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List:       xmlrpc-user
Subject:    [jira] [Commented] (AXIOM-96) StreamingOMSerializer expands OMSourcedElement nodes
From:       "Hudson (JIRA)" <jira () apache ! org>
Date:       2012-12-29 20:30:13
Message-ID: JIRA.12443277.1260808833676.62829.1356813013062 () arcas
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    [ https://issues.apache.org/jira/browse/AXIOM-96?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13540989#comment-13540989 \
] 

Hudson commented on AXIOM-96:
-----------------------------

Integrated in ws-axiom-trunk #1304 (See \
[https://builds.apache.org/job/ws-axiom-trunk/1304/])  AXIOM-311: Refactored the test \
cases for AXIOM-96. (Revision 1426807)

     Result = SUCCESS
veithen : 
Files : 
* /webservices/commons/trunk/modules/axiom/modules/axiom-tests/src/test/java/org/apache/axiom/om/impl/serializer/OMSerializerTest.java
                
* /webservices/commons/trunk/modules/axiom/modules/axiom-testsuite/src/main/java/org/apache/axiom/ts/om/OMTestSuiteBuilder.java
                
* /webservices/commons/trunk/modules/axiom/modules/axiom-testsuite/src/main/java/org/apache/axiom/ts/om/misc/TestElementPullStreamAndOMExpansion.java
                
* /webservices/commons/trunk/modules/axiom/modules/axiom-testsuite/src/main/java/org/apache/axiom/ts/om/misc/TestElementPullStreamAndOMExpansion2.java
                
* /webservices/commons/trunk/modules/axiom/modules/axiom-testsuite/src/main/java/org/apache/axiom/ts/om/misc/TestElementPullStreamAndOMExpansion3.java


                
> StreamingOMSerializer expands OMSourcedElement nodes
> ----------------------------------------------------
> 
> Key: AXIOM-96
> URL: https://issues.apache.org/jira/browse/AXIOM-96
> Project: Axiom
> Issue Type: Bug
> Reporter: Rich Scheuerle
> Assignee: Rich Scheuerle
> Fix For: 1.2.9
> 
> Original Estimate: 24h
> Remaining Estimate: 24h
> 
> Background:
> An OM tree may have one or more OMSourcedElement nodes in the tree.  An \
> OMSourcedElement represents an OMElement but contains its content in an alternative \
> form (String, bytes, JAXB object etc.) The OMSourcedElement nodes allow OM to \
> represent a message with a much flatter tree.  Problem:
> If an OM tree containing OMSourcedElements is serialized with the \
> StreamingOMSerializer, the OMSourcedElements are inadvertently expanded.  This \
> extra processing is slow and unnecessary.    Solution:
> The StreamingOMSerializer uses an OMNavigator to walk the incoming XMLStreamReader \
> events.   When the OMNavigator encounters a OMSourcedElement, it expands the \
> OMSourcedElement so that it can generated the XMLStreamReader events for the \
> content. The solution is to add a property to the OMNavigator to allow it to tree \
> OMSourcedElements as leaf objects.   In such cases, the StreamingOMSerializer can \
> gain access to the OMDataSource and write it out directly.   This increases \
> performance because it eliminates the expansion of the tree. I am working on a \
> series of validation tests and a code solution.

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