opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/jmx/ServiceReferenceRegistrator.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.config.manager.impl.jmx;
   9
  10 import javax.management.InstanceAlreadyExistsException;
  11 import javax.management.ObjectName;
  12 import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
  13
  14 public interface ServiceReferenceRegistrator extends AutoCloseable {
  15
  16     String getNullableTransactionName();
  17
  18     ServiceReferenceJMXRegistration registerMBean(ServiceReferenceMXBeanImpl object,
  19                                                           ObjectName on) throws InstanceAlreadyExistsException;
  20
  21     @Override
  22     void close();
  23
  24     class ServiceReferenceJMXRegistration implements AutoCloseable {
  25         private final InternalJMXRegistration registration;
  26
  27         ServiceReferenceJMXRegistration(final InternalJMXRegistration registration) {
  28             this.registration = registration;
  29         }
  30
  31         @Override
  32         public void close() {
  33             registration.close();
  34         }
  35     }
  36
  37     interface ServiceReferenceTransactionRegistratorFactory {
  38         ServiceReferenceRegistrator create();
  39     }
  40
  41     class ServiceReferenceRegistratorImpl implements ServiceReferenceRegistrator {
  42         private final InternalJMXRegistrator currentJMXRegistrator;
  43         private final String nullableTransactionName;
  44
  45         public ServiceReferenceRegistratorImpl(final NestableJMXRegistrator parentRegistrator, final String nullableTransactionName){
  46             currentJMXRegistrator = parentRegistrator.createChild();
  47             this.nullableTransactionName = nullableTransactionName;
  48         }
  49
  50         @Override
  51         public String getNullableTransactionName() {
  52             return nullableTransactionName;
  53         }
  54
  55
  56         @Override
  57         public ServiceReferenceJMXRegistration registerMBean(final ServiceReferenceMXBeanImpl object,
  58                                                              final ObjectName on) throws InstanceAlreadyExistsException {
  59             String actualTransactionName = ObjectNameUtil.getTransactionName(on);
  60             boolean broken = false;
  61             broken |= (nullableTransactionName == null) != (actualTransactionName == null);
  62             broken |= (nullableTransactionName != null) && !nullableTransactionName.equals(actualTransactionName);
  63             if (broken) {
  64                 throw new IllegalArgumentException("Transaction name mismatch between expected "
  65                         + nullableTransactionName + ", got " + actualTransactionName + " in " + on);
  66             }
  67             if (!ObjectNameUtil.isServiceReference(on)) {
  68                 throw new IllegalArgumentException("Invalid type of " + on);
  69             }
  70             return new ServiceReferenceJMXRegistration(currentJMXRegistrator.registerMBean(object, on));
  71         }
  72
  73
  74         @Override
  75         public void close() {
  76             currentJMXRegistrator.close();
  77         }
  78         public interface ServiceReferenceTransactionRegistratorFactory {
  79             ServiceReferenceRegistrator create();
  80         }
  81     }
  82
  83
  84     class ServiceReferenceTransactionRegistratorFactoryImpl implements ServiceReferenceTransactionRegistratorFactory {
  85         private final NestableJMXRegistrator parentRegistrator;
  86         private final String nullableTransactionName;
  87
  88         public ServiceReferenceTransactionRegistratorFactoryImpl(final TransactionModuleJMXRegistrator parentRegistrator,
  89                                                              final String nullableTransactionName) {
  90             this.parentRegistrator = parentRegistrator;
  91             this.nullableTransactionName = nullableTransactionName;
  92         }
  93
  94         public ServiceReferenceTransactionRegistratorFactoryImpl(final BaseJMXRegistrator baseJMXRegistrator) {
  95             this.parentRegistrator = baseJMXRegistrator;
  96             this.nullableTransactionName = null;
  97         }
  98
  99         @Override
 100         public ServiceReferenceRegistrator create() {
 101             return new ServiceReferenceRegistratorImpl(parentRegistrator, nullableTransactionName);
 102         }
 103     }
 104 }