org.apache.flink.optimizer.postpass

Class GenericFlatTypePostPass<X,T extends AbstractSchema<X>>

java.lang.Object

org.apache.flink.optimizer.postpass.GenericFlatTypePostPass<X,T>

All Implemented Interfaces:

OptimizerPostPass

Direct Known Subclasses:

RecordModelPostPass

public abstract class GenericFlatTypePostPass<X,T extends AbstractSchema<X>>
extends Object
implements OptimizerPostPass

Constructor Summary

Constructors

Constructor and Description
GenericFlatTypePostPass()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract TypeComparatorFactory<?>	createComparator(FieldList fields, boolean[] directions, T schema)
protected abstract T	createEmptySchema()
protected abstract TypePairComparatorFactory<?,?>	createPairComparator(FieldList fields1, FieldList fields2, boolean[] sortDirections, T schema1, T schema2)
protected abstract TypeSerializerFactory<?>	createSerializer(T schema)
protected abstract void	getDualInputNodeSchema(DualInputPlanNode node, T input1Schema, T input2Schema)
protected abstract void	getSingleInputNodeSchema(SingleInputPlanNode node, T schema)
protected abstract void	getSinkSchema(SinkPlanNode sink, T schema)
boolean	isPropagateParentSchemaDown()
void	postPass(OptimizedPlan plan) Central post processing function.
void	setPropagateParentSchemaDown(boolean propagateParentSchemaDown)
protected void	traverse(PlanNode node, T parentSchema, boolean createUtilities)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GenericFlatTypePostPass

public GenericFlatTypePostPass()

Method Detail

isPropagateParentSchemaDown

public boolean isPropagateParentSchemaDown()

setPropagateParentSchemaDown

public void setPropagateParentSchemaDown(boolean propagateParentSchemaDown)

postPass

public void postPass(OptimizedPlan plan)

Description copied from interface: OptimizerPostPass

Central post processing function. Invoked by the optimizer after the best plan has been determined.

Specified by:

postPass in interface OptimizerPostPass

Parameters:

plan - The plan to be post processed.

traverse

protected void traverse(PlanNode node,
            T parentSchema,
            boolean createUtilities)

createEmptySchema

protected abstract T createEmptySchema()

getSinkSchema

protected abstract void getSinkSchema(SinkPlanNode sink,
                 T schema)
                               throws CompilerPostPassException,
                                      ConflictingFieldTypeInfoException

Throws:

CompilerPostPassException

ConflictingFieldTypeInfoException

getSingleInputNodeSchema

protected abstract void getSingleInputNodeSchema(SingleInputPlanNode node,
                            T schema)
                                          throws CompilerPostPassException,
                                                 ConflictingFieldTypeInfoException

Throws:

CompilerPostPassException

ConflictingFieldTypeInfoException

getDualInputNodeSchema

protected abstract void getDualInputNodeSchema(DualInputPlanNode node,
                          T input1Schema,
                          T input2Schema)
                                        throws CompilerPostPassException,
                                               ConflictingFieldTypeInfoException

Throws:

CompilerPostPassException

ConflictingFieldTypeInfoException

createSerializer

protected abstract TypeSerializerFactory<?> createSerializer(T schema)
                                                      throws MissingFieldTypeInfoException

Throws:

MissingFieldTypeInfoException

createComparator

protected abstract TypeComparatorFactory<?> createComparator(FieldList fields,
                                        boolean[] directions,
                                        T schema)
                                                      throws MissingFieldTypeInfoException

Throws:

MissingFieldTypeInfoException

createPairComparator

protected abstract TypePairComparatorFactory<?,?> createPairComparator(FieldList fields1,
                                                  FieldList fields2,
                                                  boolean[] sortDirections,
                                                  T schema1,
                                                  T schema2)
                                                                throws MissingFieldTypeInfoException

Throws:

MissingFieldTypeInfoException