1 files changed, 0 insertions, 241 deletions
diff --git a/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/registry/SubtreeReader.java b/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/registry/SubtreeReader.java
deleted file mode 100644
index 3bc76b19a..000000000
--- a/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/registry/SubtreeReader.java
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * 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.translate.util.read.registry;
-
-import static com.google.common.base.Preconditions.checkArgument;
-
-import com.google.common.base.Optional;
-import com.google.common.collect.Iterables;
-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.util.RWUtils;
-import io.fd.honeycomb.translate.util.ReflectionUtils;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.concepts.Builder;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.Identifiable;
-import org.opendaylight.yangtools.yang.binding.Identifier;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Simple Reader delegate for subtree Readers (Readers handling also children nodes) providing a list of all the
- * children nodes being handled.
- */
-class SubtreeReader<D extends DataObject, B extends Builder<D>> implements Reader<D, B> {
-
-    private static final Logger LOG = LoggerFactory.getLogger(SubtreeReader.class);
-
-    protected final Reader<D, B> delegate;
-    private final Set<InstanceIdentifier<?>> handledChildTypes = new HashSet<>();
-
-    SubtreeReader(final Reader<D, B> delegate, Set<InstanceIdentifier<?>> handledTypes) {
-        this.delegate = delegate;
-        for (InstanceIdentifier<?> handledType : handledTypes) {
-            // Iid has to start with Reader's handled root type
-            checkArgument(delegate.getManagedDataObjectType().getTargetType().equals(
-                    handledType.getPathArguments().iterator().next().getType()),
-                    "Handled node from subtree has to be identified by an instance identifier starting from: %s."
-                            + "Instance identifier was: %s", getManagedDataObjectType().getTargetType(), handledType);
-            checkArgument(Iterables.size(handledType.getPathArguments()) > 1,
-                    "Handled node from subtree identifier too short: %s", handledType);
-            handledChildTypes.add(InstanceIdentifier.create(Iterables.concat(
-                    getManagedDataObjectType().getPathArguments(), Iterables.skip(handledType.getPathArguments(), 1))));
-        }
-    }
-
-    /**
-     * Return set of types also handled by this Reader. All of the types are children of the type managed by this Reader
-     * excluding the type of this Reader.
-     */
-    Set<InstanceIdentifier<?>> getHandledChildTypes() {
-        return handledChildTypes;
-    }
-
-    @Override
-    @Nonnull
-    public Optional<? extends DataObject> read(
-            @Nonnull final InstanceIdentifier<? extends DataObject> id,
-            @Nonnull final ReadContext ctx) throws ReadFailedException {
-        final InstanceIdentifier<?> wildcarded = RWUtils.makeIidWildcarded(id);
-
-        // Reading entire subtree and filtering if is current reader responsible
-        if (getHandledChildTypes().contains(wildcarded)) {
-            LOG.debug("{}: Subtree node managed by this writer requested: {}. Reading current and filtering", this, id);
-            // If there's no dedicated reader, use read current
-            final InstanceIdentifier<D> currentId = RWUtils.cutId(id, getManagedDataObjectType());
-            final Optional<? extends DataObject> current = delegate.read(currentId, ctx);
-            // then perform post-reading filtering (return only requested sub-node)
-            final Optional<? extends DataObject> readSubtree = current.isPresent()
-                ? filterSubtree(current.get(), id, getManagedDataObjectType().getTargetType())
-                : current;
-
-            LOG.debug("{}: Subtree: {} read successfully. Result: {}", this, id, readSubtree);
-            return readSubtree;
-
-        // If child that's handled here is not requested, then delegate should be able to handle the read
-        } else {
-            return delegate.read(id, ctx);
-        }
-    }
-
-    @Override
-    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final B builder,
-                                      @Nonnull final ReadContext ctx)
-            throws ReadFailedException {
-        delegate.readCurrentAttributes(id, builder, ctx);
-    }
-
-    @Nonnull
-    @Override
-    public B getBuilder(final InstanceIdentifier<D> id) {
-        return delegate.getBuilder(id);
-    }
-
-    @Override
-    public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final D readValue) {
-        delegate.merge(parentBuilder, readValue);
-    }
-
-    @Nonnull
-    private static Optional<? extends DataObject> filterSubtree(@Nonnull final DataObject parent,
-                                                                @Nonnull final InstanceIdentifier<? extends DataObject> absolutPath,
