Package se.liu.ida.hefquin.engine.queryplan.executable

Interface NullaryExecutableOp

All Superinterfaces:

ExecutableOperator, StatsProvider

All Known Implementing Classes:

BaseForExecOpRequest, BaseForExecOpRequestWithPaging, BaseForExecOpRequestWithTPFPaging, BaseForExecOpSolMapsRequest, BaseForExecOpTriplePatternRequestWithTPF, BaseForExecOpTriplesRequest, ExecOpRequestBRTPF, ExecOpRequestSPARQL, ExecOpRequestTPFatBRTPFServer, ExecOpRequestTPFatTPFServer, NullaryExecutableOpBase

public interface NullaryExecutableOp
extends ExecutableOperator

A specialization of the ExecutableOperator interface that captures executable operators that do not consume any input produced by other operators; hence, these operators are the leaf nodes in a tree representation of query execution plans.

Method Summary

Modifier and Type	Method	Description
void	execute(IntermediateResultElementSink sink, ExecutionContext execCxt)	Executes this operator and sends the produced result elements (if any) to the given sink.

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.executable.ExecutableOperator

getExceptionsCaughtDuringExecution, getStats

Methods inherited from interface se.liu.ida.hefquin.base.utils.StatsProvider

resetStats

Method Details

execute

void execute(IntermediateResultElementSink sink,
 ExecutionContext execCxt)
      throws ExecOpExecutionException

Executes this operator and sends the produced result elements (if any) to the given sink.

Throws:

ExecOpExecutionException