opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/RoutedDOMRpcRoutingTableEntry.java

   1 /*
   2  * Copyright (c) 2015 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.md.sal.dom.broker.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import com.google.common.util.concurrent.Futures;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Optional;
  17 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
  18 import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
  19 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
  21 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
  22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  24 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
  25 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 @Deprecated(forRemoval = true)
  30 final class RoutedDOMRpcRoutingTableEntry extends AbstractDOMRpcRoutingTableEntry {
  31     private static final Logger LOG = LoggerFactory.getLogger(RoutedDOMRpcRoutingTableEntry.class);
  32     private final DOMRpcIdentifier globalRpcId;
  33     private final YangInstanceIdentifier keyId;
  34
  35     private RoutedDOMRpcRoutingTableEntry(final DOMRpcIdentifier globalRpcId, final YangInstanceIdentifier keyId,
  36                                           final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls) {
  37         super(globalRpcId.getType(), impls);
  38         this.keyId = requireNonNull(keyId);
  39         this.globalRpcId = requireNonNull(globalRpcId);
  40     }
  41
  42     RoutedDOMRpcRoutingTableEntry(final RpcDefinition def, final YangInstanceIdentifier keyId,
  43                                   final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls) {
  44         super(def.getPath(), impls);
  45         this.keyId = requireNonNull(keyId);
  46         this.globalRpcId = DOMRpcIdentifier.create(def.getPath());
  47     }
  48
  49     @Override
  50     protected CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final NormalizedNode<?, ?> input) {
  51         final Optional<NormalizedNode<?, ?>> maybeKey = NormalizedNodes.findNode(input, keyId);
  52
  53         // Routing key is present, attempt to deliver as a routed RPC
  54         if (maybeKey.isPresent()) {
  55             final NormalizedNode<?, ?> key = maybeKey.get();
  56             final Object value = key.getValue();
  57             if (value instanceof YangInstanceIdentifier) {
  58                 final YangInstanceIdentifier iid = (YangInstanceIdentifier) value;
  59
  60                 // Find a DOMRpcImplementation for a specific iid
  61                 final List<DOMRpcImplementation> specificImpls = getImplementations(iid);
  62                 if (specificImpls != null) {
  63                     return specificImpls.get(0).invokeRpc(DOMRpcIdentifier.create(getSchemaPath(), iid), input);
  64                 }
  65
  66                 LOG.debug("No implementation for context {} found will now look for wildcard id", iid);
  67
  68                 // Find a DOMRpcImplementation for a wild card. Usually remote-rpc-connector would register an
  69                 // implementation this way
  70                 final List<DOMRpcImplementation> mayBeRemoteImpls = getImplementations(YangInstanceIdentifier.empty());
  71
  72                 if (mayBeRemoteImpls != null) {
  73                     return mayBeRemoteImpls.get(0).invokeRpc(DOMRpcIdentifier.create(getSchemaPath(), iid), input);
  74                 }
  75
  76             } else {
  77                 LOG.warn("Ignoring wrong context value {}", value);
  78             }
  79         }
  80
  81         final List<DOMRpcImplementation> impls = getImplementations(null);
  82         if (impls != null) {
  83             return impls.get(0).invokeRpc(globalRpcId, input);
  84         } else {
  85             return Futures.<DOMRpcResult, DOMRpcException>immediateFailedCheckedFuture(
  86                     new DOMRpcImplementationNotAvailableException("No implementation of RPC %s available",
  87                                                                   getSchemaPath()));
  88         }
  89     }
  90
  91     @Override
  92     protected RoutedDOMRpcRoutingTableEntry newInstance(
  93             final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls) {
  94         return new RoutedDOMRpcRoutingTableEntry(globalRpcId, keyId, impls);
  95     }
  96 }