Namespace: OpenEdge.Core.Collections
Class
Map
Parent classes:
Progress.Lang.Object

Inherits: Progress.Lang.Object
Implements: OpenEdge.Core.Collections.IMap

Copyright (c) 2013, 2015, 2017-2018, 2020 by Progress Software Corporation. All rights reserved.
File:Map
Purpose:Unique Key-Value mapping collection
Author(s):hdaniels
Created:Sun Apr 11 01:35:13 EDT 2010




Method Summary
Options Name Purpose
Clear () /* Empties the map's contents */
LOGICAL ContainsAllKeys (ICollection) /* Returns true if this map contains all of the keys passed in. @param ICollection The collection of keys @return logical TRUE if all of the keys in the input collection are in the map */
LOGICAL ContainsAllValues (ICollection) /* Returns true if this map contains all of the values passed in. @param ICollection The collection of values @return logical TRUE if all of the values in the input collection are in the map */
LOGICAL ContainsKey (Object) /* Indicates whether the map contains a particular key @param Object A key value to search @return Logical TRUE if the map contains the key value */
LOGICAL ContainsValue (Object) /* Returns true if this map contains the value passed in. @param ICollection The value to check @return logical TRUE if the value is in the map */
LOGICAL Equals (Object) /* Returns true if the given object is also a map and the two Maps represent the same mappings. */
Progress.Lang.Object Get (Object) /* Returns a value for a given key in the Map @param Object The key fopr which to return a value. NULL/unknown if the key is not in the map @return Object The value represented by the key */
LOGICAL IsEmpty () /* Indicates whether the map has any entries. @return logical TRUE if the map is empty (no entries) and false otherwise */
Progress.Lang.Object Put (Object, Object) /* Add entry to the map, return old value of any. Note that return of unknown could also mean that the old mapped value was unknown... (check Size before and after) @param Object The key for this mapping @param Object The value for the mapping @return Object If a value is replaced, the previous value is returned, otherwise null */
PutAll (IMap) /* Adds all entries from another map to this one. @param IMap The input map */
Progress.Lang.Object Remove (Object) /* Removes an entry @param Object The key for the entry to remove @param Object the value associated with that key. May be null. Note that return of unknown could also mean that the old mapped value was unknown. */
RemoveAll (ICollection) /** Removes the mappings for all key from this map if it is present (optional operation). @param ICollection A collection of keys to remove */

Constructor Summary
Options Name Purpose
Map () /* Default constructor */
Map (IMap) /* Constructor. Creates a new map an populates with with a set of values. @param IMap Contains values to add to this map */

Property Summary
Options Name Purpose
OpenEdge.Core.Collections.ISet EntrySet
OpenEdge.Core.Collections.ISet KeySet
INTEGER Size
OpenEdge.Core.Collections.ICollection Values


Method Detail
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Clear ()

/* Empties the map's contents
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LOGICAL ContainsAllKeys (ICollection)

/* Returns true if this map contains all of the keys passed in.
Parameters:
poKeys OpenEdge.Core.Collections.ICollection
Returns LOGICAL
logical TRUE if all of the keys in the input collection are in the map
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LOGICAL ContainsAllValues (ICollection)

/* Returns true if this map contains all of the values passed in.
Parameters:
poValues OpenEdge.Core.Collections.ICollection
Returns LOGICAL
logical TRUE if all of the values in the input collection are in the map
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LOGICAL ContainsKey (Object)

/* Indicates whether the map contains a particular key
Parameters:
poKey Progress.Lang.Object
Returns LOGICAL
Logical TRUE if the map contains the key value
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LOGICAL ContainsValue (Object)

/* Returns true if this map contains the value passed in.
Parameters:
poValue Progress.Lang.Object
Returns LOGICAL
logical TRUE if the value is in the map
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LOGICAL Equals (Object)

/* Returns true if the given object is also a map and the two Maps represent the same mappings.
Parameters:
o Progress.Lang.Object
Returns LOGICAL
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Progress.Lang.Object Get (Object)

/* Returns a value for a given key in the Map
Parameters:
poKey Progress.Lang.Object
Returns Progress.Lang.Object
Object The value represented by the key
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LOGICAL IsEmpty ()

/* Indicates whether the map has any entries.
Returns LOGICAL
logical TRUE if the map is empty (no entries) and false otherwise
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Progress.Lang.Object Put (Object, Object)

/* Add entry to the map, return old value of any. Note that return of unknown could
also mean that the old mapped value was unknown... (check Size before and after)
Parameters:
poKey Progress.Lang.Object
poValue Progress.Lang.Object
Returns Progress.Lang.Object
Object If a value is replaced, the previous value is returned, otherwise null
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PutAll (IMap)

/* Adds all entries from another map to this one.
Parameters:
poMap OpenEdge.Core.Collections.IMap
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Progress.Lang.Object Remove (Object)

/* Removes an entry
also mean that the old mapped value was unknown.
Parameters:
poKey Progress.Lang.Object
Returns Progress.Lang.Object
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RemoveAll (ICollection)

Purpose: Removes the mappings for all key from this map if it is present (optional operation).
Parameters:
poKeys OpenEdge.Core.Collections.ICollection


Constructor Detail
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Map ()

/* Default constructor
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Map (IMap)

/* Constructor. Creates a new map an populates with with a set of values.
Parameters:
poMap OpenEdge.Core.Collections.IMap


Property Detail
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OpenEdge.Core.Collections.ISet EntrySet

Returns OpenEdge.Core.Collections.ISet
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OpenEdge.Core.Collections.ISet KeySet

Returns OpenEdge.Core.Collections.ISet
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INTEGER Size

Returns INTEGER
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OpenEdge.Core.Collections.ICollection Values

Returns OpenEdge.Core.Collections.ICollection


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Progress® OpenEdge® Release 11.7.15