Symbian3/SDK/Source/GUID-50AB1B77-1912-5C73-A1B5-41220E7A2EA5.dita
changeset 7 51a74ef9ed63
child 8 ae94777fff8f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-50AB1B77-1912-5C73-A1B5-41220E7A2EA5.dita	Wed Mar 31 11:11:55 2010 +0100
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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-50AB1B77-1912-5C73-A1B5-41220E7A2EA5" xml:lang="en"><title>Store
+map as repository for Swizzles and associated stream IDs</title><shortdesc>This document describes using a store map as a repository for Swizzles
+and associated stream IDs.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>A store map is a table of entries where each entry consists of a Swizzle
+and a stream ID.</p>
+<p>When the in-memory object represented by a Swizzle is externalised, the
+resulting stream ID and the associated Swizzle can be added to a store map.
+The effect is to create an entry in the store map table containing the stream
+ID and the associated Swizzle; the Swizzle is said to be bound to the stream
+ID. Creating this entry in the store map is done using <codeph>CStoreMap::BindL()</codeph>.</p>
+<p>For a container type class <codeph>CCompound</codeph>, the diagram below
+shows the result of:</p>
+<ul>
+<li id="GUID-B49D7824-7128-506F-B026-A6F4785C5C94"><p>streaming out the in-memory
+objects represented by the Swizzles <codeph>iA</codeph>, <codeph>iB</codeph> and <codeph>iC</codeph>.</p> </li>
+<li id="GUID-F3352249-7B90-5F90-B706-A01DC2C87C41"><p>binding the swizzles
+with the resulting stream IDs</p> </li>
+</ul>
+<p>The other characteristics of a store map follow from this. </p>
+<fig id="GUID-16CAA671-B195-558E-868A-46463EDEB476">
+<title/>
+<image href="GUID-4028CDCF-D2E8-5668-A751-A7CFA86CED46_d0e363900_href.png" placement="inline"/>
+</fig>
+<p>Entries in the store map can be deleted. An entry can be identified either
+by Swizzle or by stream ID. <codeph>CStoreMap::Unbind()</codeph> deletes an
+entry identified by Swizzle; <codeph>CStoreMap::Forget()</codeph> deletes
+an entry identified by stream ID.</p>
+</conbody></concept>
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