Package org.apache.calcite.rel.metadata

Class ChainedRelMetadataProvider.ChainedInvocationHandler

  • All Implemented Interfaces:
    java.lang.reflect.InvocationHandler
    Enclosing class:
    ChainedRelMetadataProvider
    private static class ChainedRelMetadataProvider.ChainedInvocationHandler
extends java.lang.Object
implements java.lang.reflect.InvocationHandler
    Invocation handler that calls a list of Metadata objects, returning the first non-null value.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.util.List<Metadata> metadataList  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object invoke​(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.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 java.util.List<Metadata> metadataList

    • Constructor Detail

      • ChainedInvocationHandler

        ChainedInvocationHandler​(java.util.List<Metadata> metadataList)

    • Method Detail

      • invoke

        public java.lang.Object invoke​(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] args)
                        throws java.lang.Throwable
        Specified by:
        invoke in interface java.lang.reflect.InvocationHandler
        Throws:
        java.lang.Throwable