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Symbian3/PDK/Source/GUID-18D92465-3F62-55CF-8229-EE811FD5F568.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 16 Jul 2010 17:23:46 +0100
changeset 12 80ef3a206772
parent 9 59758314f811
child 14 578be2adaf3e
permissions -rw-r--r--
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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<?xml version="1.0" encoding="utf-8"?>
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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<!-- This component and the accompanying materials are made available under the terms of the License
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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"Eclipse Public License v1.0" which accompanies this distribution,
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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<!-- Initial Contributors:
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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    Nokia Corporation - initial contribution.
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
diff changeset 
     8
 
Contributors:
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
diff changeset 
     9
 
-->
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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    10
 
<!DOCTYPE concept
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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80ef3a206772 Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 9
diff changeset 
    12
 
<concept xml:lang="en" id="GUID-18D92465-3F62-55CF-8229-EE811FD5F568"><title>Stream networks</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>When a store stream is created, a stream ID is generated. This ID can be used to open the stream later. Stream IDs can be externalised into another stream, and this allows streams in a store to be built into a network.</p> <p>An object that is saved to a store may use a network of streams, typically starting with a single head stream.</p> <p>An object stores itself using a function of the form:</p> <codeblock id="GUID-A150BE2B-BCC6-52DC-BEB4-826FDDB28C09" xml:space="preserve">streamId=object.StoreL(store);</codeblock> <p>Given the correct stream ID, the object may be restored using a function of the form:</p> <codeblock id="GUID-2F6D9176-0ED8-5696-9FF8-D347084B9CFB" xml:space="preserve">object.RestoreL(store,streamId)</codeblock> <p>where <codeph>store</codeph> is a reference or pointer to a store.</p> <p>The function names <codeph>StoreL()</codeph> and <codeph>RestoreL()</codeph> are conventional for this purpose.</p> <p>The following diagram shows the idea of stream networks:</p> <fig id="GUID-970A4AE3-62C2-5BFD-990D-96D76735049A"><image href="GUID-6DA5C169-5143-5DDD-B4A0-004D4571D9B8_d0e632550_href.png" placement="inline"/></fig> </conbody></concept>
FCL/sftools/depl/docscontent