Examples of nexj.core.meta.persistence.DataSourceAdapter

nexj.core.meta.persistence.DataSourceAdapter
Data source adapter class representing the different adapter strategies that are available for a data source type.

   }


   public void testUpgradeValidation()
   {
      StringWriter buf = new StringWriter();
      DataSourceAdapter invalid = new DataSourceAdapter("InvalidAdapter");
      DataSourceAdapter valid = new DataSourceAdapter("ValidAdapter");
      RelationalDatabase ds = new RelationalDatabase("DataSource");
      RelationalSchema schema = new RelationalSchema();
      final Upgrade upgrade = new Upgrade(null);
      XMLMetadata metadata = new XMLMetadata(null, null, null, null, null)
      {

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         // check for adapter compatibility limiting just to the requested datasource
         if (version instanceof RelationalSchemaUpgrade &&
             ((RelationalSchemaUpgrade)version).getDataSource() == rdb)
         {
            RelationalSchemaUpgrade upgradeVersion = (RelationalSchemaUpgrade)version;
            DataSourceAdapter adapter = upgradeVersion.getDataSource().getAdapter();


            // state already supports adapter
            if (((RelationalSchemaUpgradeState)state).containsAdapter(adapter))
            {
               return version;

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         });
      }


      db.setDefaultProperties(loader.getContainer()); // done after loading config from XML Element


      DataSourceAdapter adapter = source.getAdapter();


      if (adapter == null)
      {
         return; // no RDBMS mapping defined for "optional" DataSource, hence no component required
      }


      final Component component =
         new Component(source.getName(), adapter.getClassObject(), Component.CONTEXT);


      component.setMetadata(loader.getMetadata());


      if (element != null)
      {
         XMLUtil.withFirstChildElement(element, "SQLHook", false, new ElementHandler()
         {
            public void handleElement(Element componentElement)
            {
               Component hook = new Component("<SQLHook:" + source.getName() + ">"); 


               m_loader.loadComponent(componentElement, hook);
               component.addComponentPropertyInitializer("SQLHook", hook);
            }
         });
      }


      db.setComponent(component);


      if (adapter.getVersion() != null)
      {
         component.addPrimitivePropertyInitializer("version", adapter.getVersion());
      }


      if (!db.isUnicode())
      {
         component.addPrimitivePropertyInitializer("unicode", Boolean.FALSE);

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      }


      // ensure there is a statement for every requested adapter
      if (adapterArray == null)
      {
         DataSourceAdapter adapter = schema.getDataSource().getAdapter();


         if (adapter != null)
         {
            try
            {

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            XMLUtil.forEachChildElement(adaptersElement, "Adapter",
               m_helper.new ElementHandler("adapter")
            {
               public void handleElement(Element adapterElement, String sAdapterName)
               {
                  DataSourceAdapter adapter = new DataSourceAdapter(sAdapterName);


                  try
                  {
                     adapter.setType(type);
                     adapter.setClassObject(m_helper.getClassObject(XMLUtil.getReqStringAttr(adapterElement, "class")));
                     adapter.setVersion(XMLUtil.getStringAttr(adapterElement, "version"));
                     type.addAdapter(adapter);
                  }
                  catch (MetadataException e)
                  {
                     if (!(e.getCause() instanceof ClassNotFoundException) &&
                        !(e.getCause() instanceof NoClassDefFoundError))
                     {
                        throw e;
                     }


                     // if data source type can't be loaded, don't add it to the metadata, but don't fail.
                     s_logger.debug("Cannot load DataSourceAdapter: " + adapter.getName() + " " + XMLUtil.getReqStringAttr(adapterElement, "class"));
                  }
               }
            });
         }
      });

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         // build a list of DataSourceAdapter supported by this state
         for (Iterator/*<DataSourceAdapter>*/ itr =
                 m_schema.getDataSource().getType().getAdapterIterator();
              itr.hasNext();)
         {
            DataSourceAdapter adapter = (DataSourceAdapter)itr.next();


            if (containsAdapter(adapter))
            {
               adapterList.add(adapter);
            }

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               eh = ((ColumnUpgradeInfo)colItr.next()).getStep().addException(eh, e);
            }
         }
      }


      DataSourceAdapter currentAdapter = m_schema.getDataSource().getAdapter();


      // set all adapters lacking explicit support as unsupported unless its the current adapter
      // i.e. fallback to original validation behaviour
      for (Iterator/*<DataSourceAdapter>*/ itr =
              m_schema.getDataSource().getType().getAdapterIterator();

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      RelationalDatabase jmsDB = new RelationalDatabase(sJMSDBName);
      RelationalDatabaseFragment jmsDBFragment = (RelationalDatabaseFragment)jmsDB.getDefaultFragment();


      jmsDB.setAlias(sJMSDBName);
      jmsDB.setUnicode(false);
      jmsDB.setAdapter(new DataSourceAdapter(jdbcInfo.getDBTypeName()));
      jmsDBFragment.setAlias(sJMSDBName + jmsDBFragment.getSuffix());
      jmsDBFragment.setUser(sJMSDBUser);
      jmsDBFragment.setPassword(sJMSDBPassword);


      int nMinPoolSize;

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Related Classes of nexj.core.meta.persistence.DataSourceAdapter

nexj.core.admin.platform.jboss.JBossInstaller

nexj.core.meta.persistence.sql.SQLScript

nexj.core.meta.persistence.sql.upgrade.RelationalSchemaUpgradeState

nexj.core.meta.persistence.sql.XMLRelationalMetadataLoader

nexj.core.meta.xml.XMLMetadataLoader

nexj.core.persistence.sql.SQLSchemaManager

nexj.core.persistence.sql.SQLSchemaManagerTest

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