OpenEdge.Core.Collections.KeySet

Namespace:

OpenEdge.Core.Collections

Type: Class

KeySet

Parent Classes:

Progress.Lang.Object

OpenEdge.Core.Collections.MapBackedCollection

OpenEdge.Core.Collections.KeySet

Inherits:

OpenEdge.Core.Collections.MapBackedCollection

Implements:

OpenEdge.Core.Collections.ISet

	Purpose: ****************************************************************************
	Copyright 2012, 2020 Progress Software Corporation
	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at
	http://www.apache.org/licenses/LICENSE-2.0
	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
File:	KeySet
Author(s):	hdaniels
Created:	apr 2010
Notes:	no empty constructor, specialized for KeySet of IMap
	- Changes to the map are reflected here, and vice-versa.
	- Supports removal and removes the corresponding map entry from the map
	(Iterator.remove, Collection.remove, removeAll, retainAll and clear) .
	- Do not support add and addAll.
	- no empty constructor, specialised for IMap
	/* Constructor

Options

Name

Purpose

LOGICAL Contains (Object)

LOGICAL ContainsAll (ICollection)

LOGICAL Equals (Object)

/* Equals if Set and every member of the specified set is contained in this set */

LOGICAL Remove (Object)

LOGICAL RemoveAll (ICollection)

LOGICAL RetainAll (ICollection)

Options

Name

Purpose

KeySet (IMap, handle, character)

KeySet (IMap, handle, character, character)

/* Constructor @param IMap The owning map @param handle The underlying TT holding the data @param character (optional) Query string @param character The field holding the data in the TT */