// XmlLoadable implementation ----------------------------------------------
  public void importXml(Element element) throws DeploymentException {
    // This one is mandatory
    String p = MetaData.getElementContent(MetaData.getUniqueChild(element, "cache-policy"));
    try {
      Class cls = SecurityActions.getContextClassLoader().loadClass(p);
      Constructor ctor = cls.getConstructor(new Class[] {AbstractInstanceCache.class});
      m_cache = (CachePolicy) ctor.newInstance(new Object[] {this});
    } catch (Exception x) {
      throw new DeploymentException("Can't create cache policy", x);
    }

    Element policyConf = MetaData.getOptionalChild(element, "cache-policy-conf");
    if (policyConf != null) {
      if (m_cache instanceof XmlLoadable) {
        try {
          ((XmlLoadable) m_cache).importXml(policyConf);
        } catch (Exception x) {
          throw new DeploymentException("Can't import policy configuration", x);
        }
      }
    }
  }