config-loader/routing-policy-config-loader/src/main/java/org/opendaylight/bgpcep/config/loader/routing/policy/OpenconfigRoutingPolicyLoader.java

   1 /*
   2  * Copyright (c) 2018 AT&T Intellectual Property. 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.bgpcep.config.loader.routing.policy;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import java.util.concurrent.ExecutionException;
  13 import org.checkerframework.checker.lock.qual.GuardedBy;
  14 import org.opendaylight.bgpcep.config.loader.spi.ConfigFileProcessor;
  15 import org.opendaylight.bgpcep.config.loader.spi.ConfigLoader;
  16 import org.opendaylight.mdsal.binding.api.DataBroker;
  17 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  18 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  19 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  20 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.routing.policy.rev151009.routing.policy.top.RoutingPolicy;
  21 import org.opendaylight.yangtools.concepts.AbstractRegistration;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  24 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  25 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 public final class OpenconfigRoutingPolicyLoader implements ConfigFileProcessor, AutoCloseable {
  30     public static final InstanceIdentifier<RoutingPolicy> ROUTING_POLICY_IID
  31             = InstanceIdentifier.create(RoutingPolicy.class);
  32     private static final Logger LOG = LoggerFactory.getLogger(OpenconfigRoutingPolicyLoader.class);
  33     private static final SchemaPath POLICY_SCHEMA_PATH = SchemaPath.create(true, RoutingPolicy.QNAME);
  34     private final BindingNormalizedNodeSerializer bindingSerializer;
  35     private final ConfigLoader configLoader;
  36     private final DataBroker dataBroker;
  37     private final YangInstanceIdentifier routingPolicyYiid;
  38     @GuardedBy("this")
  39     private AbstractRegistration registration;
  40
  41     public OpenconfigRoutingPolicyLoader(final ConfigLoader configLoader, final DataBroker dataBroker) {
  42         requireNonNull(configLoader);
  43         this.configLoader = requireNonNull(configLoader);
  44         this.dataBroker = requireNonNull(dataBroker);
  45         this.bindingSerializer = configLoader.getBindingNormalizedNodeSerializer();
  46         this.routingPolicyYiid = this.bindingSerializer.toYangInstanceIdentifier(ROUTING_POLICY_IID);
  47     }
  48
  49     public synchronized void init() {
  50         this.registration = this.configLoader.registerConfigFile(this);
  51         LOG.info("Routing Policy Config Loader service initiated");
  52     }
  53
  54     @Override
  55     public synchronized void close() {
  56         if (this.registration != null) {
  57             this.registration.close();
  58             this.registration = null;
  59         }
  60     }
  61
  62     @Override
  63     public SchemaPath getSchemaPath() {
  64         return POLICY_SCHEMA_PATH;
  65     }
  66
  67     @Override
  68     public void loadConfiguration(final NormalizedNode<?, ?> dto) {
  69         final RoutingPolicy routingPolicy = (RoutingPolicy) this.bindingSerializer
  70                 .fromNormalizedNode(this.routingPolicyYiid, dto).getValue();
  71         final WriteTransaction wtx = this.dataBroker.newWriteOnlyTransaction();
  72         wtx.merge(LogicalDatastoreType.CONFIGURATION, ROUTING_POLICY_IID, routingPolicy);
  73
  74         try {
  75             wtx.commit().get();
  76         } catch (final ExecutionException | InterruptedException e) {
  77             LOG.warn("Failed to create Routing Policy config", e);
  78         }
  79     }
  80 }