opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMRpcProviderServiceAdapter.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.binding.impl;
   9
  10 import com.google.common.collect.ImmutableSet;
  11 import java.lang.reflect.Method;
  12 import java.util.ArrayList;
  13 import java.util.Collection;
  14 import java.util.HashSet;
  15 import java.util.Map;
  16 import java.util.Set;
  17 import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
  18 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationRegistration;
  19 import org.opendaylight.controller.md.sal.dom.api.DOMRpcProviderService;
  20 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22 import org.opendaylight.yangtools.yang.binding.RpcService;
  23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  25
  26 public class BindingDOMRpcProviderServiceAdapter {
  27
  28     private static final Set<YangInstanceIdentifier> GLOBAL = ImmutableSet.of(YangInstanceIdentifier.EMPTY);
  29     private final BindingToNormalizedNodeCodec codec;
  30     private final DOMRpcProviderService domRpcRegistry;
  31
  32     public BindingDOMRpcProviderServiceAdapter(final DOMRpcProviderService domRpcRegistry, final BindingToNormalizedNodeCodec codec) {
  33         this.codec = codec;
  34         this.domRpcRegistry = domRpcRegistry;
  35     }
  36
  37     public <S extends RpcService, T extends S> ObjectRegistration<T> registerRpcImplementation(final Class<S> type,
  38             final T implementation) {
  39         return register(type, implementation, GLOBAL);
  40     }
  41
  42     public <S extends RpcService, T extends S> ObjectRegistration<T> registerRpcImplementation(final Class<S> type,
  43             final T implementation, final Set<InstanceIdentifier<?>> paths) {
  44         return register(type, implementation, toYangInstanceIdentifiers(paths));
  45     }
  46
  47     private <S extends RpcService, T extends S> ObjectRegistration<T> register(final Class<S> type, final T implementation, final Collection<YangInstanceIdentifier> rpcContextPaths) {
  48         final Map<SchemaPath, Method> rpcs = codec.getRpcMethodToSchemaPath(type).inverse();
  49
  50         final BindingDOMRpcImplementationAdapter adapter = new BindingDOMRpcImplementationAdapter(codec.getCodecRegistry(), type, rpcs, implementation);
  51         final Set<DOMRpcIdentifier> domRpcs = createDomRpcIdentifiers(rpcs.keySet(), rpcContextPaths);
  52         final DOMRpcImplementationRegistration<?> domReg = domRpcRegistry.registerRpcImplementation(adapter, domRpcs);
  53         return new BindingRpcAdapterRegistration<>(implementation, domReg);
  54     }
  55
  56     private static Set<DOMRpcIdentifier> createDomRpcIdentifiers(final Set<SchemaPath> rpcs, final Collection<YangInstanceIdentifier> paths) {
  57         final Set<DOMRpcIdentifier> ret = new HashSet<>();
  58         for (final YangInstanceIdentifier path : paths) {
  59             for (final SchemaPath rpc : rpcs) {
  60                 ret.add(DOMRpcIdentifier.create(rpc, path));
  61             }
  62         }
  63         return ret;
  64     }
  65
  66     private Collection<YangInstanceIdentifier> toYangInstanceIdentifiers(final Set<InstanceIdentifier<?>> identifiers) {
  67         final Collection<YangInstanceIdentifier> ret = new ArrayList<>(identifiers.size());
  68         for (final InstanceIdentifier<?> binding : identifiers) {
  69             ret.add(codec.toYangInstanceIdentifierCached(binding));
  70         }
  71         return ret;
  72     }
  73 }