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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.data.impl;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import com.google.common.base.Optional;
import com.google.common.collect.Lists;
import com.google.common.collect.Multimap;
import com.google.common.collect.Sets;
import com.google.common.util.concurrent.CheckedFuture;
import io.fd.honeycomb.translate.impl.read.GenericListReader;
import io.fd.honeycomb.translate.read.ListReader;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.read.Reader;
import io.fd.honeycomb.translate.read.registry.ReaderRegistry;
import io.fd.honeycomb.translate.util.read.ReflexiveListReaderCustomizer;
import io.fd.honeycomb.translate.util.read.registry.CompositeReaderRegistryBuilder;
import java.util.List;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.junit.Test;
import org.mockito.Mock;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.hc.test.rev150105.ContainerWithList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.hc.test.rev150105.ContainerWithListBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.hc.test.rev150105.container.with.list.ListInContainer;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.hc.test.rev150105.container.with.list.ListInContainerBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.hc.test.rev150105.container.with.list.ListInContainerKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.hc.test.rev150105.container.with.list.list.in.container.ContainerInList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.hc.test.rev150105.container.with.list.list.in.container.ContainerInListBuilder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
public class HoneycombSubtreeReadInfraTest extends AbstractInfraTest {
@Mock
private ReadContext ctx;
private ReaderRegistry registry;
private Reader<ContainerWithList, ContainerWithListBuilder> containerWithListReader =
HoneycombReadInfraTest.mockReader(Ids.CONTAINER_WITH_LIST_ID, this::readSubtree, ContainerWithListBuilder.class);
private ListReader<ListInContainer, ListInContainerKey, ListInContainerBuilder> listInContainerReader =
new GenericListReader<>(Ids.LIST_IN_CONTAINER_ID,
new ReflexiveListReaderCustomizer<ListInContainer, ListInContainerKey, ListInContainerBuilder>(Ids.LIST_IN_CONTAINER_ID.getTargetType(), ListInContainerBuilder.class) {
@Nonnull
@Override
public List<ListInContainerKey> getAllIds(@Nonnull final InstanceIdentifier<ListInContainer> id,
@Nonnull final ReadContext context)
throws ReadFailedException {
// FIXME this is the only way of extending subtree reader via its list child
// Reflexive list reader has to be used in place of the list(managed by subtree reader perent)
// to enable further children readers. However, it will not work out of the box, because
// reflexive list reader has no way to tell what are the IDs to correctly invoke its children.
// Only way is to override the getAllIds method in reflexive reader and return the same list
// as parent used (this can be done using cache or repeated dump call)
return Lists.newArrayList(new ListInContainerKey(1L), new ListInContainerKey(2L));
}
@Override
public void readCurrentAttributes(final InstanceIdentifier<ListInContainer> id,
final ListInContainerBuilder builder,
final ReadContext context) throws ReadFailedException {
super.readCurrentAttributes(id, builder, context);
builder.setKey(id.firstKeyOf(ListInContainer.class));
}
});
private Reader<ContainerInList, ContainerInListBuilder> containerInListReader =
HoneycombReadInfraTest.mockReader(Ids.CONTAINER_IN_LIST_ID, this::readContainerInList, ContainerInListBuilder.class);
// TODO Test subtree readers especially composite structure where readers are under subtree reader
@Override
void postSetup() {
initReaderRegistry();
}
private void initReaderRegistry() {
registry = new CompositeReaderRegistryBuilder()
// Subtree reader handling its child list
.subtreeAdd(Sets.newHashSet(Ids.LIST_IN_CONTAINER_ID), containerWithListReader)
// Reflexive
.add(listInContainerReader)
.add(containerInListReader)
.build();
}
@Test
public void testReadAll() throws Exception {
final ReadableDataTreeDelegator readableDataTreeDelegator =
new ReadableDataTreeDelegator(serializer, schemaContext, registry, contextBroker);
final CheckedFuture<Optional<NormalizedNode<?, ?>>, org.opendaylight.controller.md.sal.common.api.data.ReadFailedException>
read = readableDataTreeDelegator.read(YangInstanceIdentifier.EMPTY);
final Multimap<InstanceIdentifier<? extends DataObject>, ? extends DataObject> readAll =
toBinding(read.checkedGet().get());
assertThat(readAll.size(), is(1));
assertEquals(readEntireSubtree(), readAll.get(Ids.CONTAINER_WITH_LIST_ID).stream().findFirst().get());
}
private void readSubtree(final InstanceIdentifier<ContainerWithList> id,
final ContainerWithListBuilder b,
final ReadContext readContext) {
b.setListInContainer(Lists.newArrayList(1L, 2L).stream()
.map(l -> new ListInContainerBuilder().setId(l).build())
.collect(Collectors.toList()));
}
private ContainerWithList readEntireSubtree() {
final ContainerWithListBuilder b = new ContainerWithListBuilder();
b.setListInContainer(Lists.newArrayList(1L, 2L).stream()
.map(l -> {
final ContainerInListBuilder containerInListBuilder = new ContainerInListBuilder();
readContainerInList(
Ids.CONTAINER_WITH_LIST_ID.child(ListInContainer.class, new ListInContainerKey(l)).child(ContainerInList.class),
containerInListBuilder,
ctx);
return new ListInContainerBuilder().setId(l).setContainerInList(containerInListBuilder.build()).build();
})
.collect(Collectors.toList()));
return b.build();
}
private void readContainerInList(final InstanceIdentifier<ContainerInList> id,
final ContainerInListBuilder b,
final ReadContext readContext) {
b.setName(id.firstKeyOf(ListInContainer.class).getId().toString());
}
}
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