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

Orchestrator()

Method Summary

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

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

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 -