org.apache.calcite.rel.metadata

Class ChainedRelMetadataProvider.ChainedInvocationHandler

java.lang.Object

org.apache.calcite.rel.metadata.ChainedRelMetadataProvider.ChainedInvocationHandler

All Implemented Interfaces:

InvocationHandler

Enclosing class:

ChainedRelMetadataProvider

private static class ChainedRelMetadataProvider.ChainedInvocationHandler
extends Object
implements InvocationHandler

Invocation handler that calls a list of Metadata objects, returning the first non-null value.

Field Summary

Fields

Modifier and Type	Field and Description
private List<Metadata>	metadataList

Constructor Summary

Constructors

Constructor and Description
ChainedInvocationHandler(List<Metadata> metadataList)

Method Summary

Modifier and Type	Method and Description
Object	invoke(Object proxy, Method method, Object[] args)

Methods inherited from class java.lang.Object

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

Field Detail

metadataList

private final List<Metadata> metadataList

Constructor Detail

ChainedInvocationHandler

ChainedInvocationHandler(List<Metadata> metadataList)

Method Detail

invoke

public Object invoke(Object proxy,
                     Method method,
                     Object[] args)
              throws Throwable

Specified by:

invoke in interface InvocationHandler

Throws:

Throwable