er.extensions.foundation
Class ERXArrayUtilities.LimitOperator

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

All Implemented Interfaces:

NSArray.Operator

Enclosing class:

ERXArrayUtilities

public static class ERXArrayUtilities.LimitOperator
extends Object

Define an NSArray.Operator for the key limit, which is similar to subarrayWithRange except that it is always from 0 to the limit value. If the limit specified is larger than the size of the array, the entire array will be returned.
This allows for key value paths like:

myArray.valueForKeyPath("@limit.10.name");

Constructor Summary

ERXArrayUtilities.LimitOperator()
Constructs a new LimitOperator

Method Summary

Object	compute(NSArray array, String keypath) Computes the subarray of 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.LimitOperator

public ERXArrayUtilities.LimitOperator()

Constructs a new LimitOperator

Method Detail

compute

public Object compute(NSArray array,
                      String keypath)

Computes the subarray of the given array.

Parameters:

array - array to be checked.

keypath - name of fetch specification.

Returns:

the subarray for the given limit

contents

public NSArray contents(NSArray array,
                        String keypath)