/** * 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.openflowplugin.impl.device; import com.google.common.annotations.VisibleForTesting; import com.google.common.base.Preconditions; import com.google.common.util.concurrent.CheckedFuture; import com.google.common.util.concurrent.FutureCallback; import com.google.common.util.concurrent.Futures; import io.netty.util.HashedWheelTimer; import io.netty.util.Timeout; import io.netty.util.TimerTask; import java.util.concurrent.ExecutionException; import java.util.concurrent.TimeUnit; import javax.annotation.Nonnull; import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain; import org.opendaylight.controller.md.sal.binding.api.DataBroker; import org.opendaylight.controller.md.sal.binding.api.WriteTransaction; import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction; import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType; import org.opendaylight.controller.md.sal.common.api.data.TransactionChain; import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener; import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException; import org.opendaylight.yangtools.yang.binding.DataObject; import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * openflowplugin-impl * org.opendaylight.openflowplugin.impl.device *
* Package protected class for controlling {@link WriteTransaction} life cycle. It is * a {@link TransactionChainListener} and provide package protected methods for writeToTransaction * method (wrapped {@link WriteTransaction#put(LogicalDatastoreType, InstanceIdentifier, DataObject)}) * and submitTransaction method (wrapped {@link WriteTransaction#submit()}) * * @author Vaclav Demcak * * Created: Apr 2, 2015 */ @VisibleForTesting class TransactionChainManager implements TransactionChainListener { private static final Logger LOG = LoggerFactory.getLogger(TransactionChainManager.class); private final HashedWheelTimer hashedWheelTimer; private final DataBroker dataBroker; private final long maxTx; private final long timerValue; private BindingTransactionChain txChainFactory; private WriteTransaction wTx; private Timeout submitTaskTime; private long nrOfActualTx; private boolean submitIsEnabled; TransactionChainManager(@Nonnull final DataBroker dataBroker, @Nonnull final HashedWheelTimer hashedWheelTimer, final long maxTx, final long timerValue) { this.dataBroker = Preconditions.checkNotNull(dataBroker); this.hashedWheelTimer = Preconditions.checkNotNull(hashedWheelTimer); this.maxTx = maxTx; txChainFactory = dataBroker.createTransactionChain(TransactionChainManager.this); nrOfActualTx = 0L; this.timerValue = timerValue; LOG.debug("created txChainManager with operation limit {}", maxTx); } public void commitOperationsGatheredInOneTransaction() { enableSubmit(); submitTransaction(); } public void startGatheringOperationsToOneTransaction() { submitIsEnabled = false; }