org.datanucleus.store.rdbms.sql.method

Class CurrentDateFunction

java.lang.Object

org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

org.datanucleus.store.rdbms.sql.method.CurrentDateFunction

All Implemented Interfaces:

SQLMethod

public class CurrentDateFunction
extends AbstractSQLMethod

Expression handler to invoke the SQL CURRENT_DATE function. For use in evaluating CURRENT_DATE where the RDBMS supports this function. Returns a TemporalExpression "CURRENT_DATE".

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

clr, exprFactory, stmt

Constructor Summary

Constructors

Constructor and Description
CurrentDateFunction()

Method Summary

Modifier and Type	Method and Description
protected Class	getClassForMapping()
SQLExpression	getExpression(SQLExpression expr, List<SQLExpression> args) Return the expression for this SQL function.
protected String	getFunctionName()

Methods inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

getMappingForClass, setStatement

Methods inherited from class java.lang.Object

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

Constructor Detail

CurrentDateFunction

public CurrentDateFunction()

Method Detail

getFunctionName

protected String getFunctionName()

getExpression

public SQLExpression getExpression(SQLExpression expr,
                                   List<SQLExpression> args)

Description copied from interface: SQLMethod

Return the expression for this SQL function.

Parameters:

expr - The expression that it is invoked on

args - Arguments passed in

Returns:

The SQL expression using the SQL function

getClassForMapping

protected Class getClassForMapping()