RelOptRule.ConverterRelOptRuleOperand (Apache Calcite API)

java.lang.Object
- org.apache.calcite.plan.RelOptRuleOperand
- - org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Enclosing class:: RelOptRule

private static class RelOptRule.ConverterRelOptRuleOperand
extends RelOptRuleOperand

Operand to an instance of the converter rule.

Field Summary
- Fields inherited from class org.apache.calcite.plan.RelOptRuleOperand
  childPolicy, ordinalInParent, ordinalInRule, solveOrder

Constructor Summary

Constructors
Constructor	Description
`ConverterRelOptRuleOperand(java.lang.Class<R> clazz, RelTrait in, java.util.function.Predicate<? super R> predicate)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

boolean matches(RelNode rel)
Returns whether a relational expression matches this operand.
- Methods inherited from class org.apache.calcite.plan.RelOptRuleOperand
  equals, getChildOperands, getMatchedClass, getParent, getRule, hashCode, setParent, setRule
- Methods inherited from class java.lang.Object
  clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ConverterRelOptRuleOperand
```
ConverterRelOptRuleOperand(java.lang.Class<R> clazz,
                           RelTrait in,
                           java.util.function.Predicate<? super R> predicate)
```
- Method Detail
  - matches
```
public boolean matches(RelNode rel)
```
    Description copied from class: RelOptRuleOperand
    
    Returns whether a relational expression matches this operand. It must be of the right class and trait.
    
    Overrides:
    
    matches in class RelOptRuleOperand