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 javax.annotation.Nonnull;
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13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
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14 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
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16 import com.google.common.base.Optional;
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19 * Implementation of data access object for {@link FlowCapableNode}.
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20 * Contains pair of snapshot and odl DAOs.
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22 public class FlowCapableNodeCachedDao implements FlowCapableNodeDao {
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24 private final FlowCapableNodeDao snapshotDao;
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25 private final FlowCapableNodeDao odlDao;
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27 public FlowCapableNodeCachedDao(FlowCapableNodeDao snapshotDao, FlowCapableNodeDao odlDao) {
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28 this.snapshotDao = snapshotDao;
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29 this.odlDao = odlDao;
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32 public Optional<FlowCapableNode> loadByNodeId(@Nonnull NodeId nodeId) {
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33 final Optional<FlowCapableNode> node = snapshotDao.loadByNodeId(nodeId);
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35 if (node.isPresent()) {
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39 return odlDao.loadByNodeId(nodeId);
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