org.hibernate.dialect.function
Class ClassicAvgFunction

java.lang.Object
  org.hibernate.dialect.function.StandardSQLFunction
      org.hibernate.dialect.function.ClassicAvgFunction

All Implemented Interfaces:

SQLFunction

public class ClassicAvgFunction
extends StandardSQLFunction

Classic AVG sqlfunction that return types as it was done in Hibernate 3.1

Author:

Max Rydahl Andersen

Constructor Summary

ClassicAvgFunction()

Method Summary

Type	getReturnType(Type columnType, Mapping mapping) The return type of the function.

Methods inherited from class org.hibernate.dialect.function.StandardSQLFunction

getName, getType, hasArguments, hasParenthesesIfNoArguments, render, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassicAvgFunction

public ClassicAvgFunction()

Method Detail

getReturnType

public Type getReturnType(Type columnType,
                          Mapping mapping)
                   throws QueryException

Description copied from class: StandardSQLFunction

The return type of the function. May be either a concrete type which is preset, or variable depending upon the type of the first function argument.

Note, the 'firstArgumentType' parameter should match the one passed into SQLFunction.render(org.hibernate.type.Type, java.util.List, org.hibernate.engine.SessionFactoryImplementor)

Specified by:

getReturnType in interface SQLFunction

Overrides:

getReturnType in class StandardSQLFunction

Parameters:

columnType - The type of the first argument

mapping - The mapping source.

Returns:

The type to be expected as a return.

Throws:

QueryException - Indicates an issue resolving the return type.