2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.mdsal.dom.broker;
10 import com.google.common.annotations.VisibleForTesting;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.ImmutableList;
13 import com.google.common.collect.ImmutableMap;
14 import com.google.common.collect.ImmutableMap.Builder;
15 import com.google.common.collect.LinkedListMultimap;
16 import com.google.common.collect.ListMultimap;
17 import com.google.common.collect.Maps;
18 import java.util.ArrayList;
19 import java.util.Collection;
20 import java.util.HashMap;
21 import java.util.List;
23 import java.util.Map.Entry;
25 import org.eclipse.jdt.annotation.NonNull;
26 import org.eclipse.jdt.annotation.Nullable;
27 import org.opendaylight.mdsal.dom.api.DOMRpcAvailabilityListener;
28 import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
29 import org.opendaylight.mdsal.dom.api.DOMRpcImplementation;
30 import org.opendaylight.mdsal.dom.spi.RpcRoutingStrategy;
31 import org.opendaylight.yangtools.yang.common.QName;
32 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
33 import org.opendaylight.yangtools.yang.model.api.Module;
34 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
35 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
36 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
38 final class DOMRpcRoutingTable {
39 static final DOMRpcRoutingTable EMPTY = new DOMRpcRoutingTable(ImmutableMap.of(), null);
41 private final Map<SchemaPath, AbstractDOMRpcRoutingTableEntry> rpcs;
42 private final SchemaContext schemaContext;
44 private DOMRpcRoutingTable(final Map<SchemaPath, AbstractDOMRpcRoutingTableEntry> rpcs,
45 final SchemaContext schemaContext) {
46 this.rpcs = Preconditions.checkNotNull(rpcs);
47 this.schemaContext = schemaContext;
50 DOMRpcRoutingTable setSchemaContext(final SchemaContext context) {
51 final Builder<SchemaPath, AbstractDOMRpcRoutingTableEntry> b = ImmutableMap.builder();
53 for (Entry<SchemaPath, AbstractDOMRpcRoutingTableEntry> e : rpcs.entrySet()) {
54 b.put(e.getKey(), createRpcEntry(context, e.getKey(), e.getValue().getImplementations()));
57 return new DOMRpcRoutingTable(b.build(), context);
60 DOMRpcRoutingTable add(final DOMRpcImplementation implementation, final Set<DOMRpcIdentifier> rpcsToAdd) {
61 if (rpcsToAdd.isEmpty()) {
65 // First decompose the identifiers to a multimap
66 final ListMultimap<SchemaPath, YangInstanceIdentifier> toAdd = decomposeIdentifiers(rpcsToAdd);
68 // Now iterate over existing entries, modifying them as appropriate...
69 final Builder<SchemaPath, AbstractDOMRpcRoutingTableEntry> mb = ImmutableMap.builder();
70 for (Entry<SchemaPath, AbstractDOMRpcRoutingTableEntry> re : this.rpcs.entrySet()) {
71 List<YangInstanceIdentifier> newRpcs = new ArrayList<>(toAdd.removeAll(re.getKey()));
72 if (!newRpcs.isEmpty()) {
73 final AbstractDOMRpcRoutingTableEntry ne = re.getValue().add(implementation, newRpcs);
74 mb.put(re.getKey(), ne);
80 // Finally add whatever is left in the decomposed multimap
81 for (Entry<SchemaPath, Collection<YangInstanceIdentifier>> e : toAdd.asMap().entrySet()) {
82 final Builder<YangInstanceIdentifier, List<DOMRpcImplementation>> vb = ImmutableMap.builder();
83 final List<DOMRpcImplementation> v = ImmutableList.of(implementation);
84 for (YangInstanceIdentifier i : e.getValue()) {
88 mb.put(e.getKey(), createRpcEntry(schemaContext, e.getKey(), vb.build()));
91 return new DOMRpcRoutingTable(mb.build(), schemaContext);
94 DOMRpcRoutingTable remove(final DOMRpcImplementation implementation, final Set<DOMRpcIdentifier> rpcIds) {
95 if (rpcIds.isEmpty()) {
99 // First decompose the identifiers to a multimap
100 final ListMultimap<SchemaPath, YangInstanceIdentifier> toRemove = decomposeIdentifiers(rpcIds);
102 // Now iterate over existing entries, modifying them as appropriate...
