er.extensions.foundation
Class ERXArrayUtilities.FetchSpecOperator

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

All Implemented Interfaces:

NSArray.Operator

Enclosing class:

ERXArrayUtilities

public static class ERXArrayUtilities.FetchSpecOperator
extends Object
implements NSArray.Operator

Define an NSArray.Operator for the key fetchSpec.

This allows for key value paths like:

myArray.valueForKey("@fetchSpec.fetchUsers");

Which in this case would return myArray filtered and sorted by the EOFetchSpecification named "fetchUsers" which must be a model-based fetchspec in the first object's entity.

Constructor Summary

ERXArrayUtilities.FetchSpecOperator()
public empty constructor

Method Summary

Object

compute(NSArray array, String keypath) Filters and sorts the given array by the named fetchspecification.

Methods inherited from class java.lang.Object

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

Constructor Detail

ERXArrayUtilities.FetchSpecOperator

public ERXArrayUtilities.FetchSpecOperator()

public empty constructor

Method Detail

compute

public Object compute(NSArray array,
                      String keypath)

Filters and sorts the given array by the named fetchspecification.

Specified by:

compute in interface NSArray.Operator

Parameters:

array - array to be filtered.

keypath - name of fetch specification.

Returns:

immutable filtered array.