/*
* Copyright (c) 2014, 2017 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.remote.rpc;
import akka.actor.ActorRef;
import akka.pattern.Patterns;
import akka.util.Timeout;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.CheckedFuture;
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.DOMRpcResult;
import org.opendaylight.controller.remote.rpc.messages.ExecuteRpc;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
/**
* A {@link DOMRpcImplementation} which routes invocation requests to a remote invoker actor.
*
* @author Robert Varga
*/
final class RemoteRpcImplementation implements DOMRpcImplementation {
// 0 for local, 1 for binding, 2 for remote
private static final long COST = 2;
private final ActorRef remoteInvoker;
private final Timeout askDuration;
RemoteRpcImplementation(final ActorRef remoteInvoker, final RemoteRpcProviderConfig config) {
this.remoteInvoker = Preconditions.checkNotNull(remoteInvoker);
this.askDuration = config.getAskDuration();
}
@Override
public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final DOMRpcIdentifier rpc,
final NormalizedNode<?, ?> input) {
final RemoteDOMRpcFuture ret = RemoteDOMRpcFuture.create(rpc.getType().getLastComponent());
ret.completeWith(Patterns.ask(remoteInvoker, ExecuteRpc.from(rpc, input), askDuration));
return ret;
}
@Override
public long invocationCost() {
return COST;
}
}