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BGP RIB implementation
There is a newer version: 0.22.4
/*
 * 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.protocol.bgp.rib.impl;

import static java.util.Objects.requireNonNull;

import java.util.Collection;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
import org.opendaylight.protocol.bgp.rib.impl.spi.RIBSupportContext;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.unreach.MpUnreachNlri;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;

/**
 * A context for a single RIB table instance. It is always bound to a particular {@link AdjRibInWriter}.
 *
 * This class is NOT thread-safe.
 */
// FIXME: need a better name once we local-rib and rib-out contexts
final class TableContext {
    private final YangInstanceIdentifier tableId;
    private final RIBSupportContext tableSupport;

    TableContext(final RIBSupportContext tableSupport, final YangInstanceIdentifier tableId) {
        this.tableSupport = requireNonNull(tableSupport);
        this.tableId = requireNonNull(tableId);
    }

    YangInstanceIdentifier getTableId() {
        return this.tableId;
    }


    void createEmptyTableStructure(final DOMDataTreeWriteTransaction tx) {
        this.tableSupport.createEmptyTableStructure(tx, this.tableId);
    }

    void removeTable(final DOMDataTreeWriteTransaction tx) {
        tx.delete(LogicalDatastoreType.OPERATIONAL, this.tableId);
    }

    Collection writeRoutes(final DOMDataTreeWriteTransaction tx, final MpReachNlri nlri,
                                                         final Attributes attributes) {
        return this.tableSupport.writeRoutes(tx, this.tableId, nlri, attributes);
    }

    void removeRoutes(final DOMDataTreeWriteTransaction tx, final MpUnreachNlri nlri) {
        this.tableSupport.deleteRoutes(tx, this.tableId, nlri);
    }

    YangInstanceIdentifier routesPath() {
        return tableSupport.getRibSupport().routesPath(this.tableId);
    }

    YangInstanceIdentifier routePath(final PathArgument routeId) {
        return tableSupport.getRibSupport().routePath(this.tableId, routeId);
    }
}