org.hibernate.dialect.function

Class ConditionalParenthesisFunction

java.lang.Object

org.hibernate.dialect.function.StandardSQLFunction

org.hibernate.dialect.function.ConditionalParenthesisFunction

All Implemented Interfaces:

SQLFunction

public class ConditionalParenthesisFunction
extends StandardSQLFunction

Essentially the same as StandardSQLFunction, except that here the parentheses are not included when no arguments are given.

Author:

Jonathan Levinson

Constructor Summary

Constructors

Constructor and Description
ConditionalParenthesisFunction(String name) Constructs a ConditionalParenthesisFunction with the given name
ConditionalParenthesisFunction(String name, Type type) Constructs a ConditionalParenthesisFunction with the given name

Method Summary

Modifier and Type	Method and Description
boolean	hasParenthesesIfNoArguments() If there are no arguments, are parentheses required?
String	render(Type firstArgumentType, List arguments, SessionFactoryImplementor sessionFactory) Render the function call as SQL fragment.

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

getName, getReturnType, getType, hasArguments, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ConditionalParenthesisFunction

public ConditionalParenthesisFunction(String name)

Constructs a ConditionalParenthesisFunction with the given name

Parameters:

name - The function name

ConditionalParenthesisFunction

public ConditionalParenthesisFunction(String name,
                                      Type type)

Constructs a ConditionalParenthesisFunction with the given name

Parameters:

name - The function name

type - The function return type

Method Detail

hasParenthesesIfNoArguments

public boolean hasParenthesesIfNoArguments()

Description copied from interface: SQLFunction

If there are no arguments, are parentheses required?

Specified by:

hasParenthesesIfNoArguments in interface SQLFunction

Overrides:

hasParenthesesIfNoArguments in class StandardSQLFunction

Returns:

True if a no-arg call of this function requires parentheses.

render

public String render(Type firstArgumentType,
                     List arguments,
                     SessionFactoryImplementor sessionFactory)

Description copied from interface: SQLFunction

Render the function call as SQL fragment.

Note, the 'firstArgumentType' parameter should match the one passed into SQLFunction.getReturnType(org.hibernate.type.Type, org.hibernate.engine.spi.Mapping)

Specified by:

render in interface SQLFunction

Overrides:

render in class StandardSQLFunction

Parameters:

firstArgumentType - The type of the first argument

arguments - The function arguments

sessionFactory - The SessionFactory

Returns:

The rendered function call