Package org.apache.drill.common.logical.data

Interface LogicalOperator

All Superinterfaces:

GraphValue<LogicalOperator>, Iterable<LogicalOperator>

All Known Implementing Classes:

Analyze, Except, Filter, Flatten, GroupingAggregate, InsertWriter, Intersect, 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	Description
static interface	LogicalOperator.NodeBuilder<T extends LogicalOperator>

Method Summary

Modifier and Type	Method	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 Details

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

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

Parameters:

logicalVisitor -

Returns:

Throws:

E

registerAsSubscriber

void registerAsSubscriber(LogicalOperator operator)

nodeBuilder

LogicalOperator.NodeBuilder<?> nodeBuilder()