Class AbstractSingle

java.lang.Object
org.apache.drill.exec.physical.base.AbstractBase
org.apache.drill.exec.physical.base.AbstractSingle
All Implemented Interfaces:
Iterable<PhysicalOperator>, GraphValue<PhysicalOperator>, PhysicalOperator
Direct Known Subclasses:
AbstractExchange, AbstractSender, AbstractStore, AbstractWriter, ComplexToJson, Filter, FlattenPOP, HashAggregate, IteratorValidator, Limit, MetadataHandlerPOP, ProducerConsumer, Project, RuntimeFilterPOP, SelectionVectorRemover, Sort, StatisticsMerge, StreamingAggregate, TableModify, Trace, UnpivotMaps, WindowPOP

public abstract class AbstractSingle extends AbstractBase
Describes an operator that expects a single child operator as its input.