org.apache.calcite.rel.metadata

Class CyclicMetadataException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

org.apache.calcite.rel.metadata.CyclicMetadataException

All Implemented Interfaces:

Serializable

public class CyclicMetadataException
extends RuntimeException

Exception that indicates that a cycle has been detected while computing metadata.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static CyclicMetadataException	INSTANCE Singleton instance.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	CyclicMetadataException() Creates a CyclicMetadataException.

Method Summary

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, 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

Field Detail

INSTANCE

public static final CyclicMetadataException INSTANCE

Singleton instance. Since this exception is thrown for signaling purposes, rather than on an actual error, re-using a singleton instance saves the effort of constructing an exception instance.

Constructor Detail

CyclicMetadataException

private CyclicMetadataException()

Creates a CyclicMetadataException.