Package org.apache.calcite.rel.hint

Class CompositeHintPredicate

java.lang.Object

org.apache.calcite.rel.hint.CompositeHintPredicate

All Implemented Interfaces:

HintPredicate

public class CompositeHintPredicate
extends Object
implements HintPredicate

A HintPredicate to combine multiple hint predicates into one.

The composition can be AND or OR.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	CompositeHintPredicate.Composition	How hint predicates are composed.

Method Summary

Modifier and Type	Method	Description
boolean	apply(RelHint hint, RelNode rel)	Decides if the given hint can be applied to the relational expression rel.

Methods inherited from class java.lang.Object

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

Method Details

apply

public boolean apply(RelHint hint,
 RelNode rel)

Description copied from interface: HintPredicate

Decides if the given hint can be applied to the relational expression rel.

Specified by:

apply in interface HintPredicate

Parameters:

hint - The hint

rel - The relational expression

Returns:

True if the hint can be applied to the rel