org.apache.drill.common.logical.data

Interface LogicalOperator

All Superinterfaces:

GraphValue<LogicalOperator>, Iterable<LogicalOperator>

All Known Implementing Classes:

Analyze, Filter, Flatten, GroupingAggregate, Join, LateralJoin, Limit, LogicalOperatorBase, LogicalSemiJoin, MetadataAggregate, MetadataController, MetadataHandler, Order, Project, RunningAggregate, Scan, SingleInputOperator, SinkOperator, SourceOperator, Store, Transform, Union, Unnest, Values, Window, Writer

public interface LogicalOperator
extends GraphValue<LogicalOperator>

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	LogicalOperator.NodeBuilder<T extends LogicalOperator>

Method Summary

Modifier and Type	Method and Description
<T,X,E extends Throwable> T	accept(LogicalVisitor<T,X,E> logicalVisitor, X value) Provides capability to build a set of output based on traversing a query graph tree.
LogicalOperator.NodeBuilder<?>	nodeBuilder()
void	registerAsSubscriber(LogicalOperator operator)
void	setupAndValidate(List<LogicalOperator> operators, Collection<ValidationError> errors)

Methods inherited from interface org.apache.drill.common.graph.GraphValue

accept

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Detail

setupAndValidate

void setupAndValidate(List<LogicalOperator> operators,
                      Collection<ValidationError> errors)

accept

<T,X,E extends Throwable> T accept(LogicalVisitor<T,X,E> logicalVisitor,
                                   X value)
                            throws E extends Throwable

Provides capability to build a set of output based on traversing a query graph tree.

Parameters:

logicalVisitor -

Returns:

Throws:

E extends Throwable

registerAsSubscriber

void registerAsSubscriber(LogicalOperator operator)

nodeBuilder

LogicalOperator.NodeBuilder<?> nodeBuilder()