org.coode.oppl.queryplanner

Interface QueryPlannerItem

All Known Implementing Classes:

AbstractQueryPlannerItem, AssertedAxiomPlannerItem, ConstraintQueryPlannerItem, InferredAxiomQueryPlannerItem

public interface QueryPlannerItem

Author:

Luigi Iannone

Method Summary

Methods

Modifier and Type	Method and Description
void	accept(QueryPlannerVisitor visitor)
<O> O	accept(QueryPlannerVisitorEx<O> visitor)
Set<BindingNode>	match(Collection<? extends BindingNode> currentLeaves, ExecutionMonitor executionMonitor, RuntimeExceptionHandler runtimeExceptionHandler) Matches this planner items

Method Detail

match

Set<BindingNode> match(Collection<? extends BindingNode> currentLeaves,
                     ExecutionMonitor executionMonitor,
                     RuntimeExceptionHandler runtimeExceptionHandler)

Matches this planner items

Parameters:

currentLeaves - The current set of leaves

executionMonitor - The Execution Monitor. Cannot be null

runtimeExceptionHandler - The run-time exception handler. Cannot be null.

Returns:

The new Set of current leaves.

Throws:

NullPointerException - if the run-time exception handler or the execution monitor is null.

accept

void accept(QueryPlannerVisitor visitor)

Parameters:

visitor - visitor

accept

<O> O accept(QueryPlannerVisitorEx<O> visitor)

Type Parameters:

O - visitor return type

Parameters:

visitor - visitor

Returns:

visitor value