/**
* 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.impl;
import com.google.common.base.Preconditions;
import org.opendaylight.controller.frm.ForwardingRulesManager;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
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.FlowCapableNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.OriginalMeterBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.UpdatedMeterBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterRef;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* MeterForwarder
* It implements {@link org.opendaylight.controller.md.sal.binding.api.DataChangeListener}}
* for WildCardedPath to {@link Meter} and ForwardingRulesCommiter interface for methods:
* add, update and remove {@link Meter} processing for
* {@link org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent}.
*
* @author Vaclav Demcak
*
*/
public class MeterForwarder extends AbstractListeningCommiter {
private static final Logger LOG = LoggerFactory.getLogger(MeterForwarder.class);
private ListenerRegistration listenerRegistration;
public MeterForwarder (final ForwardingRulesManager manager, final DataBroker db) {
super(manager, Meter.class);
Preconditions.checkNotNull(db, "DataBroker can not be null!");
this.listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
getWildCardPath(), MeterForwarder.this, DataChangeScope.SUBTREE);
}
@Override
public void close() {
if (listenerRegistration != null) {
try {
listenerRegistration.close();
} catch (Exception e) {
LOG.error("Error by stop FRM MeterChangeListener.", e);
}
listenerRegistration = null;
}
}
@Override
protected InstanceIdentifier getWildCardPath() {
return InstanceIdentifier.create(Nodes.class).child(Node.class)
.augmentation(FlowCapableNode.class).child(Meter.class);
}
@Override
public void remove(final InstanceIdentifier identifier, final Meter removeDataObj,
final InstanceIdentifier nodeIdent) {
final RemoveMeterInputBuilder builder = new RemoveMeterInputBuilder(removeDataObj);
builder.setNode(new NodeRef(nodeIdent.firstIdentifierOf(Node.class)));
builder.setMeterRef(new MeterRef(identifier));
builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
this.provider.getSalMeterService().removeMeter(builder.build());
}
@Override
public void update(final InstanceIdentifier identifier,
final Meter original, final Meter update,
final InstanceIdentifier nodeIdent) {
final UpdateMeterInputBuilder builder = new UpdateMeterInputBuilder();
builder.setNode(new NodeRef(nodeIdent.firstIdentifierOf(Node.class)));
builder.setMeterRef(new MeterRef(identifier));
builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
builder.setUpdatedMeter((new UpdatedMeterBuilder(update)).build());
builder.setOriginalMeter((new OriginalMeterBuilder(original)).build());
this.provider.getSalMeterService().updateMeter(builder.build());
}
@Override
public void add(final InstanceIdentifier identifier, final Meter addDataObj,
final InstanceIdentifier nodeIdent) {
final AddMeterInputBuilder builder = new AddMeterInputBuilder(addDataObj);
builder.setNode(new NodeRef(nodeIdent.firstIdentifierOf(Node.class)));
builder.setMeterRef(new MeterRef(identifier));
builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
this.provider.getSalMeterService().addMeter(builder.build());
}
}