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.opendaylight.mdsal.dom.api.DOMActionAvailabilityExtension.AvailabilityListener;
  18 import org.opendaylight.mdsal.dom.api.DOMActionImplementation;
  19 import org.opendaylight.mdsal.dom.api.DOMActionInstance;
  20 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  21 import org.opendaylight.yangtools.yang.model.api.ActionDefinition;
  22 import org.opendaylight.yangtools.yang.model.api.ActionNodeContainer;
  23 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  25 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  26 import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
  27
  28
  29 /**
  30  * Definition of Action routing table.
  31  */
  32 @Beta
  33 final class DOMActionRoutingTable extends AbstractDOMRoutingTable<DOMActionInstance, DOMDataTreeIdentifier,
  34         DOMActionImplementation, AvailabilityListener, DOMActionRoutingTableEntry> {
  35     static final DOMActionRoutingTable EMPTY = new DOMActionRoutingTable(ImmutableMap.of(), null);
  36
  37     private DOMActionRoutingTable(final Map<SchemaPath, DOMActionRoutingTableEntry> actions,
  38             final SchemaContext schemaContext) {
  39         super(actions, schemaContext);
  40     }
  41
  42     @Override
  43     protected DOMActionRoutingTable newInstance(final Map<SchemaPath, DOMActionRoutingTableEntry> operations,
  44             final SchemaContext schemaContext) {
  45         return new DOMActionRoutingTable(operations, schemaContext);
  46     }
  47
  48     @Override
  49     protected ListMultimap<SchemaPath, DOMDataTreeIdentifier> decomposeIdentifiers(
  50             final Set<DOMActionInstance> instances) {
  51         final ListMultimap<SchemaPath, DOMDataTreeIdentifier> ret = LinkedListMultimap.create();
  52         for (DOMActionInstance instance : instances) {
  53             instance.getDataTrees().forEach(id -> ret.put(instance.getType(), id));
  54         }
  55         return ret;
  56     }
  57
  58     @Override
  59     protected DOMActionRoutingTableEntry createOperationEntry(final SchemaContext context, final SchemaPath type,
  60             final Map<DOMDataTreeIdentifier, List<DOMActionImplementation>> implementations) {
  61         final ActionDefinition actionDef = findActionDefinition(context, type);
  62         if (actionDef == null) {
  63             //FIXME: return null directly instead of providing kind of unknown entry.
  64             return null;
  65         }
  66
  67         return new DOMActionRoutingTableEntry(type, implementations);
  68     }
  69
  70     private static ActionDefinition findActionDefinition(final SchemaContext context, final SchemaPath path) {
  71         final SchemaNode node = SchemaContextUtil.findDataSchemaNode(context, path.getParent());
  72         if (node instanceof ActionNodeContainer) {
  73             return ((ActionNodeContainer) node).findAction(path.getLastComponent()).orElse(null);
  74         }
  75         return null;
  76     }
  77 }