Evaluator (Openbravo ERP 3.0PR23Q2.3)

java.lang.Object
- org.openbravo.base.expression.Evaluator

All Implemented Interfaces:

OBProvidable, OBSingleton
```
public class Evaluator
extends Object
implements OBSingleton
```
Evaluates expressions in the context of a business object, the expression language supported by this class is javascript rhino.

Author:

mtaal

Constructor Summary

Constructors
Constructor Description

Evaluator()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Boolean`	`evaluateBoolean(BaseOBObjectDef contextBob, String script)`	Evaluates the passed script in the context of the passed business object.
`static Evaluator`	`getInstance()`
`static void`	`setInstance(Evaluator instance)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Evaluator
```
public Evaluator()
```
- Method Detail
  - getInstance
```
public static Evaluator getInstance()
```
  - setInstance
```
public static void setInstance(Evaluator instance)
```
  - evaluateBoolean
```
public Boolean evaluateBoolean(BaseOBObjectDef contextBob,
                               String script)
```
    Evaluates the passed script in the context of the passed business object. This means that properties of the business object may be used directly in the script. The result should always be a boolean.
    
    Parameters:
    
    contextBob - the script is executed in the context of this business object
    
    script - the javascript which much evaluate to a boolean
    
    Returns:
    
    the result of the script evaluation