dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/DOMActionRoutingTable.java

   1 /*
   2  * Copyright (c) 2018 ZTE Corp. 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.mdsal.dom.broker;
   9
  10 import com.google.common.annotations.Beta;
  11 import com.google.common.collect.ImmutableMap;
  12 import com.google.common.collect.LinkedListMultimap;
  13 import com.google.common.collect.ListMultimap;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Set;
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.opendaylight.mdsal.dom.api.DOMActionAvailabilityExtension.AvailabilityListener;
  19 import org.opendaylight.mdsal.dom.api.DOMActionImplementation;
  20 import org.opendaylight.mdsal.dom.api.DOMActionInstance;
  21 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  22 import org.opendaylight.yangtools.yang.model.api.ActionDefinition;
  23 import org.opendaylight.yangtools.yang.model.api.ActionNodeContainer;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  25 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  26 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  27 import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
  28
  29
  30 /**
  31  * Definition of Action routing table.
  32  */
  33 @Beta
  34 @NonNullByDefault
  35 final class DOMActionRoutingTable extends AbstractDOMRoutingTable<DOMActionInstance, DOMDataTreeIdentifier,
  36         DOMActionImplementation, AvailabilityListener, DOMActionRoutingTableEntry> {
  37     static final DOMActionRoutingTable EMPTY = new DOMActionRoutingTable(ImmutableMap.of(), null);
  38
  39     private DOMActionRoutingTable(final Map<SchemaPath, DOMActionRoutingTableEntry> actions,
  40             final SchemaContext schemaContext) {
  41         super(actions, schemaContext);
  42     }
  43
  44     @Override
  45     protected DOMActionRoutingTable newInstance(final Map<SchemaPath, DOMActionRoutingTableEntry> operations,
  46             final SchemaContext schemaContext) {
  47         return new DOMActionRoutingTable(operations, schemaContext);
  48     }
  49
  50     @Override
  51     protected ListMultimap<SchemaPath, DOMDataTreeIdentifier> decomposeIdentifiers(
  52             final Set<DOMActionInstance> instances) {
  53         final ListMultimap<SchemaPath, DOMDataTreeIdentifier> ret = LinkedListMultimap.create();
  54         for (DOMActionInstance instance : instances) {
  55             instance.getDataTrees().forEach(id -> ret.put(instance.getType(), id));
  56         }
  57         return ret;
  58     }
  59
  60     @Override
  61     protected DOMActionRoutingTableEntry createOperationEntry(final SchemaContext context, final SchemaPath type,
  62             final Map<DOMDataTreeIdentifier, List<DOMActionImplementation>> implementations) {
  63         final ActionDefinition actionDef = findActionDefinition(context, type);
  64         if (actionDef == null) {
  65             //FIXME: return null directly instead of providing kind of unknown entry.
  66             return null;
  67         }
  68
  69         return new DOMActionRoutingTableEntry(type, implementations);
  70     }
  71
  72     private static ActionDefinition findActionDefinition(final SchemaContext context, final SchemaPath path) {
  73         final SchemaNode node = SchemaContextUtil.findDataSchemaNode(context, path.getParent());
  74         if (node != null) {
  75             if (node instanceof ActionNodeContainer) {
  76                 for (ActionDefinition action : ((ActionNodeContainer) node).getActions()) {
  77                     if (action.getQName().equals(path.getLastComponent())) {
  78                         return action;
  79                     }
  80                 }
  81             }
  82         }
  83         return null;
  84     }
  85 }