org.wso2.carbon.dataservices.task

Class DataTaskContext

java.lang.Object

org.wso2.carbon.dataservices.task.DataTaskContext

public class DataTaskContext
extends Object

This class represents a context class used in data tasks.

Constructor Summary

Constructors

Constructor and Description
DataTaskContext(int tid)

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.axiom.om.OMElement	accessResource(String serviceName, String resourcePath, Map<String,org.wso2.carbon.dataservices.core.engine.ParamValue> params, String accessMethod) Accesses a data services resource.
boolean	checkServices(String... services) Checks if the given services are available.
Map<String,String>	getDataTaskProperties()
void	invokeOperation(String serviceName, String operationName, List<Map<String,org.wso2.carbon.dataservices.core.engine.ParamValue>> batchParams) Invokes a batch data service operation
org.apache.axiom.om.OMElement	invokeOperation(String serviceName, String operationName, Map<String,org.wso2.carbon.dataservices.core.engine.ParamValue> params) Invokes a single data service operation.
void	setDataServicesUser(String username, String password) Sets the Carbon user for the current thread of execution.
void	setDataTaskProperties(Map<String,String> dataTaskProperties)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataTaskContext

public DataTaskContext(int tid)

Method Detail

checkServices

public boolean checkServices(String... services)

Checks if the given services are available.

Parameters:

services - An array of service names to be checked

Returns:

Returns true if all the given services are available

invokeOperation

public org.apache.axiom.om.OMElement invokeOperation(String serviceName,
                                            String operationName,
                                            Map<String,org.wso2.carbon.dataservices.core.engine.ParamValue> params)
                                              throws org.wso2.carbon.dataservices.core.DataServiceFault

Invokes a single data service operation.

Parameters:

serviceName - The name of the data service

operationName - The data service operation name

params - The parameters to be passed into the operation

Returns:

The result from the service call, if any available, or returns null, if it is an in-only operation

Throws:

org.wso2.carbon.dataservices.core.DataServiceFault - If an error occurs in the service invocation

invokeOperation

public void invokeOperation(String serviceName,
                   String operationName,
                   List<Map<String,org.wso2.carbon.dataservices.core.engine.ParamValue>> batchParams)
                     throws org.wso2.carbon.dataservices.core.DataServiceFault

Invokes a batch data service operation

Parameters:

serviceName - The name of the data service

operationName - The data service batch operation name

batchParams - The batch parameters to be passed into the operation

Throws:

org.wso2.carbon.dataservices.core.DataServiceFault - If an error occurs in the service invocation

accessResource

public org.apache.axiom.om.OMElement accessResource(String serviceName,
                                           String resourcePath,
                                           Map<String,org.wso2.carbon.dataservices.core.engine.ParamValue> params,
                                           String accessMethod)
                                             throws org.wso2.carbon.dataservices.core.DataServiceFault

Accesses a data services resource.

Parameters:

serviceName - The name of the data service

resourcePath - The resource path used to access the resource

params - The parameters passed into the resource access

accessMethod - The HTTP access method

Returns:

The result from the resource access, if any available, or else null

Throws:

org.wso2.carbon.dataservices.core.DataServiceFault - If an error occurs in the service invocation

setDataServicesUser

public void setDataServicesUser(String username,
                       String password)
                         throws org.wso2.carbon.dataservices.core.DataServiceFault

Sets the Carbon user for the current thread of execution.

Parameters:

username - The username

password - The password

Throws:

org.wso2.carbon.dataservices.core.DataServiceFault - If an error occurs in the service invocation

getDataTaskProperties

public Map<String,String> getDataTaskProperties()

setDataTaskProperties

public void setDataTaskProperties(Map<String,String> dataTaskProperties)