net.sf.farrago.query
Class FarragoRelImplementor.UdfAwareOJRexImplementorTable

java.lang.Object
  net.sf.farrago.query.FarragoRelImplementor.UdfAwareOJRexImplementorTable

All Implemented Interfaces:

OJRexImplementorTable

Enclosing class:

FarragoRelImplementor

private static class FarragoRelImplementor.UdfAwareOJRexImplementorTable
extends Object
implements OJRexImplementorTable

An operator implementor table which knows about UDF's.

Field Summary

private OJRexImplementorTable

delegate

Constructor Summary

FarragoRelImplementor.UdfAwareOJRexImplementorTable(OJRexImplementorTable delegate)

Method Summary

OJAggImplementor	get(Aggregation aggregation) Retrieves the implementor of an aggregate, or null if there is no implementor registered.
OJRexImplementor	get(SqlOperator op) Retrieves the implementor of an operator, or null if there is no implementor registered.

Methods inherited from class java.lang.Object

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

Field Detail

delegate

private final OJRexImplementorTable delegate

Constructor Detail

FarragoRelImplementor.UdfAwareOJRexImplementorTable

public FarragoRelImplementor.UdfAwareOJRexImplementorTable(OJRexImplementorTable delegate)

Method Detail

get

public OJRexImplementor get(SqlOperator op)

Description copied from interface: OJRexImplementorTable

Retrieves the implementor of an operator, or null if there is no implementor registered.

Specified by:

get in interface OJRexImplementorTable

get

public OJAggImplementor get(Aggregation aggregation)

Description copied from interface: OJRexImplementorTable

Retrieves the implementor of an aggregate, or null if there is no implementor registered.

Specified by:

get in interface OJRexImplementorTable