org.datanucleus.store.rdbms.sql.method

Class AbsFunction

java.lang.Object

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

org.datanucleus.store.rdbms.sql.method.SimpleNumericMethod

org.datanucleus.store.rdbms.sql.method.AbsFunction

All Implemented Interfaces:

SQLMethod

public class AbsFunction
extends SimpleNumericMethod

Expression handler to invoke the SQL ABS function. For use in evaluating ABS({expr}) where the RDBMS supports this function. Returns a NumericExpression "ABS({numericExpr})".

Field Summary

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

clr, exprFactory, LOCALISER, stmt

Constructor Summary

Constructors

Constructor and Description
AbsFunction()

Method Summary

Methods

Modifier and Type	Method and Description
protected java.lang.Class	getClassForMapping()
protected java.lang.String	getFunctionName()

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

getExpression

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

AbsFunction

public AbsFunction()

Method Detail

getFunctionName

protected java.lang.String getFunctionName()

Specified by:

getFunctionName in class SimpleNumericMethod

getClassForMapping

protected java.lang.Class getClassForMapping()

Specified by:

getClassForMapping in class SimpleNumericMethod