OrderMissingLastAttribute (CQEngine 3.5.0 API)

java.lang.Object
- com.googlecode.cqengine.attribute.support.AbstractAttribute<O,A>
- - com.googlecode.cqengine.attribute.SimpleAttribute<O,Integer>
  - - com.googlecode.cqengine.attribute.OrderControlAttribute<O>
    - - com.googlecode.cqengine.attribute.OrderMissingLastAttribute<O>

All Implemented Interfaces:

Attribute<O,Integer>
```
public class OrderMissingLastAttribute<O>
extends OrderControlAttribute<O>
```
An OrderControlAttribute which orders results such that objects without values for the given delegate attribute are always returned after objects with values for the attribute.

Author:

niall.gallagher

Field Summary
- Fields inherited from class com.googlecode.cqengine.attribute.OrderControlAttribute
  delegateAttribute

Constructor Summary

Constructors
Constructor Description

OrderMissingLastAttribute(Attribute<O,A> delegateAttribute)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`canEqual(Object other)`
`Integer`	`getValue(O object, QueryOptions queryOptions)`	Returns the (non-null) value of the attribute from the object.

Methods inherited from class com.googlecode.cqengine.attribute.OrderControlAttribute
getDelegateAttribute

Methods inherited from class com.googlecode.cqengine.attribute.SimpleAttribute
getValues

Methods inherited from class com.googlecode.cqengine.attribute.support.AbstractAttribute
calcHashCode, equals, getAttributeName, getAttributeType, getObjectType, hashCode, toString

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

- Constructor Detail
  - OrderMissingLastAttribute
```
public OrderMissingLastAttribute(Attribute<O,A> delegateAttribute)
```
- Method Detail
  - getValue
```
public Integer getValue(O object,
                        QueryOptions queryOptions)
```
    Description copied from class: SimpleAttribute
    
    Returns the (non-null) value of the attribute from the object.
    
    Specified by:
    
    getValue in class SimpleAttribute<O,Integer>
    
    Parameters:
    
    object - The object from which the value of the attribute is required
    
    queryOptions - Optional parameters supplied by the application along with the operation which is causing this attribute to be invoked (either a query, or an update to the collection)
    
    Returns:
    
    The value for the attribute, which should never be null
  - canEqual
```
public boolean canEqual(Object other)
```
    Overrides:
    
    canEqual in class SimpleAttribute<O,Integer>