2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
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4 * This program and the accompanying materials are made available under the
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5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
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6 * and is available at http://www.eclipse.org/legal/epl-v10.html
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9 package org.opendaylight.openflowplugin.applications.frsync.dao;
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11 import com.google.common.base.Optional;
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13 import java.util.concurrent.TimeUnit;
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14 import java.util.concurrent.TimeoutException;
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16 import javax.annotation.Nonnull;
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17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
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18 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
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19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
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20 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
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21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
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22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
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23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
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24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
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25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
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26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
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27 import org.slf4j.Logger;
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28 import org.slf4j.LoggerFactory;
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31 * Implementation of data access object for ODL {@link FlowCapableNode}.
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33 public class FlowCapableNodeOdlDao implements FlowCapableNodeDao {
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35 private static final Logger LOG = LoggerFactory.getLogger(FlowCapableNodeOdlDao.class);
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37 private static final InstanceIdentifier<Nodes> NODES_IID = InstanceIdentifier.create(Nodes.class);
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38 private final DataBroker dataBroker;
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39 private final LogicalDatastoreType logicalDatastoreType;
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41 public FlowCapableNodeOdlDao(DataBroker dataBroker, LogicalDatastoreType logicalDatastoreType) {
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42 this.dataBroker = dataBroker;
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43 this.logicalDatastoreType = logicalDatastoreType;
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46 public Optional<FlowCapableNode> loadByNodeId(@Nonnull NodeId nodeId) {
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47 try (final ReadOnlyTransaction roTx = dataBroker.newReadOnlyTransaction()) {
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48 final InstanceIdentifier<FlowCapableNode> path =
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49 NODES_IID.child(Node.class, new NodeKey(nodeId)).augmentation(FlowCapableNode.class);
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50 return roTx.read(logicalDatastoreType, path).checkedGet(5000, TimeUnit.MILLISECONDS);
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51 } catch (ReadFailedException | TimeoutException e) {
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52 LOG.error("error reading {}", nodeId, e);
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55 return Optional.absent();
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