org.gcube.searchsystem.workflow
Interface WorkflowEngineAdaptor

All Known Implementing Classes:

PE2ngWorkflowAdaptor

public interface WorkflowEngineAdaptor

Classes that implement this interface are given a search plan and are able to create a plan for an execution engine. They can also execute the search plan, directly, and return a resultSet epr containing the final outcome of the search operation.

Author:

vasilis verroios

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.

Method Detail

getExecutionResult

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

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

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

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

create an execution plan for the search plan provided.

Parameters:

plan - - the search plan

Returns:

the execution plan

Throws:

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