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| [[Category:Users|Rick Barkhouse]] | | [[Category:Users|Rick Barkhouse]] |
| [[Category:Committers|Rick Barkhouse]] | | [[Category:Committers|Rick Barkhouse]] |
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− | ----
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− | {{EclipseLink_UserGuide
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− | |info=y
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− | |toc=y
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− | |api=n
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− | }}
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− | = Refreshing Metadata =
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− | EclipseLink MOXy 2.3 introduces the ability to refresh your '''JAXBContext's''' metadata at runtime. This allows you to make changes to existing mappings in a live application environment and see those changes immediately without having to create a new '''JAXBContext'''.
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− | In order to use the Metadata Refresh feature, your metadata information must be provided as either '''Node(s)''' or '''MetadataSource'''.
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− | == Example ==
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− | Our example will be bootstrapped from the following EclipseLink OXM file:
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− | <source lang="xml">
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− | <?xml version="1.0"?>
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− | <xml-bindings
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− | xmlns="http://www.eclipse.org/eclipselink/xsds/persistence/oxm"
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− | package-name="example">
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− | <java-types>
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− | <java-type name="Root">
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− | <java-attributes>
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− | <xml-element java-attribute="name" name="orig-name"/>
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− | </java-attributes>
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− | </java-type>
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− | </java-types>
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− | </xml-bindings>
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− | </source>
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− | Our '''JAXBContext''' is created in the standard way:
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− | <source lang="java">
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− | ClassLoader classLoader = ClassLoader.getSystemClassLoader();
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− | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
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− | dbf.setNamespaceAware(true);
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− | DocumentBuilder db = dbf.newDocumentBuilder();
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− | InputStream metadataStream = classLoader.getResourceAsStream("example/eclipselink-oxm.xml";
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− | Document metadataDocument = db.parse(metadataStream);
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− | metadataStream.close();
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− | Map<String, Object> props = new HashMap<String, Object>(1);
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− | props.put(JAXBContextFactory.ECLIPSELINK_OXM_XML_KEY, metadataDocument);
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− | JAXBContext jc = JAXBContextFactory.createContext(new Class[] { Root.class }, props);
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− | </source>
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Latest revision as of 16:05, 20 June 2011
bugzilla id: rick.barkhouse (at) oracle.com
committer id: rbarkhous
Location: Ottawa, Canada - Eastern Standard Time
- Committer on Eclipse Persistence Services project - EclipseLink
Profession:
Software Engineer
Currently working for Oracle Corporation on their TopLink product.
Also working with Eclipse Foundation on their EclipseLink product.