er.extensions.foundation
Class ERXArrayUtilities.RemoveNullValuesOperator

java.lang.Object
  er.extensions.foundation.ERXArrayUtilities.RemoveNullValuesOperator

All Implemented Interfaces:

NSArray.Operator

Enclosing class:

ERXArrayUtilities

public static class ERXArrayUtilities.RemoveNullValuesOperator
extends Object

Define an NSArray.Operator for the key removeNullValues.

This allows for key value paths like:

myArray.valueForKeyPath("@removeNullValues.someOtherPath");

Which in this case would return myArray without the occurrences of NSKeyValueCoding.Null.

Constructor Summary

ERXArrayUtilities.RemoveNullValuesOperator()
public empty constructor

Method Summary

Object	compute(NSArray array, String keypath) Removes null values from the given array.
NSArray	contents(NSArray array, String keypath)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ERXArrayUtilities.RemoveNullValuesOperator

public ERXArrayUtilities.RemoveNullValuesOperator()

public empty constructor

Method Detail

compute

public Object compute(NSArray array,
                      String keypath)

Removes null values from the given array.

Parameters:

array - array to be filtered.

keypath - name of fetch specification.

Returns:

immutable filtered array.

contents

public NSArray contents(NSArray array,
                        String keypath)