common/concepts/src/main/java/org/opendaylight/yangtools/concepts/CompositeObjectRegistration.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.yangtools.concepts;
   9
  10 import java.util.Collection;
  11 import java.util.Collections;
  12 import java.util.HashSet;
  13 import java.util.Set;
  14
  15 /**
  16  * @deprecated This class does not have good semantics with regard to constituent registrations' lifecycle and should
  17  *             not be used.
  18  */
  19 @Deprecated
  20 public final class CompositeObjectRegistration<T> extends AbstractObjectRegistration<T> {
  21
  22     private final Set<Registration> registrations;
  23
  24     public CompositeObjectRegistration(final T instance, final Collection<? extends Registration> registrations) {
  25         super(instance);
  26         if (registrations == null) {
  27             throw new IllegalArgumentException();
  28         }
  29         this.registrations = Collections.unmodifiableSet(new HashSet<>(registrations));
  30     }
  31
  32     @Override
  33     protected void removeRegistration() {
  34         for (Registration registration : registrations) {
  35             try {
  36                 registration.close();
  37             } catch (Exception e) {
  38                 e.printStackTrace();
  39             }
  40         }
  41     }
  42
  43     public static <T> CompositeObjectRegistrationBuilder<T> builderFor(final T instance) {
  44         return new CompositeObjectRegistrationBuilder<>(instance);
  45     }
  46
  47     public static final class CompositeObjectRegistrationBuilder<T> implements Builder<CompositeObjectRegistration<T>> {
  48
  49         private final T instance;
  50         private final Set<Registration> registrations;
  51
  52         public CompositeObjectRegistrationBuilder(final T instance) {
  53             this.instance = instance;
  54             registrations = new HashSet<>();
  55         }
  56
  57         public CompositeObjectRegistrationBuilder<T> add(final ObjectRegistration<? super T> registration) {
  58             if (!registration.getInstance().equals(instance)) {
  59                 throw new IllegalArgumentException("Instance must be same.");
  60             }
  61             registrations.add(registration);
  62             return this;
  63         }
  64
  65         public CompositeObjectRegistrationBuilder<T> remove(final ObjectRegistration<? super T> registration) {
  66             if (!registration.getInstance().equals(instance)) {
  67                 throw new IllegalArgumentException("Instance must be same.");
  68             }
  69             registrations.remove(registration);
  70             return this;
  71         }
  72
  73         @Override
  74         public CompositeObjectRegistration<T> build() {
  75             return new CompositeObjectRegistration<>(instance, registrations);
  76         }
  77     }
  78 }