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