org.wso2.carbon.dataservices.core.engine

Class DSOMDataSource

java.lang.Object

org.wso2.carbon.dataservices.core.engine.DSOMDataSource

All Implemented Interfaces:

org.apache.axiom.om.OMDataSource

public class DSOMDataSource
extends Object
implements org.apache.axiom.om.OMDataSource

This class represents the data source for an OMElement, where the generation of data is encapsulated in this object, and it is used in on-demand data retrieval, and effectively streaming data.

Constructor Summary

Constructors

Constructor and Description
DSOMDataSource(DataService dataService, String opName, Map<String,ParamValue> params)

Method Summary

Modifier and Type	Method and Description
void	execute(XMLStreamWriter xmlWriter)
void	executeInOnly() This method is called when the current request is a in-only operations, so a result is not expected.
DataService	getDataService()
String	getOpName()
Map<String,ParamValue>	getParams()
XMLStreamReader	getReader()
void	serialize(OutputStream output, org.apache.axiom.om.OMOutputFormat format)
void	serialize(Writer writer, org.apache.axiom.om.OMOutputFormat format)
void	serialize(XMLStreamWriter xmlWriter)

Methods inherited from class java.lang.Object

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

Constructor Detail

DSOMDataSource

public DSOMDataSource(DataService dataService,
                      String opName,
                      Map<String,ParamValue> params)

Method Detail

getDataService

public DataService getDataService()

getOpName

public String getOpName()

getParams

public Map<String,ParamValue> getParams()

executeInOnly

public void executeInOnly()
                   throws XMLStreamException

This method is called when the current request is a in-only operations, so a result is not expected.

Throws:

XMLStreamException

serialize

public void serialize(OutputStream output,
                      org.apache.axiom.om.OMOutputFormat format)
               throws XMLStreamException

Specified by:

serialize in interface org.apache.axiom.om.OMDataSource

Throws:

XMLStreamException

serialize

public void serialize(Writer writer,
                      org.apache.axiom.om.OMOutputFormat format)
               throws XMLStreamException

Specified by:

serialize in interface org.apache.axiom.om.OMDataSource

Throws:

XMLStreamException

execute

public void execute(XMLStreamWriter xmlWriter)
             throws XMLStreamException

Throws:

XMLStreamException

serialize

public void serialize(XMLStreamWriter xmlWriter)
               throws XMLStreamException

Specified by:

serialize in interface org.apache.axiom.om.OMDataSource

Throws:

XMLStreamException

getReader

public XMLStreamReader getReader()
                          throws XMLStreamException

Specified by:

getReader in interface org.apache.axiom.om.OMDataSource

Throws:

XMLStreamException