Changes between Version 12 and Version 13 of DynamicDatasources

Timestamp:

04/12/06 17:14:06 (19 years ago)

Author:

grimnes

Comment:

--

DynamicDatasources

@@ -51 +51 @@
    * The return value of crawlObjects is taken from ExitCode, it has predefined values for you.
    * The CrawlerBase does many things for you, for example it provides a dataAccess object, which you use to check if things are new. This  is essentially like a hash-table for each URI, allowing you to store key=>values for each Id, and it has predefined keys for date and size.
-   * For each item you crawl, call handler.objectNew, objectNotModified or objectChanged.
+   * For each item you crawl, call handler.objectNew, objectNotModified or objectChanged. 
+   * The handler object can also supply you with RDFContainers for storing info about your items: 
+{{{
+RDFContainer rdf = handler.getRDFContainerFactory(this,e.getUri()).getRDFContainer(uri);
+DataObject res=new DataObjectBase(uri,source,rdf);
+                
+rdf.add(DATA.name,e.getTitle());
+rdf.add(DATA.description,e.getDescription().toString());
+}}}
+     This RDFContainer also has nice utility methods for creating the rdf content, and the [http://aperture.sourceforge.net/ontology/data.rdfs DATA schema] has handy properties.