/*
* Copyright (c) 2014 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.sal.connect.netconf.sal.tx;
import com.google.common.base.Function;
import com.google.common.util.concurrent.ListenableFuture;
import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
import org.opendaylight.netconf.api.NetconfDocumentedException;
import org.opendaylight.controller.sal.connect.netconf.util.NetconfBaseOps;
import org.opendaylight.controller.sal.connect.netconf.util.NetconfRpcFutureCallback;
import org.opendaylight.controller.sal.connect.util.RemoteDeviceId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Tx implementation for netconf devices that support only candidate datastore and writable running
* The sequence goes exactly as with only candidate supported, with one addition:
*
* - Running datastore is locked as the first thing and this lock has to succeed
*
*/
public class WriteCandidateRunningTx extends WriteCandidateTx {
private static final Logger LOG = LoggerFactory.getLogger(WriteCandidateRunningTx.class);
public WriteCandidateRunningTx(final RemoteDeviceId id, final NetconfBaseOps netOps, final boolean rollbackSupport, long requestTimeoutMillis) {
super(id, netOps, rollbackSupport, requestTimeoutMillis);
}
@Override
protected synchronized void init() {
lockRunning();
super.init();
}
@Override
protected void cleanupOnSuccess() {
super.cleanupOnSuccess();
unlockRunning();
}
private void lockRunning() {
try {
invokeBlocking("Lock running", new Function>() {
@Override
public ListenableFuture apply(final NetconfBaseOps input) {
return input.lockRunning(new NetconfRpcFutureCallback("Lock running", id));
}
});
} catch (final NetconfDocumentedException e) {
LOG.warn("{}: Failed to lock running. Failed to initialize transaction", id, e);
finished = true;
throw new RuntimeException(id + ": Failed to lock running. Failed to initialize transaction", e);
}
}
/**
* This has to be non blocking since it is called from a callback on commit and its netty threadpool that is really sensitive to blocking calls
*/
private void unlockRunning() {
netOps.unlockRunning(new NetconfRpcFutureCallback("Unlock running", id));
}
}