/** * Set the value of a specific attribute of this MBean. * * @param attribute The identification of the attribute to be set and the new value * @exception AttributeNotFoundException if this attribute is not supported by this MBean * @exception MBeanException if the initializer of an object throws an exception * @exception ReflectionException if a Java reflection exception occurs when invoking the getter */ @Override public void setAttribute(Attribute attribute) throws AttributeNotFoundException, MBeanException, ReflectionException, RemoteException, RemoteException { // Validate the input parameters if (attribute == null) throw new RuntimeOperationsException( new IllegalArgumentException("Attribute is null"), "Attribute is null"); String name = attribute.getName(); Object value = attribute.getValue(); if (name == null) throw new RuntimeOperationsException( new IllegalArgumentException("Attribute name is null"), "Attribute name is null"); ContextResourceLinkRemoteInterface crl = null; try { crl = (ContextResourceLinkRemoteInterface) getManagedResource(); } catch (InstanceNotFoundException e) { throw new MBeanException(e); } catch (InvalidTargetObjectTypeException e) { throw new MBeanException(e); } if ("global".equals(name)) { crl.setGlobal((String) value); } else if ("description".equals(name)) { crl.setDescription((String) value); } else if ("name".equals(name)) { crl.setName((String) value); } else if ("type".equals(name)) { crl.setType((String) value); } else { crl.setProperty(name, "" + value); } // cannot use side-effects. It's removed and added back each time // there is a modification in a resource. NamingResourcesRemoteInterface nr = crl.getNamingResources(); nr.removeResourceLink(crl.getName()); nr.addResourceLink(crl); }
/** * Obtain and return the value of a specific attribute of this MBean. * * @param name Name of the requested attribute * @exception AttributeNotFoundException if this attribute is not supported by this MBean * @exception MBeanException if the initializer of an object throws an exception * @exception ReflectionException if a Java reflection exception occurs when invoking the getter */ @Override public Object getAttribute(String name) throws AttributeNotFoundException, MBeanException, ReflectionException, RemoteException, RemoteException { // Validate the input parameters if (name == null) throw new RuntimeOperationsException( new IllegalArgumentException("Attribute name is null"), "Attribute name is null"); ContextResourceLinkRemoteInterface cl = null; try { cl = (ContextResourceLinkRemoteInterface) getManagedResource(); } catch (InstanceNotFoundException e) { throw new MBeanException(e); } catch (InvalidTargetObjectTypeException e) { throw new MBeanException(e); } String value = null; if ("global".equals(name)) { return (cl.getGlobal()); } else if ("description".equals(name)) { return (cl.getDescription()); } else if ("name".equals(name)) { return (cl.getName()); } else if ("type".equals(name)) { return (cl.getType()); } else { value = (String) cl.getProperty(name); if (value == null) { throw new AttributeNotFoundException("Cannot find attribute " + name); } } return value; }