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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.honeycomb.lisp.translate.read;
import static com.google.common.base.Preconditions.checkNotNull;
import static io.fd.honeycomb.translate.v3po.util.cache.EntityDumpExecutor.NO_PARAMS;
import com.google.common.base.Optional;
import io.fd.honeycomb.lisp.translate.read.dump.check.LocatorSetsDumpCheck;
import io.fd.honeycomb.lisp.translate.read.dump.executor.LocatorSetsDumpExecutor;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
import io.fd.honeycomb.translate.v3po.util.NamingContext;
import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
import io.fd.honeycomb.translate.v3po.util.cache.DumpCacheManager;
import io.fd.honeycomb.translate.v3po.util.cache.exceptions.execution.DumpExecutionFailedException;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.LocatorSetsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.LocatorSet;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.LocatorSetBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.LocatorSetKey;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.core.dto.LispLocatorSetDetails;
import org.openvpp.jvpp.core.dto.LispLocatorSetDetailsReplyDump;
import org.openvpp.jvpp.core.future.FutureJVppCore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class LocatorSetCustomizer extends FutureJVppCustomizer
implements ListReaderCustomizer<LocatorSet, LocatorSetKey, LocatorSetBuilder> {
//TODO - temporary as public because of hack in write customizer in *.write.LocatorSetCustomizer
public static final String LOCATOR_SETS_CACHE_ID = LocatorSetCustomizer.class.getName();
private static final Logger LOG = LoggerFactory.getLogger(LocatorSetCustomizer.class);
private final DumpCacheManager<LispLocatorSetDetailsReplyDump, Void> dumpManager;
private final NamingContext locatorSetContext;
public LocatorSetCustomizer(@Nonnull final FutureJVppCore futureJvpp,
@Nonnull final NamingContext locatorSetContext) {
super(futureJvpp);
this.locatorSetContext = checkNotNull(locatorSetContext, "Locator Set mapping context cannot be null");
this.dumpManager = new DumpCacheManager.DumpCacheManagerBuilder<LispLocatorSetDetailsReplyDump, Void>()
.withExecutor(new LocatorSetsDumpExecutor(futureJvpp))
.withNonEmptyPredicate(new LocatorSetsDumpCheck())
.build();
}
@Override
public LocatorSetBuilder getBuilder(InstanceIdentifier<LocatorSet> id) {
return new LocatorSetBuilder();
}
@Override
public void readCurrentAttributes(InstanceIdentifier<LocatorSet> id, LocatorSetBuilder builder, ReadContext ctx)
throws ReadFailedException {
LOG.debug("Reading attributes for Locator Set {}", id);
Optional<LispLocatorSetDetailsReplyDump> dumpOptional;
try {
dumpOptional = dumpManager.getDump(LOCATOR_SETS_CACHE_ID, ctx.getModificationCache(), NO_PARAMS);
} catch (DumpExecutionFailedException e) {
throw new ReadFailedException(id, e);
}
if (!dumpOptional.isPresent()) {
LOG.warn("No dump present for Locator Set {}", id);
return;
}
String keyName = id.firstKeyOf(LocatorSet.class).getName();
LispLocatorSetDetailsReplyDump dump = dumpOptional.get();
java.util.Optional<LispLocatorSetDetails> details = dump.lispLocatorSetDetails.stream()
.filter(n -> keyName.equals(TranslateUtils.toString(n.locatorSetName)))
.findFirst();
if (details.isPresent()) {
final String name = TranslateUtils.toString(details.get().locatorSetName);
builder.setName(name);
builder.setKey(new LocatorSetKey(name));
} else {
LOG.warn("Locator Set {} not found in dump", id);
}
}
@Override
public List<LocatorSetKey> getAllIds(InstanceIdentifier<LocatorSet> id, ReadContext context)
throws ReadFailedException {
LOG.debug("Dumping Locator Set {}", id);
Optional<LispLocatorSetDetailsReplyDump> dumpOptional = null;
try {
dumpOptional = dumpManager.getDump(LOCATOR_SETS_CACHE_ID, context.getModificationCache(), NO_PARAMS);
} catch (DumpExecutionFailedException e) {
LOG.error("Error dumping Locator Set {}", e, id);
return Collections.emptyList();
}
if (dumpOptional.isPresent()) {
return dumpOptional.get().lispLocatorSetDetails.stream()
.map(set -> {
final String locatorSetName = TranslateUtils.toString(set.locatorSetName);
//creates mapping for existing locator-set(if it is'nt already existing one)
if (!locatorSetContext.containsIndex(locatorSetName, context.getMappingContext())) {
locatorSetContext.addName(set.locatorSetIndex, locatorSetName, context.getMappingContext());
}
LOG.trace("Locator Set with name: {}, VPP name: {} and index: {} found in VPP",
locatorSetContext.getName(set.locatorSetIndex, context.getMappingContext()),
locatorSetName,
set.locatorSetIndex);
return set;
})
.map(set -> new LocatorSetKey(TranslateUtils.toString(set.locatorSetName)))
.collect(Collectors.toList());
} else {
LOG.warn("No data dumped for Locator Set {}", id);
return Collections.emptyList();
}
}
@Override
public void merge(Builder<? extends DataObject> builder, List<LocatorSet> readData) {
((LocatorSetsBuilder) builder).setLocatorSet(readData);
}
}
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