IsNull (Dynamo Framework - Implementation 2.6 API)

java.lang.Object
- com.ocs.dynamo.filter.AbstractFilter
- - com.ocs.dynamo.filter.IsNull

All Implemented Interfaces:

Filter, PropertyFilter
```
public final class IsNull
extends AbstractFilter
implements PropertyFilter
```
A filter for checking if a property is null

Author:

bas.rutten

Constructor Summary

Constructors
Constructor Description

IsNull(String propertyId)
Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object obj)`
`boolean`	`evaluate(Object that)`
`String`	`getPropertyId()`
`int`	`hashCode()`
`String`	`toString()`

Methods inherited from class com.ocs.dynamo.filter.AbstractFilter
and, and, and, applyFilter, between, getProperty, greater, greaterOrEqual, isEqual, isNull, less, lessOrEqual, like, like, likeIgnoreCase, not, or, or, or

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

- Constructor Detail
  - IsNull
```
public IsNull(String propertyId)
```
    Constructor
    
    Parameters:
    
    propertyId -
- Method Detail
  - evaluate
```
public boolean evaluate(Object that)
```
    Specified by:
    
    evaluate in interface Filter
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - getPropertyId
```
public String getPropertyId()
```
    Specified by:
    
    getPropertyId in interface PropertyFilter
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class AbstractFilter