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/*
* Copyright (c) 2016 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.lisp.translate.write;
import static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import io.fd.hc2vpp.lisp.translate.service.LispStateCheckService;
import io.fd.hc2vpp.lisp.translate.util.CheckedLispCustomizer;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev171013.eid.table.grouping.eid.table.VniTable;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev171013.eid.table.grouping.eid.table.VniTableKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
/**
* This customizer serves only as a check if user is not trying to define VniTable <br>
* without mapping to vrf/bd
*/
public class VniTableCustomizer extends CheckedLispCustomizer implements ListWriterCustomizer<VniTable, VniTableKey> {
public VniTableCustomizer(@Nonnull final FutureJVppCore futureJvpp,
@Nonnull final LispStateCheckService lispStateCheckService) {
super(futureJvpp, lispStateCheckService);
}
@Override
public void writeCurrentAttributes(InstanceIdentifier<VniTable> id, VniTable dataAfter, WriteContext writeContext)
throws WriteFailedException {
lispStateCheckService.checkLispEnabledAfter(writeContext);
checkAtLeastOnChildExists(id, writeContext, false);
}
@Override
public void deleteCurrentAttributes(InstanceIdentifier<VniTable> id, VniTable dataBefore, WriteContext writeContext)
throws WriteFailedException {
lispStateCheckService.checkLispEnabledBefore(writeContext);
checkAtLeastOnChildExists(id, writeContext, true);
}
private void checkAtLeastOnChildExists(final InstanceIdentifier<VniTable> id, final WriteContext writeContext,
final boolean before) {
Optional<VniTable> optData;
final InstanceIdentifier<VniTable> trimmedId = RWUtils.cutId(id, InstanceIdentifier.create(VniTable.class));
if (before) {
optData = writeContext.readBefore(trimmedId);
} else {
optData = writeContext.readAfter(trimmedId);
}
checkState(optData.isPresent(), "Illegal after-write state");
final VniTable dataAfter = optData.get();
checkState(dataAfter.getVrfSubtable() != null || dataAfter.getBridgeDomainSubtable() != null,
"At least one of VrfSubtable/BridgeDomainSubtable must be defined");
}
}
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