RexUtil.ForwardRefFinder.IllegalForwardRefException (Apache Calcite API)

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - org.apache.calcite.util.ControlFlowException
      - org.apache.calcite.rex.RexUtil.ForwardRefFinder.IllegalForwardRefException

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

RexUtil.ForwardRefFinder
```
static class RexUtil.ForwardRefFinder.IllegalForwardRefException
extends ControlFlowException
```
Thrown to abort a visit when we find an illegal forward reference. It changes control flow but is not considered an error.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  IllegalForwardRefException()
- Method Summary
  - Methods inherited from class org.apache.calcite.util.ControlFlowException
    fillInStackTrace
  - Methods inherited from class java.lang.Throwable
    addSuppressed, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - IllegalForwardRefException
```
IllegalForwardRefException()
```