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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.v3po.translate.impl.write;
import com.google.common.base.Optional;
import io.fd.honeycomb.v3po.translate.impl.TraversalType;
import io.fd.honeycomb.v3po.translate.write.ChildWriter;
import io.fd.honeycomb.v3po.translate.write.WriteContext;
import io.fd.honeycomb.v3po.translate.util.RWUtils;
import io.fd.honeycomb.v3po.translate.spi.write.ChildWriterCustomizer;
import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
import java.util.List;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.binding.Augmentation;
import org.opendaylight.yangtools.yang.binding.ChildOf;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class CompositeChildWriter<D extends DataObject> extends AbstractCompositeWriter<D>
implements ChildWriter<D> {
private final ChildWriterCustomizer<D> customizer;
public CompositeChildWriter(@Nonnull final Class<D> type,
@Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
@Nonnull final List<ChildWriter<? extends Augmentation<D>>> augWriters,
@Nonnull final ChildWriterCustomizer<D> customizer) {
this(type, childWriters, augWriters, customizer, TraversalType.PREORDER);
}
public CompositeChildWriter(@Nonnull final Class<D> type,
@Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
@Nonnull final List<ChildWriter<? extends Augmentation<D>>> augWriters,
@Nonnull final ChildWriterCustomizer<D> customizer,
@Nonnull final TraversalType traversalType) {
super(type, childWriters, augWriters, traversalType);
this.customizer = customizer;
}
public CompositeChildWriter(@Nonnull final Class<D> type,
@Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
@Nonnull final ChildWriterCustomizer<D> customizer) {
this(type, childWriters, RWUtils.<D>emptyAugWriterList(), customizer);
}
public CompositeChildWriter(@Nonnull final Class<D> type,
@Nonnull final ChildWriterCustomizer<D> customizer) {
this(type, RWUtils.<D>emptyChildWriterList(), RWUtils.<D>emptyAugWriterList(), customizer);
}
@Override
protected void writeCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D data,
@Nonnull final WriteContext ctx) throws WriteFailedException {
customizer.writeCurrentAttributes(id, data, ctx.getContext());
}
@Override
protected void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataBefore,
@Nonnull WriteContext ctx) throws WriteFailedException {
customizer.deleteCurrentAttributes(id, dataBefore, ctx.getContext());
}
@Override
protected void updateCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataBefore,
@Nonnull final D dataAfter, @Nonnull WriteContext ctx)
throws WriteFailedException {
customizer.updateCurrentAttributes(id, dataBefore, dataAfter, ctx.getContext());
}
@Override
public void writeChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
@Nonnull final DataObject parentData, @Nonnull WriteContext ctx)
throws WriteFailedException {
final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
final Optional<D> currentData = customizer.extract(currentId, parentData);
if(currentData.isPresent()) {
writeCurrent(currentId, currentData.get(), ctx);
}
}
@Override
public void deleteChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
@Nonnull final DataObject parentDataBefore,
@Nonnull final WriteContext ctx) throws WriteFailedException {
final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
final Optional<D> dataBefore = customizer.extract(currentId, parentDataBefore);
if(dataBefore.isPresent()) {
deleteCurrent(currentId, dataBefore.get(), ctx);
}
}
@Override
public void updateChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
@Nonnull final DataObject parentDataBefore, @Nonnull final DataObject parentDataAfter,
@Nonnull final WriteContext ctx) throws WriteFailedException {
final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
final Optional<D> before = customizer.extract(currentId, parentDataBefore);
final Optional<D> after = customizer.extract(currentId, parentDataAfter);
if(before.isPresent()) {
if(after.isPresent()) {
updateCurrent(currentId, before.get(), after.get(), ctx);
} else {
deleteCurrent(currentId, before.get(), ctx);
}
} else if (after.isPresent()){
writeCurrent(currentId, after.get(), ctx);
}
}
}
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