SignFunction (DataNucleus RDBMS plugin 6.0.1-SNAPSHOT API)

java.lang.Object
- org.datanucleus.store.rdbms.sql.method.SimpleNumericMethod
- - org.datanucleus.store.rdbms.sql.method.SignFunction

All Implemented Interfaces:

SQLMethod
```
public class SignFunction
extends SimpleNumericMethod
```
Expression handler to invoke the SQL SIGN function. For use in evaluating SIGN({expr}) where the RDBMS supports this function. Returns a NumericExpression "SIGN({numericExpr})".

- Constructor Summary
  
  Constructors
  Constructor Description
  
  SignFunction()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected Class getClassForMapping()
  
  protected String getFunctionName()
  - Methods inherited from class org.datanucleus.store.rdbms.sql.method.SimpleNumericMethod
    getExpression
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SignFunction
```
public SignFunction()
```
- Method Detail
  - getFunctionName
```
protected String getFunctionName()
```
    Specified by:
    
    getFunctionName in class SimpleNumericMethod
  - getClassForMapping
```
protected Class getClassForMapping()
```
    Specified by:
    
    getClassForMapping in class SimpleNumericMethod