RELEASE_2_1_13/src/blocks/ojb/samples/odmg/xsp/demo1.xsp

<?xml version="1.0"?>
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<!--
 * Simple demo that insert a row into hsqldb using OJB with ODMG
 *
 * @author <a href="mailto:antonio@apache.org>Antonio Gallardo</a>
 * @version CVS $Revision: 1.3 $ $Date: 2004/03/17 11:28:20 $
-->

<xsp:page language="java" xmlns:xsp="http://apache.org/xsp">

  <xsp:structure>
    <xsp:include>org.apache.cocoon.ojb.odmg.components.ODMG</xsp:include>
    <xsp:include>org.apache.cocoon.ojb.samples.bean.Department</xsp:include>
    <xsp:include>org.odmg.Implementation</xsp:include>
    <xsp:include>org.odmg.Transaction</xsp:include>
    <xsp:include>org.odmg.ODMGException</xsp:include>
  </xsp:structure>

  <page>
    <content>
      <title>Hello</title>
      <para>This is my first Cocoon page with OJB!</para>
      <xsp:logic>
        ODMG odmg = null;
        try {
          /* Get the implementation */
          Implementation impl = null;
          try {
            odmg = (ODMG) manager.lookup(ODMG.ROLE);
            impl = odmg.getInstance("personnel");
          } catch (ComponentException cme) {
            getLogger().error("Could not look up the ODMG Implementation", cme);
          } catch (ODMGException oe) {
            getLogger().error("Failed to instantiate ODMG Implementation", oe);
          }

          <!-- Setting up the Bean -->
          Department bean = new Department();
          bean.setId(6);
          bean.setName("ODMG Development");
          <!-- 2. Get current transaction -->
          Transaction tx = impl.newTransaction();
          <!-- 3. Start a Transaction -->
          tx.begin();
          <!-- 4. now perform persistence operations. Store the new Department -->
          tx.lock(bean, Transaction.WRITE);;
          <!-- 5. Commit the transaction  -->
          tx.commit();

          <p>
            Inserted data: <xsp:expr>bean.getId() + " : " + bean.getName()</xsp:expr>
          </p>

        } finally {
          manager.release(odmg);
        }
      </xsp:logic>
    </content>
  </page>
</xsp:page>