diff options
Diffstat (limited to 'framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceContext.java')
-rw-r--r-- | framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceContext.java | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceContext.java b/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceContext.java new file mode 100644 index 00000000..b419a346 --- /dev/null +++ b/framework/src/onos/incubator/rpc-grpc/src/main/java/org/onosproject/incubator/rpc/grpc/GrpcRemoteServiceContext.java @@ -0,0 +1,75 @@ +/* + * Copyright 2015 Open Networking Laboratory + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.onosproject.incubator.rpc.grpc; + +import static com.google.common.base.Preconditions.checkNotNull; + +import java.util.Map; +import java.util.NoSuchElementException; +import java.util.concurrent.ConcurrentHashMap; + +import org.onosproject.incubator.rpc.RemoteServiceContext; +import org.onosproject.net.device.DeviceProviderRegistry; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; + +import io.grpc.ManagedChannel; + +// gRPC Client side +// Probably there should be plug-in mechanism in the future. +/** + * RemoteServiceContext based on gRPC. + * + * <p> + * Currently it supports {@link DeviceProviderRegistry}. + */ +public class GrpcRemoteServiceContext implements RemoteServiceContext { + + private final Logger log = LoggerFactory.getLogger(getClass()); + + private final Map<Class<? extends Object>, Object> services = new ConcurrentHashMap<>(); + + private final ManagedChannel channel; + + public GrpcRemoteServiceContext(ManagedChannel channel) { + this.channel = checkNotNull(channel); + services.put(DeviceProviderRegistry.class, new DeviceProviderRegistryClientProxy(channel)); + } + + + @Override + public <T> T get(Class<T> serviceClass) { + @SuppressWarnings("unchecked") + T service = (T) services.get(serviceClass); + if (service != null) { + return service; + } + log.error("{} not supported", serviceClass); + throw new NoSuchElementException(serviceClass.getTypeName() + " not supported"); + } + + + @Override + public String toString() { + return MoreObjects.toStringHelper(this) + .add("services", services.keySet()) + .add("channel", channel.authority()) + .toString(); + } + +} |