org.opendaylight.openflowplugin.learningswitch.InstanceIdentifierUtils Maven / Gradle / Ivy
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/*
* Copyright (c) 2014, 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.learningswitch;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.Uint8;
public final class InstanceIdentifierUtils {
private InstanceIdentifierUtils() {
//hiding constructor for util class
}
/**
* Creates an Instance Identifier (path) for node with specified id.
*
* @param nodeId the NodeId
*/
public static InstanceIdentifier createNodePath(final NodeId nodeId) {
return InstanceIdentifier.builder(Nodes.class)
.child(Node.class, new NodeKey(nodeId))
.build();
}
/**
* Shorten's node child path to node path.
*
* @param nodeChild child of node, from which we want node path.
*/
public static InstanceIdentifier getNodePath(final InstanceIdentifier nodeChild) {
return nodeChild.firstIdentifierOf(Node.class);
}
/**
* Creates a table path by appending table specific location to node path.
*
* @param nodePath the node path
* @param tableKey the table yey
*/
public static InstanceIdentifier createTablePath(final InstanceIdentifier nodePath,
final TableKey tableKey) {
return nodePath.augmentation(FlowCapableNode.class).child(Table.class, tableKey);
}
/**
* Creates a path for particular flow, by appending flow-specific information
* to table path.
*
* @param tablePath the table path
* @param flowKey the flow key
* @return path to flow
*/
public static InstanceIdentifier createFlowPath(final InstanceIdentifier tablePath,
final FlowKey flowKey) {
return tablePath.child(Flow.class, flowKey);
}
/**
* Extract table id from table path.
*
* @param tablePath the table path
*/
public static Uint8 getTableId(final InstanceIdentifier tablePath) {
return tablePath.firstKeyOf(Table.class).getId();
}
/**
* Extracts NodeConnectorKey from node connector path.
*/
public static NodeConnectorKey getNodeConnectorKey(final InstanceIdentifier nodeConnectorPath) {
return nodeConnectorPath.firstKeyOf(NodeConnector.class);
}
public static InstanceIdentifier createNodeConnectorPath(final InstanceIdentifier nodeKey,
final NodeConnectorKey nodeConnectorKey) {
return nodeKey.child(NodeConnector.class,nodeConnectorKey);
}
}
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