opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/RoutedGetConstantService.java

   1 /*
   2  * Copyright (c) 2017 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.controller.clustering.it.provider.impl;
   9
  10 import com.google.common.util.concurrent.Futures;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  13 import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
  14 import org.opendaylight.mdsal.dom.api.DOMRpcImplementation;
  15 import org.opendaylight.mdsal.dom.api.DOMRpcProviderService;
  16 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  17 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
  18 import org.opendaylight.yangtools.concepts.Registration;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.opendaylight.yangtools.yang.common.QName;
  21 import org.opendaylight.yangtools.yang.common.QNameModule;
  22 import org.opendaylight.yangtools.yang.common.Revision;
  23 import org.opendaylight.yangtools.yang.common.XMLNamespace;
  24 import org.opendaylight.yangtools.yang.common.YangConstants;
  25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  26 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  27 import org.opendaylight.yangtools.yang.data.spi.node.ImmutableNodes;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public final class RoutedGetConstantService implements DOMRpcImplementation {
  32     private static final Logger LOG = LoggerFactory.getLogger(RoutedGetConstantService.class);
  33
  34     private static final QNameModule MODULE = QNameModule.create(
  35         XMLNamespace.of("tag:opendaylight.org,2017:controller:yang:lowlevel:target"), Revision.of("2017-02-15"))
  36         .intern();
  37     private static final QName OUTPUT = YangConstants.operationOutputQName(MODULE).intern();
  38     private static final QName CONSTANT = QName.create(MODULE, "constant").intern();
  39     private static final QName GET_CONTEXTED_CONSTANT = QName.create(MODULE, "get-contexted-constant").intern();
  40
  41     private final String constant;
  42
  43     private RoutedGetConstantService(final String constant) {
  44         this.constant = constant;
  45     }
  46
  47     public static Registration registerNew(final BindingNormalizedNodeSerializer codec,
  48             final DOMRpcProviderService rpcProviderService, final String constant,
  49             final InstanceIdentifier<?> context) {
  50
  51         LOG.debug("Registering get-contexted-constant on context: {}, with value: {}", context, constant);
  52
  53         final var yid = codec.toYangInstanceIdentifier(context);
  54         final var id = DOMRpcIdentifier.create(GET_CONTEXTED_CONSTANT, yid);
  55
  56         return rpcProviderService.registerRpcImplementation(new RoutedGetConstantService(constant), id);
  57     }
  58
  59     @Override
  60     public ListenableFuture<DOMRpcResult> invokeRpc(final DOMRpcIdentifier rpc, final ContainerNode input) {
  61         LOG.debug("get-contexted-constant invoked, current value: {}", constant);
  62
  63         return Futures.immediateFuture(new DefaultDOMRpcResult(ImmutableNodes.newContainerBuilder()
  64             .withNodeIdentifier(new NodeIdentifier(OUTPUT))
  65             .withChild(ImmutableNodes.leafNode(CONSTANT, constant))
  66             .build()));
  67     }
  68 }