org.gcube.searchsystem.planning

Interface Planner

All Known Implementing Classes:

MaxSubtreePlanner

public interface Planner

Classes that implement this interface, create a plan that will be used as input by the workflow layer

Author:

vasilis verroios - DI NKUA

Method Summary

Methods

Modifier and Type	Method and Description
gr.uoa.di.madgik.workflow.adaptor.search.searchsystemplan.PlanNode	plan(search.library.util.cql.query.tree.GCQLNode root) Receives the root of a CQL tree, creates a plan for the workflow layer, and returns the root of this plan

Method Detail

plan

gr.uoa.di.madgik.workflow.adaptor.search.searchsystemplan.PlanNode plan(search.library.util.cql.query.tree.GCQLNode root)
                                                                        throws CQLTreeSyntaxException,
                                                                               CQLUnsupportedException

Receives the root of a CQL tree, creates a plan for the workflow layer, and returns the root of this plan

Parameters:

root - - the CQL tree root

Returns:

the root of the plan for the workflow layer

Throws:

CQLTreeSyntaxException - - when the input tree is not in a valid state (this case is possible when a chain of proprocessors is applied sequentially, before planning)

CQLUnsupportedException