opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/GetConstantService.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 java.net.URI;
  13 import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
  14 import org.opendaylight.mdsal.dom.api.DOMRpcImplementation;
  15 import org.opendaylight.mdsal.dom.api.DOMRpcImplementationRegistration;
  16 import org.opendaylight.mdsal.dom.api.DOMRpcProviderService;
  17 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  18 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
  19 import org.opendaylight.yangtools.yang.common.QName;
  20 import org.opendaylight.yangtools.yang.common.QNameModule;
  21 import org.opendaylight.yangtools.yang.common.Revision;
  22 import org.opendaylight.yangtools.yang.common.YangConstants;
  23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  24 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  25 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
  26 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafNodeBuilder;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public final class GetConstantService implements DOMRpcImplementation {
  31     private static final Logger LOG = LoggerFactory.getLogger(GetConstantService.class);
  32
  33     private static final QNameModule MODULE = QNameModule.create(
  34         URI.create("tag:opendaylight.org,2017:controller:yang:lowlevel:target"), Revision.of("2017-02-15")).intern();
  35
  36     private static final QName OUTPUT = YangConstants.operationOutputQName(MODULE).intern();
  37     private static final QName CONSTANT = QName.create(MODULE, "constant").intern();
  38     private static final QName GET_CONSTANT = QName.create(MODULE, "get-constant").intern();
  39
  40     private final String constant;
  41
  42     private GetConstantService(final String constant) {
  43         this.constant = constant;
  44     }
  45
  46     public static DOMRpcImplementationRegistration<GetConstantService> registerNew(
  47             final DOMRpcProviderService rpcProviderService, final String constant) {
  48         LOG.debug("Registering get-constant service, constant value: {}", constant);
  49         return rpcProviderService.registerRpcImplementation(new GetConstantService(constant),
  50             DOMRpcIdentifier.create(GET_CONSTANT));
  51     }
  52
  53     @Override
  54     public ListenableFuture<DOMRpcResult> invokeRpc(final DOMRpcIdentifier rpc, final NormalizedNode<?, ?> input) {
  55         LOG.debug("get-constant invoked, current value: {}", constant);
  56
  57         return Futures.immediateFuture(new DefaultDOMRpcResult(ImmutableContainerNodeBuilder.create()
  58             .withNodeIdentifier(new NodeIdentifier(OUTPUT))
  59             .withChild(ImmutableLeafNodeBuilder.create()
  60                 .withNodeIdentifier(new NodeIdentifier(CONSTANT))
  61                 .withValue(constant)
  62                 .build())
  63             .build()));
  64     }
  65 }