net.sf.farrago.rng
Class FarragoRngImplementorTable

java.lang.Object
  org.eigenbase.oj.rex.OJRexImplementorTableImpl
      net.sf.farrago.ojrex.FarragoOJRexImplementorTable
          net.sf.farrago.rng.FarragoRngImplementorTable

All Implemented Interfaces:

OJRexImplementorTable

public class FarragoRngImplementorTable
extends FarragoOJRexImplementorTable

FarragoRngImplementorTable extends FarragoOJRexImplementorTable with code generation for the NEXT_RANDOM_INT operator.

Version:

$Id: //open/dev/farrago/examples/rng/src/net/sf/farrago/rng/FarragoRngImplementorTable.java#5 $

Author:

John V. Sichi

Nested Class Summary

Nested classes/interfaces inherited from class org.eigenbase.oj.rex.OJRexImplementorTableImpl

OJRexImplementorTableImpl.OJBasicAggImplementor, OJRexImplementorTableImpl.OJCountAggImplementor, OJRexImplementorTableImpl.OJMinMaxAggImplementor, OJRexImplementorTableImpl.OJSumAggImplementor

Field Summary

private static FarragoRngImplementorTable

instance

Constructor Summary

private

FarragoRngImplementorTable(SqlStdOperatorTable opTab)

Method Summary

static FarragoRngImplementorTable

rngInstance() Retrieves the singleton, creating it if necessary.

Methods inherited from class net.sf.farrago.ojrex.FarragoOJRexImplementorTable

initStandard, registerBinaryOperator, registerContextOp, registerUnaryOperator

Methods inherited from class org.eigenbase.oj.rex.OJRexImplementorTableImpl

get, get, instance, registerOperator

Methods inherited from class java.lang.Object

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

Field Detail

instance

private static FarragoRngImplementorTable instance

Constructor Detail

FarragoRngImplementorTable

private FarragoRngImplementorTable(SqlStdOperatorTable opTab)

Method Detail

rngInstance

public static FarragoRngImplementorTable rngInstance()

Retrieves the singleton, creating it if necessary.

Returns:

singleton with RNG-specific type