+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.md.sal.dom.broker.impl;
-
-import com.google.common.base.Function;
-import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableMap.Builder;
-import com.google.common.collect.LinkedListMultimap;
-import com.google.common.collect.ListMultimap;
-import com.google.common.collect.Maps;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
-
-final class DOMRpcRoutingTable {
- private static final QName CONTEXT_REFERENCE = QName.cachedReference(QName.create("urn:opendaylight:yang:extension:yang-ext", "2013-07-09", "context-reference"));
-
- static final DOMRpcRoutingTable EMPTY = new DOMRpcRoutingTable();
- private static final Function<AbstractDOMRpcRoutingTableEntry, Set<YangInstanceIdentifier>> EXTRACT_IDENTIFIERS =
- new Function<AbstractDOMRpcRoutingTableEntry, Set<YangInstanceIdentifier>>() {
- @Override
- public Set<YangInstanceIdentifier> apply(final AbstractDOMRpcRoutingTableEntry input) {
- return input.registeredIdentifiers();
- }
- };
- private final Map<SchemaPath, AbstractDOMRpcRoutingTableEntry> rpcs;
- private final SchemaContext schemaContext;
-
- private DOMRpcRoutingTable() {
- rpcs = Collections.emptyMap();
- schemaContext = null;
- }
-
- private DOMRpcRoutingTable(final Map<SchemaPath, AbstractDOMRpcRoutingTableEntry> rpcs, final SchemaContext schemaContext) {
- this.rpcs = Preconditions.checkNotNull(rpcs);
- this.schemaContext = schemaContext;
- }
-
- private static ListMultimap<SchemaPath, YangInstanceIdentifier> decomposeIdentifiers(final Set<DOMRpcIdentifier> rpcs) {
- final ListMultimap<SchemaPath, YangInstanceIdentifier> ret = LinkedListMultimap.create();
- for (DOMRpcIdentifier i : rpcs) {
- ret.put(i.getType(), i.getContextReference());
- }
- return ret;
- }
-
- DOMRpcRoutingTable add(final DOMRpcImplementation implementation, final Set<DOMRpcIdentifier> rpcs) {
- if (rpcs.isEmpty()) {
- return this;
- }
-
- // First decompose the identifiers to a multimap
- final ListMultimap<SchemaPath, YangInstanceIdentifier> toAdd = decomposeIdentifiers(rpcs);
-
- // Now iterate over existing entries, modifying them as appropriate...
- final Builder<SchemaPath, AbstractDOMRpcRoutingTableEntry> mb = ImmutableMap.builder();
- for (Entry<SchemaPath, AbstractDOMRpcRoutingTableEntry> re : this.rpcs.entrySet()) {
- List<YangInstanceIdentifier> newRpcs = new ArrayList<>(toAdd.removeAll(re.getKey()));
- if (!newRpcs.isEmpty()) {
- final AbstractDOMRpcRoutingTableEntry ne = re.getValue().add(implementation, newRpcs);
- mb.put(re.getKey(), ne);
- } else {
- mb.put(re);
- }
- }
-
- // Finally add whatever is left in the decomposed multimap
- for (Entry<SchemaPath, Collection<YangInstanceIdentifier>> e : toAdd.asMap().entrySet()) {
- final Builder<YangInstanceIdentifier, List<DOMRpcImplementation>> vb = ImmutableMap.builder();
- final List<DOMRpcImplementation> v = Collections.singletonList(implementation);
- for (YangInstanceIdentifier i : e.getValue()) {
- vb.put(i, v);
- }
-
- mb.put(e.getKey(), createRpcEntry(schemaContext, e.getKey(), vb.build()));
- }
-
- return new DOMRpcRoutingTable(mb.build(), schemaContext);
- }
-
- DOMRpcRoutingTable remove(final DOMRpcImplementation implementation, final Set<DOMRpcIdentifier> rpcs) {
- if (rpcs.isEmpty()) {
- return this;
- }
-
- // First decompose the identifiers to a multimap
- final ListMultimap<SchemaPath, YangInstanceIdentifier> toRemove = decomposeIdentifiers(rpcs);
-
- // Now iterate over existing entries, modifying them as appropriate...
