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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.infra.bgp.neighbors;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.Protocol;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.ProtocolKey;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.InstallProtocolType;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
/**
* Dummy customizer for handling network-instance's protocol node required by BGP peer configuration (HC implements the
* same model as ODL BGP).
*
* Ensures that at most one protocol is created.
*
* Update and delete is not supported, because HC does not support runtime BGP server reconfiguration.
*/
final class ProtocolCustomizer implements ListWriterCustomizer<Protocol, ProtocolKey> {
private final String protocolInstanceName;
ProtocolCustomizer(@Nonnull final String protocolInstanceName) {
this.protocolInstanceName = checkNotNull(protocolInstanceName, "protocol instance name should not be null");
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Protocol> id,
@Nonnull final Protocol dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String protocolName = dataAfter.getName();
checkArgument(protocolInstanceName.equals(protocolName),
"Only single protocol named %s is supported, but %s was given", protocolInstanceName, protocolName);
final Class<? extends InstallProtocolType> identifier = dataAfter.getIdentifier();
checkArgument(BGP.class.equals(identifier),
"Only BGP protocol type is supported, but %s was given", identifier);
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Protocol> id,
@Nonnull final Protocol dataBefore, @Nonnull final Protocol dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter,
new UnsupportedOperationException("Network instance protocol update is not supported"));
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Protocol> id,
@Nonnull final Protocol dataBefore, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
throw new WriteFailedException.DeleteFailedException(id,
new UnsupportedOperationException("Network instance protocol delete is not supported"));
}
}
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