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/*
* Copyright (c) 2018 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.hc2vpp.nat.write;
import io.fd.honeycomb.translate.write.DataValidationFailedException;
import io.fd.honeycomb.translate.write.Validator;
import io.fd.honeycomb.translate.write.WriteContext;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180628.nat.instances.Instance;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
final class NatInstanceValidator implements Validator<Instance> {
@Override
public void validateDelete(@Nonnull final InstanceIdentifier<Instance> id, @Nonnull final Instance dataBefore,
@Nonnull final WriteContext writeContext)
throws DataValidationFailedException.DeleteValidationFailedException {
// For consistency with reader, forbid removing default NAT instance:
final Long vrfId = id.firstKeyOf(Instance.class).getId();
if (vrfId == 0) {
throw new DataValidationFailedException.DeleteValidationFailedException(id,
new UnsupportedOperationException("Removing default NAT instance (vrf=0) is not supported."));
}
}
}
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