- final Builder<SchemaPath, AbstractDOMRpcRoutingTableEntry> b = ImmutableMap.builder();
- for (Entry<SchemaPath, AbstractDOMRpcRoutingTableEntry> e : this.rpcs.entrySet()) {
- final List<YangInstanceIdentifier> removed = new ArrayList<>(toRemove.removeAll(e.getKey()));
- if (!removed.isEmpty()) {
- final AbstractDOMRpcRoutingTableEntry ne = e.getValue().remove(implementation, removed);
- if (ne != null) {
- b.put(e.getKey(), ne);
- }
- } else {
- b.put(e);
- }
- }
-
- // All done, whatever is in toRemove, was not there in the first place
- return new DOMRpcRoutingTable(b.build(), schemaContext);
- }
-
- boolean contains(final DOMRpcIdentifier input) {
- final AbstractDOMRpcRoutingTableEntry contexts = rpcs.get(input.getType());
- return contexts != null && contexts.containsContext(input.getContextReference());
- }
-
- Map<SchemaPath, Set<YangInstanceIdentifier>> getRpcs() {
- return Maps.transformValues(rpcs, EXTRACT_IDENTIFIERS);
- }
-
- private static RpcDefinition findRpcDefinition(final SchemaContext context, final SchemaPath schemaPath) {
- if (context != null) {
- final QName qname = schemaPath.getPathFromRoot().iterator().next();
- final Module module = context.findModuleByNamespaceAndRevision(qname.getNamespace(), qname.getRevision());
- if (module != null && module.getRpcs() != null) {
- for (RpcDefinition rpc : module.getRpcs()) {
- if (qname.equals(rpc.getQName())) {
- return rpc;
- }
- }
- }
- }
-
- return null;
- }
-
- private static AbstractDOMRpcRoutingTableEntry createRpcEntry(final SchemaContext context, final SchemaPath key, final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> implementations) {
- final RpcDefinition rpcDef = findRpcDefinition(context, key);
- if (rpcDef != null) {
- final ContainerSchemaNode input = rpcDef.getInput();
- if (input != null) {
- for (DataSchemaNode c : input.getChildNodes()) {
- for (UnknownSchemaNode extension : c.getUnknownSchemaNodes()) {
- if (CONTEXT_REFERENCE.equals(extension.getNodeType())) {
- final YangInstanceIdentifier keyId = YangInstanceIdentifier.builder().node(c.getQName()).build();
- return new RoutedDOMRpcRoutingTableEntry(rpcDef, keyId, implementations);
- }
- }
- }
- }
-
- return new GlobalDOMRpcRoutingTableEntry(rpcDef, implementations);
- } else {
- return new UnknownDOMRpcRoutingTableEntry(key, implementations);
- }
- }
-
- CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final SchemaPath type, final NormalizedNode<?, ?> input) {
- final AbstractDOMRpcRoutingTableEntry entry = rpcs.get(type);
- if (entry == null) {
- return Futures.<DOMRpcResult, DOMRpcException>immediateFailedCheckedFuture(new DOMRpcImplementationNotAvailableException("No implementation of RPC %s available", type));
- }
-
- return entry.invokeRpc(input);
- }
-
- DOMRpcRoutingTable setSchemaContext(final SchemaContext context) {
- final Builder<SchemaPath, AbstractDOMRpcRoutingTableEntry> b = ImmutableMap.builder();
-
- for (Entry<SchemaPath, AbstractDOMRpcRoutingTableEntry> e : rpcs.entrySet()) {
- b.put(e.getKey(), createRpcEntry(context, e.getKey(), e.getValue().getImplementations()));
- }
-
- return new DOMRpcRoutingTable(b.build(), context);
- }
-
-}