103 final Builder<SchemaPath, AbstractDOMRpcRoutingTableEntry> b = ImmutableMap.builder();
104 for (Entry<SchemaPath, AbstractDOMRpcRoutingTableEntry> e : this.rpcs.entrySet()) {
105 final List<YangInstanceIdentifier> removed = new ArrayList<>(toRemove.removeAll(e.getKey()));
106 if (!removed.isEmpty()) {
107 final AbstractDOMRpcRoutingTableEntry ne = e.getValue().remove(implementation, removed);
109 b.put(e.getKey(), ne);
116 // All done, whatever is in toRemove, was not there in the first place
117 return new DOMRpcRoutingTable(b.build(), schemaContext);
120 boolean contains(final DOMRpcIdentifier input) {
121 final AbstractDOMRpcRoutingTableEntry contexts = rpcs.get(input.getType());
122 return contexts != null && contexts.containsContext(input.getContextReference());
126 Map<SchemaPath, Set<YangInstanceIdentifier>> getRpcs() {
127 return Maps.transformValues(rpcs, AbstractDOMRpcRoutingTableEntry::registeredIdentifiers);
130 Map<SchemaPath, Set<YangInstanceIdentifier>> getRpcs(final DOMRpcAvailabilityListener listener) {
131 final Map<SchemaPath, Set<YangInstanceIdentifier>> ret = new HashMap<>(rpcs.size());
132 for (Entry<SchemaPath, AbstractDOMRpcRoutingTableEntry> e : rpcs.entrySet()) {
133 final Set<YangInstanceIdentifier> ids = e.getValue().registeredIdentifiers(listener);
134 if (!ids.isEmpty()) {
135 ret.put(e.getKey(), ids);
142 @Nullable AbstractDOMRpcRoutingTableEntry getEntry(final @NonNull SchemaPath type) {
143 return rpcs.get(type);
146 private static ListMultimap<SchemaPath, YangInstanceIdentifier> decomposeIdentifiers(
147 final Set<DOMRpcIdentifier> rpcs) {
148 final ListMultimap<SchemaPath, YangInstanceIdentifier> ret = LinkedListMultimap.create();
149 for (DOMRpcIdentifier i : rpcs) {
150 ret.put(i.getType(), i.getContextReference());
155 private static RpcDefinition findRpcDefinition(final SchemaContext context, final SchemaPath schemaPath) {
156 if (context != null) {
157 final QName qname = schemaPath.getPathFromRoot().iterator().next();
158 final Module module = context.findModule(qname.getModule()).orElse(null);
159 if (module != null && module.getRpcs() != null) {
160 for (RpcDefinition rpc : module.getRpcs()) {
161 if (qname.equals(rpc.getQName())) {
171 private static AbstractDOMRpcRoutingTableEntry createRpcEntry(final SchemaContext context, final SchemaPath key,
172 final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> implementations) {
173 final RpcDefinition rpcDef = findRpcDefinition(context, key);
174 if (rpcDef == null) {
175 return new UnknownDOMRpcRoutingTableEntry(key, implementations);
178 final RpcRoutingStrategy strategy = RpcRoutingStrategy.from(rpcDef);
179 if (strategy.isContextBasedRouted()) {
180 return new RoutedDOMRpcRoutingTableEntry(rpcDef, YangInstanceIdentifier.of(strategy.getLeaf()),
184 return new GlobalDOMRpcRoutingTableEntry(rpcDef, implementations);