org.gcube.searchsystem.planning

Class Orchestrator

java.lang.Object

org.gcube.searchsystem.planning.Orchestrator

public class Orchestrator
extends Object

This class is the entrypoint for answering CQL queries. It triggers the preprocessing, planning and execution for answering a CQL query. The outcome provided by this class is the ResultSet EPR containing the final outcome, and the warnings produced during the whole search process.

Author:

vasilis verroios - NKUA DI

Constructor Summary

Constructors

Constructor and Description
Orchestrator()

Method Summary

Methods

Modifier and Type	Method and Description
ArrayList<Preprocessor>	getPreprocessors() getter for the list of processors to apply before planning
ArrayList<String>	getPriorities() getter for the list of priorities for the planning stage
ArrayList<String>	getWarnings() getter for the list of warnings for the last search
String	search(String cqlQuery, EnvironmentAdaptor environmentAdaptor, WorkflowEngineAdaptor workflowAdaptor, PlanCache pCache) receives a GCQL query and returns a ResultSet EPR containing the results
void	setPreprocessors(ArrayList<Preprocessor> preprocessors) setter for the list of processors to apply before planning
void	setPriorities(ArrayList<String> priorities) setter for the list of priorities for the planning stage
void	setSids(Set<String> sids)

Methods inherited from class java.lang.Object

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

Constructor Detail

Orchestrator

public Orchestrator()

Method Detail

setSids

public void setSids(Set<String> sids)

search

public String search(String cqlQuery,
            EnvironmentAdaptor environmentAdaptor,
            WorkflowEngineAdaptor workflowAdaptor,
            PlanCache pCache)
              throws Exception

receives a GCQL query and returns a ResultSet EPR containing the results

Parameters:

GCQL - query

environmentAdaptor - - the adaptor for the environment of this search operation

workflowAdaptor - - the adaptor for the workflow engine used for this search operation

Returns:

ResultSet EPR containing the results

Throws:

Exception

setPreprocessors

public void setPreprocessors(ArrayList<Preprocessor> preprocessors)

setter for the list of processors to apply before planning

Parameters:

preprocessors -

getPreprocessors

public ArrayList<Preprocessor> getPreprocessors()

getter for the list of processors to apply before planning

Parameters:

preprocessors -

getPriorities

public ArrayList<String> getPriorities()

getter for the list of priorities for the planning stage

Returns:

priorities

setPriorities

public void setPriorities(ArrayList<String> priorities)

setter for the list of priorities for the planning stage

Parameters:

priorities -

getWarnings

public ArrayList<String> getWarnings()

getter for the list of warnings for the last search

Parameters:

warnings -