binding/mdsal-binding-runtime-osgi/src/main/java/org/opendaylight/mdsal/binding/runtime/osgi/impl/BindingRuntimeContextImpl.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.runtime.osgi.impl;
   9
  10 import org.opendaylight.binding.runtime.api.AbstractBindingRuntimeContext;
  11 import org.opendaylight.binding.runtime.api.BindingRuntimeContext;
  12 import org.opendaylight.binding.runtime.api.BindingRuntimeGenerator;
  13 import org.opendaylight.binding.runtime.api.BindingRuntimeTypes;
  14 import org.opendaylight.binding.runtime.api.ClassLoadingStrategy;
  15 import org.opendaylight.binding.runtime.api.DefaultBindingRuntimeContext;
  16 import org.opendaylight.mdsal.dom.schema.osgi.OSGiModuleInfoSnapshot;
  17 import org.osgi.service.component.annotations.Activate;
  18 import org.osgi.service.component.annotations.Component;
  19 import org.osgi.service.component.annotations.Deactivate;
  20 import org.osgi.service.component.annotations.Reference;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 /**
  25  * A Factory Component which implements {@link BindingRuntimeContext}.
  26  */
  27 @Component(service = BindingRuntimeContext.class, immediate = true)
  28 public final class BindingRuntimeContextImpl extends AbstractBindingRuntimeContext {
  29     private static final Logger LOG = LoggerFactory.getLogger(BindingRuntimeContextImpl.class);
  30
  31     @Reference
  32     OSGiModuleInfoSnapshot effectiveModel = null;
  33     @Reference
  34     BindingRuntimeGenerator generator = null;
  35
  36     private BindingRuntimeContext delegate = null;
  37     private long generation;
  38
  39     @Override
  40     public ClassLoadingStrategy getStrategy() {
  41         return delegate.getStrategy();
  42     }
  43
  44     @Override
  45     public BindingRuntimeTypes getTypes() {
  46         return delegate.getTypes();
  47     }
  48
  49     @Activate
  50     void activate() {
  51         generation = effectiveModel.getGeneration();
  52         delegate = DefaultBindingRuntimeContext.create(
  53             generator.generateTypeMapping(effectiveModel.getEffectiveModelContext()), effectiveModel);
  54
  55         LOG.debug("BindingRuntimeContext generation {} activated", generation);
  56     }
  57
  58     @Deactivate
  59     void deactivate() {
  60         delegate = null;
  61         LOG.debug("BindingRuntimeContext generation {} deactivated", generation);
  62     }
  63 }