-/**
- * Copyright (c) 2014 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.controller.frm.flow;
-
-import java.math.BigInteger;
-
-import org.opendaylight.controller.frm.AbstractChangeListener;
-import org.opendaylight.controller.frm.FlowCookieProducer;
-import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
-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.table.Flow;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowTableRef;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.OriginalFlowBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.UpdatedFlowBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowRef;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.base.Preconditions;
-
-/**
- * Flow Change Listener
- * add, update and remove {@link Flow} processing from {@link org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent}.
- *
- * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
- *
- */
-public class FlowChangeListener extends AbstractChangeListener {
-
- private static final Logger LOG = LoggerFactory.getLogger(FlowChangeListener.class);
-
- private final FlowProvider provider;
-
- public FlowChangeListener (final FlowProvider provider) {
- this.provider = Preconditions.checkNotNull(provider, "FlowProvider can not be null !");
- }
-
- @Override
- protected void remove(final InstanceIdentifier<? extends DataObject> identifier,
- final DataObject removeDataObj) {
-
- final Flow flow = ((Flow) removeDataObj);
- final InstanceIdentifier<Table> tableIdent = identifier.firstIdentifierOf(Table.class);
- final InstanceIdentifier<Node> nodeIdent = identifier.firstIdentifierOf(Node.class);
- final RemoveFlowInputBuilder builder = new RemoveFlowInputBuilder(flow);
-
- // use empty cookie mask in order to delete flow even with generated cookie
- builder.setCookieMask(new FlowCookie(BigInteger.ZERO));
-
- builder.setFlowRef(new FlowRef(identifier));
- builder.setNode(new NodeRef(nodeIdent));
- builder.setFlowTable(new FlowTableRef(tableIdent));
-
- Uri uri = new Uri(this.getTransactionId());
- builder.setTransactionUri(uri);
- this.provider.getSalFlowService().removeFlow(builder.build());
- LOG.debug("Transaction {} - Removed Flow has removed flow: {}", new Object[]{uri, removeDataObj});
- }
-
- @Override
- protected void update(final InstanceIdentifier<? extends DataObject> identifier,
- final DataObject original, final DataObject update) {
-
- final Flow originalFlow = ((Flow) original);
- final Flow updatedFlow = ((Flow) update);
- final InstanceIdentifier<Node> nodeIdent = identifier.firstIdentifierOf(Node.class);
- final UpdateFlowInputBuilder builder = new UpdateFlowInputBuilder();
-
- builder.setNode(new NodeRef(nodeIdent));
- builder.setFlowRef(new FlowRef(identifier));
-
- Uri uri = new Uri(this.getTransactionId());
- builder.setTransactionUri(uri);
-
- builder.setUpdatedFlow((new UpdatedFlowBuilder(updatedFlow)).build());
- builder.setOriginalFlow((new OriginalFlowBuilder(originalFlow)).build());
-
- this.provider.getSalFlowService().updateFlow(builder.build());
- LOG.debug("Transaction {} - Update Flow has updated flow {} with {}", new Object[]{uri, original, update});
- }
-
- @Override
- protected void add(final InstanceIdentifier<? extends DataObject> identifier,
- final DataObject addDataObj) {
-
- final Flow flow = ((Flow) addDataObj);
- final InstanceIdentifier<Table> tableIdent = identifier.firstIdentifierOf(Table.class);
- final NodeRef nodeRef = new NodeRef(identifier.firstIdentifierOf(Node.class));
- final FlowCookie flowCookie = new FlowCookie(FlowCookieProducer.INSTANCE.getNewCookie(tableIdent));
- final AddFlowInputBuilder builder = new AddFlowInputBuilder(flow);
-
- builder.setNode(nodeRef);
- builder.setFlowRef(new FlowRef(identifier));
- builder.setFlowTable(new FlowTableRef(tableIdent));
- builder.setCookie( flowCookie );
-
- Uri uri = new Uri(this.getTransactionId());
- builder.setTransactionUri(uri);
- this.provider.getSalFlowService().addFlow(builder.build());
- LOG.debug("Transaction {} - Add Flow has added flow: {}", new Object[]{uri, addDataObj});
- }
-
- @Override
- protected boolean preconditionForChange(final InstanceIdentifier<? extends DataObject> identifier,
- final DataObject dataObj, final DataObject update) {
-
- final ReadOnlyTransaction trans = this.provider.getDataService().newReadOnlyTransaction();
- return update != null
- ? (dataObj instanceof Flow && update instanceof Flow && isNodeAvailable(identifier, trans))
- : (dataObj instanceof Flow && isNodeAvailable(identifier, trans));
- }
-}
Code Review / controller.git / blobdiff