org.wso2.carbon.dataservices.core.description.query

Class CustomQueryBasedDSQuery

java.lang.Object

org.wso2.carbon.dataservices.core.engine.XMLWriterHelper

org.wso2.carbon.dataservices.core.description.query.Query

org.wso2.carbon.dataservices.core.description.query.CustomQueryBasedDSQuery

public class CustomQueryBasedDSQuery
extends Query

This class represents the query class for data services query based custom data sources.

Constructor Summary

Constructors

Constructor and Description
CustomQueryBasedDSQuery(DataService dataService, String queryId, List<QueryParam> queryParams, Result result, String configId, EventTrigger inputEventTrigger, EventTrigger outputEventTrigger, Map<String,String> advancedProperties, String inputNamespace, String expression)

Method Summary

Modifier and Type	Method and Description
CustomQueryBasedDSConfig	getConfig()
String	getExpression()
void	runPostQuery(Object result, XMLStreamWriter xmlWriter, InternalParamCollection params, int queryLevel) This method must be implemented by concrete implementations of this class, to provide the logic to execute the query.
Object	runPreQuery(InternalParamCollection params, int queryLevel) This method must be implemented by concrete implementations of this class, to provide the logic to execute the query.

Methods inherited from class org.wso2.carbon.dataservices.core.description.query.Query

addQueryPreprocessedObject, execute, getAdvancedProperties, getAndRemoveQueryPreprocessObject, getConfigId, getCurrentInternalParams, getDataService, getInputEventTrigger, getInputNamespace, getOutputEventTrigger, getQueryId, getQueryParams, getResult, hasResult, isPreBuildResult, isQueryPreprocessInitial, isQueryPreprocessSecondary, isUsingColumnNumbers, isWriteRow, resetCurrentInternalParams, resetQueryPreprocessing, setCurrentInternalParams, setQueryPreprocessingInitial, setQueryPreprocessingSecondary, writeResultEntry

Methods inherited from class org.wso2.carbon.dataservices.core.engine.XMLWriterHelper

addAttribute, endElement, getNamespace, setNamespace, startRowElement, startWrapperElement, writeResultElement

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomQueryBasedDSQuery

public CustomQueryBasedDSQuery(DataService dataService,
                               String queryId,
                               List<QueryParam> queryParams,
                               Result result,
                               String configId,
                               EventTrigger inputEventTrigger,
                               EventTrigger outputEventTrigger,
                               Map<String,String> advancedProperties,
                               String inputNamespace,
                               String expression)
                        throws DataServiceFault

Throws:

DataServiceFault

Method Detail

getExpression

public String getExpression()

getConfig

public CustomQueryBasedDSConfig getConfig()

runPreQuery

public Object runPreQuery(InternalParamCollection params,
                          int queryLevel)
                   throws DataServiceFault

Description copied from class: Query

This method must be implemented by concrete implementations of this class, to provide the logic to execute the query.

Specified by:

runPreQuery in class Query

Throws:

DataServiceFault

runPostQuery

public void runPostQuery(Object result,
                         XMLStreamWriter xmlWriter,
                         InternalParamCollection params,
                         int queryLevel)
                  throws DataServiceFault

Description copied from class: Query

This method must be implemented by concrete implementations of this class, to provide the logic to execute the query.

Specified by:

runPostQuery in class Query

Throws:

DataServiceFault