Namespace: OpenEdge.Messaging
Class
Headers
Parent classes:
Progress.Lang.Object
OpenEdge.Messaging.Headers

Inherits: Progress.Lang.Object
Implements: OpenEdge.Messaging.IHeaders

/*
Copyright © 2021 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
Purpose:
This is the default implementation of IHeaders.




Method Summary
Options Name Purpose
OpenEdge.Messaging.IHeaders Add (RecordHeader) /** Add a header to the collection. @param recordHeader The header to add. @return this Headers collection */
CheckReadOnly () /** Check if the collection is readonly. To be called before any modification to the collection is performed. @throws MessagingError if the collection is readonly */
GetIterator () /** Return an iterator over the collection */
OpenEdge.Messaging.RecordHeader GetLastHeader (character) /** Return the last header in the collection that matches the given key @return the last record header, if any, found in the collection with the given key. */
OpenEdge.Messaging.IHeaders Remove (character) /** Remove all headers from the collection that have the given key. @param key the key to select which headers to remove. @return this Headers collection. */
SetReadOnly () /** Make this collection of headers read-only. This is a one-way operation and there is no method to set the collection back to being read-write. */
OpenEdge.Messaging.RecordHeader ToArray () /** Convert the list to an array. @return An array containing the record headers from the collection. */

Constructor Summary
Options Name Purpose
Headers () /** Construct an empty Headers collection. */
Headers (IHeaders, logical) /** Construct a Headers collection and copy the contents of the other headers collection. to the internal collection. The collection is optionally marked as read-only. */
Headers (logical) /** Construct an empty Headers collection, optionally marking the collection as read-only. */
Headers (RecordHeader[]) /** Construct a Headers collection and copy of contents of the array to the internal collection. */
Headers (RecordHeader[], logical) /** Construct a Headers collection and copy the contents of the array to the internal collection. The collection is optionally marked as read-only. */

Property Summary
Options Name Purpose
INTEGER Count
LOGICAL IsReadOnly


Method Detail
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OpenEdge.Messaging.IHeaders Add (RecordHeader)
Purpose:
Add a header to the collection.
Parameters:
recordHeader OpenEdge.Messaging.RecordHeader
The header to add.
Returns OpenEdge.Messaging.IHeaders
this Headers collection
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CheckReadOnly ()
Purpose:
Check if the collection is readonly. To be called
before any modification to the collection is performed.
@throws MessagingError if the collection is readonly
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GetIterator ()
Purpose:
Return an iterator over the collection
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OpenEdge.Messaging.RecordHeader GetLastHeader (character)
Purpose:
Return the last header in the collection that matches the given key
Parameters:
key CHARACTER
Returns OpenEdge.Messaging.RecordHeader
the last record header, if any, found in the collection with the given key.
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OpenEdge.Messaging.IHeaders Remove (character)
Purpose:
Remove all headers from the collection that have the given key.
Parameters:
key CHARACTER
the key to select which headers to remove.
Returns OpenEdge.Messaging.IHeaders
this Headers collection.
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SetReadOnly ()
Purpose:
Make this collection of headers read-only. This is a one-way operation
and there is no method to set the collection back to being read-write.
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OpenEdge.Messaging.RecordHeader ToArray ()
Purpose:
Convert the list to an array.
Returns OpenEdge.Messaging.RecordHeader
An array containing the record headers from the collection.


Constructor Detail
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Headers ()
Purpose:
Construct an empty Headers collection.
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Headers (IHeaders, logical)
Purpose:
Construct a Headers collection and copy the contents of the other headers collection.
to the internal collection. The collection is optionally marked as
read-only.
Parameters:
headers OpenEdge.Messaging.IHeaders
readonly LOGICAL
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Headers (logical)
Purpose:
Construct an empty Headers collection, optionally marking the collection
as read-only.
Parameters:
readonly LOGICAL
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Headers (RecordHeader[])
Purpose:
Construct a Headers collection and copy of contents of the array
to the internal collection.
Parameters:
headers OpenEdge.Messaging.RecordHeader
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Headers (RecordHeader[], logical)
Purpose:
Construct a Headers collection and copy the contents of the array
to the internal collection. The collection is optionally marked as
read-only.
Parameters:
headers OpenEdge.Messaging.RecordHeader
readonly LOGICAL


Property Detail
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INTEGER Count
Returns INTEGER
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LOGICAL IsReadOnly
Returns LOGICAL


Copyright © 2022 Progress Software Corporation. All rights Reserved.

Progress® OpenEdge® Release 12.6.0