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 com.google.common.primitives.UnsignedLong;
  11 import org.opendaylight.binding.runtime.api.AbstractBindingRuntimeContext;
  12 import org.opendaylight.binding.runtime.api.BindingRuntimeContext;
  13 import org.opendaylight.binding.runtime.api.BindingRuntimeGenerator;
  14 import org.opendaylight.binding.runtime.api.BindingRuntimeTypes;
  15 import org.opendaylight.binding.runtime.api.ClassLoadingStrategy;
  16 import org.opendaylight.binding.runtime.api.DefaultBindingRuntimeContext;
  17 import org.opendaylight.mdsal.dom.schema.osgi.OSGiModuleInfoSnapshot;
  18 import org.osgi.service.component.annotations.Activate;
  19 import org.osgi.service.component.annotations.Component;
  20 import org.osgi.service.component.annotations.Deactivate;
  21 import org.osgi.service.component.annotations.Reference;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 /**
  26  * A Factory Component which implements {@link BindingRuntimeContext}.
  27  */
  28 @Component(service = BindingRuntimeContext.class, immediate = true)
  29 public final class BindingRuntimeContextImpl extends AbstractBindingRuntimeContext {
  30     private static final Logger LOG = LoggerFactory.getLogger(BindingRuntimeContextImpl.class);
  31
  32     @Reference
  33     OSGiModuleInfoSnapshot effectiveModel = null;
  34     @Reference
  35     BindingRuntimeGenerator generator = null;
  36
  37     private BindingRuntimeContext delegate;
  38     private UnsignedLong generation;
  39
  40     @Override
  41     public ClassLoadingStrategy getStrategy() {
  42         return delegate.getStrategy();
  43     }
  44
  45     @Override
  46     public BindingRuntimeTypes getTypes() {
  47         return delegate.getTypes();
  48     }
  49
  50     @Activate
  51     void activate() {
  52         generation = effectiveModel.getGeneration();
  53         delegate = DefaultBindingRuntimeContext.create(
  54             generator.generateTypeMapping(effectiveModel.getEffectiveModelContext()), effectiveModel);
  55
  56         LOG.debug("BindingRuntimeContext generation {} activated", generation);
  57     }
  58
  59     @Deactivate
  60     void deactivate() {
  61         delegate = null;
  62         LOG.debug("BindingRuntimeContext generation {} deactivated", generation);
  63     }
  64 }