binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/ConstantAdapterContext.java

   1 /*
   2  * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.mdsal.binding.dom.adapter;
   9
  10 import com.google.common.annotations.Beta;
  11 import java.util.ServiceLoader;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.eclipse.jdt.annotation.NonNull;
  15 import org.kohsuke.MetaInfServices;
  16 import org.opendaylight.mdsal.binding.dom.codec.spi.BindingDOMCodecServices;
  17
  18 /**
  19  * A simple, constant implementation of the BlockingBindingNormalizer contract. This implementation is appropriate
  20  * in contexts where the backing context cannot change.
  21  */
  22 @Beta
  23 @MetaInfServices
  24 @Singleton
  25 public final class ConstantAdapterContext implements AdapterContext {
  26     private final @NonNull CurrentAdapterSerializer serializer;
  27
  28     public ConstantAdapterContext() {
  29         this(ServiceLoader.load(BindingDOMCodecServices.class).findFirst()
  30             .orElseThrow(() -> new IllegalStateException("Cannot load BindingDOMCodecServices")));
  31     }
  32
  33     @Inject
  34     public ConstantAdapterContext(final BindingDOMCodecServices codec) {
  35         this.serializer = new CurrentAdapterSerializer(codec);
  36     }
  37
  38     @Override
  39     public CurrentAdapterSerializer currentSerializer() {
  40         return serializer;
  41     }
  42 }