlSourceMapper

java.lang.Object

org.wso2.siddhi.core.stream.input.source.SourceMapper

org.wso2.extension.siddhi.map.xml.sourcemapper.XmlSourceMapper

All Implemented Interfaces:

org.wso2.siddhi.core.stream.input.source.SourceEventListener

public class XmlSourceMapper
extends org.wso2.siddhi.core.stream.input.source.SourceMapper

This mapper converts XML string input to ComplexEventChunk. This extension accepts optional xpath expressions to select specific attributes from the stream.

Constructor Summary

Constructors

Constructor and Description
XmlSourceMapper()

Method Summary

Modifier and Type	Method and Description
protected boolean	allowNullInTransportProperties()
Class[]	getSupportedInputEventClasses()
void	init(org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition, org.wso2.siddhi.core.util.transport.OptionHolder optionHolder, List<org.wso2.siddhi.core.stream.input.source.AttributeMapping> attributeMappingList, org.wso2.siddhi.core.util.config.ConfigReader configReader, org.wso2.siddhi.core.config.SiddhiAppContext siddhiAppContext) Initialize the mapper and the mapping configurations.
protected void	mapAndProcess(Object eventObject, org.wso2.siddhi.core.stream.input.source.InputEventHandler inputEventHandler) Receives an event as an XML string from Source, converts it to a ComplexEventChunk and send to the OutputCallback.

Methods inherited from class org.wso2.siddhi.core.stream.input.source.SourceMapper

getHandler, getStreamDefinition, init, onEvent, setInputHandler

Methods inherited from class java.lang.Object

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

Constructor Detail

XmlSourceMapper

public XmlSourceMapper()

Method Detail

init

public void init(org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition,
                 org.wso2.siddhi.core.util.transport.OptionHolder optionHolder,
                 List<org.wso2.siddhi.core.stream.input.source.AttributeMapping> attributeMappingList,
                 org.wso2.siddhi.core.util.config.ConfigReader configReader,
                 org.wso2.siddhi.core.config.SiddhiAppContext siddhiAppContext)

Initialize the mapper and the mapping configurations.

Specified by:

init in class org.wso2.siddhi.core.stream.input.source.SourceMapper

Parameters:

streamDefinition - the StreamDefinition

optionHolder - mapping options

attributeMappingList - list of attributes mapping

configReader -

getSupportedInputEventClasses

public Class[] getSupportedInputEventClasses()

Specified by:

getSupportedInputEventClasses in class org.wso2.siddhi.core.stream.input.source.SourceMapper

mapAndProcess

protected void mapAndProcess(Object eventObject,
                             org.wso2.siddhi.core.stream.input.source.InputEventHandler inputEventHandler)
                      throws InterruptedException

Receives an event as an XML string from Source, converts it to a ComplexEventChunk and send to the OutputCallback.

Specified by:

mapAndProcess in class org.wso2.siddhi.core.stream.input.source.SourceMapper

Parameters:

eventObject - the input event, given as an XML string

inputEventHandler - input handler

Throws:

InterruptedException

allowNullInTransportProperties

protected boolean allowNullInTransportProperties()

Specified by:

allowNullInTransportProperties in class org.wso2.siddhi.core.stream.input.source.SourceMapper