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

java.lang.Object
  extended by org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
      extended by 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, LOCALISER, stmt
 
Constructor Summary
CurrentDateFunction()
           
 
Method Summary
protected  java.lang.Class getClassForMapping()
           
 SQLExpression getExpression(SQLExpression expr, java.util.List args)
          Return the expression for this SQL function.
protected  java.lang.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 java.lang.String getFunctionName()

getExpression

public SQLExpression getExpression(SQLExpression expr,
                                   java.util.List 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 java.lang.Class getClassForMapping()


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