RexImplicationChecker.InputRefUsage (Apache Calcite API)

java.lang.Object
- org.apache.calcite.plan.RexImplicationChecker.InputRefUsage<T1,T2>

Type Parameters:

T1 - left type

T2 - right type

Enclosing class:

RexImplicationChecker
```
private static class RexImplicationChecker.InputRefUsage<T1,T2>
extends java.lang.Object
```
Usage of a RexInputRef in an expression.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  private int usageCount
  
  private java.util.List<Pair<T1,T2>> usageList
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  private InputRefUsage()
- Method Summary
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

usageList

private final java.util.List<Pair<T1,T2>> usageList

usageCount
```
private int usageCount
```

Constructor Detail
- InputRefUsage
```
private InputRefUsage()
```