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

Field Summary

static com.google.common.cache.Cache<String,String>

planCache

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.
String	getExecutionResultSimple(gr.uoa.di.madgik.workflow.adaptor.search.searchsystemplan.PlanNode plan)

Methods inherited from class java.lang.Object

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

Field Detail

planCache

public static com.google.common.cache.Cache<String,String> planCache

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

getExecutionResultSimple

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

Throws:

Exception

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.