org.gcube.searchsystem.workflow
Class PE2ngWorkflowAdaptor

java.lang.Object
  org.gcube.searchsystem.workflow.PE2ngWorkflowAdaptor

All Implemented Interfaces:

WorkflowEngineAdaptor

public class PE2ngWorkflowAdaptor
extends Object
implements WorkflowEngineAdaptor

Constructor Summary

PE2ngWorkflowAdaptor(gr.uoa.di.madgik.workflow.adaptor.search.utils.wrappers.datasource.DataSourceWrapperFactoryConfig cfg, gr.uoa.di.madgik.environment.hint.EnvHintCollection hints)
creates a new WorkflowEngine adaptor for PE2ng

PE2ngWorkflowAdaptor(gr.uoa.di.madgik.environment.hint.EnvHintCollection hints)
creates a new WorkflowEngine adaptor for PE2ng

Method Summary

Object	getExecutionPlan(gr.uoa.di.madgik.workflow.adaptor.search.searchsystemplan.PlanNode plan) create an execution plan for the search plan provided.
String	getExecutionResult(gr.uoa.di.madgik.workflow.adaptor.search.searchsystemplan.PlanNode plan) execute a search plan and return a resultSet epr containing the final outcome of the search operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

PE2ngWorkflowAdaptor

public PE2ngWorkflowAdaptor(gr.uoa.di.madgik.environment.hint.EnvHintCollection hints)
                     throws Exception

creates a new WorkflowEngine adaptor for PE2ng

Parameters:

scope - - the working scope of the adaptor

Throws:

Exception

PE2ngWorkflowAdaptor

public PE2ngWorkflowAdaptor(gr.uoa.di.madgik.workflow.adaptor.search.utils.wrappers.datasource.DataSourceWrapperFactoryConfig cfg,
                            gr.uoa.di.madgik.environment.hint.EnvHintCollection hints)
                     throws Exception

creates a new WorkflowEngine adaptor for PE2ng

Parameters:

cfg - - the configuration for the data source wrapper factory

scope - - the working scope of the adaptor

Throws:

Exception

Method Detail

getExecutionResult

public String getExecutionResult(gr.uoa.di.madgik.workflow.adaptor.search.searchsystemplan.PlanNode plan)
                          throws Exception

Description copied from interface: WorkflowEngineAdaptor

execute a search plan and return a resultSet epr containing the final outcome of the search operation.

Specified by:

getExecutionResult in interface WorkflowEngineAdaptor

Parameters:

plan - - the search plan

Returns:

resultSet epr containing the final outcome of the search operation.

Throws:

Exception - in case of an error during the creation of the Execution plan, or in case of an error during the execution

getExecutionPlan

public Object getExecutionPlan(gr.uoa.di.madgik.workflow.adaptor.search.searchsystemplan.PlanNode plan)
                        throws Exception

Description copied from interface: WorkflowEngineAdaptor

create an execution plan for the search plan provided.

Specified by:

getExecutionPlan in interface WorkflowEngineAdaptor

Parameters:

plan - - the search plan

Returns:

the execution plan

Throws:

Exception - in case of an error during the creation of the Execution plan.