-                                                                @Nonnull final Class<?> managedType) {
-        final InstanceIdentifier.PathArgument nextId =
-                RWUtils.getNextId(absolutPath, InstanceIdentifier.create(parent.getClass()));
-
-        final Optional<? extends DataObject> nextParent = findNextParent(parent, nextId, managedType);
-
-        if (Iterables.getLast(absolutPath.getPathArguments()).equals(nextId)) {
-            return nextParent; // we found the dataObject identified by absolutePath
-        } else if (nextParent.isPresent()) {
-            return filterSubtree(nextParent.get(), absolutPath, nextId.getType());
-        } else {
-            return nextParent; // we can't go further, return Optional.absent()
-        }
-    }
-
-    private static Optional<? extends DataObject> findNextParent(@Nonnull final DataObject parent,
-                                                                 @Nonnull final InstanceIdentifier.PathArgument nextId,
-                                                                 @Nonnull final Class<?> managedType) {
-        Optional<Method> method = ReflectionUtils.findMethodReflex(managedType, "get",
-                Collections.emptyList(), nextId.getType());
-
-        if (method.isPresent()) {
-            return Optional.fromNullable(filterSingle(parent, nextId, method.get()));
-        } else {
-            // List child nodes
-            method = ReflectionUtils.findMethodReflex(managedType,
-                    "get" + nextId.getType().getSimpleName(), Collections.emptyList(), List.class);
-
-            if (method.isPresent()) {
-                return filterList(parent, nextId, method.get());
-            } else {
-                throw new IllegalStateException(
-                        "Unable to filter " + nextId + " from " + parent + " getters not found using reflexion");
-            }
-        }
-    }
-
-    @SuppressWarnings("unchecked")
-    private static Optional<? extends DataObject> filterList(final DataObject parent,
-                                                             final InstanceIdentifier.PathArgument nextId,
-                                                             final Method method) {
-        final List<? extends DataObject> invoke = (List<? extends DataObject>) invoke(method, nextId, parent);
-
-        checkArgument(nextId instanceof InstanceIdentifier.IdentifiableItem<?, ?>,
-                "Unable to perform wildcarded read for %s", nextId);
-        final Identifier key = ((InstanceIdentifier.IdentifiableItem) nextId).getKey();
-
-        final Method keyGetter = ReflectionUtils.findMethodReflex(nextId.getType(), "get",
-                        Collections.emptyList(), key.getClass()).get();
-
-        return Optional.fromNullable(invoke.stream()
-                .filter(item -> key.equals(invoke(keyGetter, nextId, item)))
-                .findFirst().orElse(null));
-    }
-
-    private static DataObject filterSingle(final DataObject parent,
-                                           final InstanceIdentifier.PathArgument nextId, final Method method) {
-        return nextId.getType().cast(invoke(method, nextId, parent));
-    }
-
-    private static Object invoke(final Method method,
-                                 final InstanceIdentifier.PathArgument nextId, final DataObject parent) {
-        try {
-            return method.invoke(parent);
-        } catch (IllegalAccessException | InvocationTargetException e) {
-            throw new IllegalArgumentException("Unable to get " + nextId + " from " + parent, e);
-        }
-    }
-
-    @Override
-    @Nonnull
-    public InstanceIdentifier<D> getManagedDataObjectType() {
-        return delegate.getManagedDataObjectType();
-    }
-
-    /**
-     * Wrap a Reader as a subtree Reader.
-     */
-    static <D extends DataObject, B extends Builder<D>> Reader<D, B> createForReader(@Nonnull final Set<InstanceIdentifier<?>> handledChildren,
-                                                                                     @Nonnull final Reader<D, B> reader) {
-        return (reader instanceof ListReader)
-                ? new SubtreeListReader<>((ListReader) reader, handledChildren)
-                : new SubtreeReader<>(reader, handledChildren);
-    }
-
-    static class SubtreeListReader<D extends DataObject & Identifiable<K>, B extends Builder<D>, K extends Identifier<D>>
-            extends SubtreeReader<D, B> implements ListReader<D, K, B> {
-
-        final ListReader<D, K, B> delegate;
-
-        SubtreeListReader(final ListReader<D, K, B> delegate,
-                                  final Set<InstanceIdentifier<?>> handledTypes) {
-            super(delegate, handledTypes);
-            this.delegate = delegate;
-        }
-
-        @Nonnull
-        @Override
-        public List<D> readList(@Nonnull final InstanceIdentifier<D> id, @Nonnull final ReadContext ctx)
-                throws ReadFailedException {
-            return delegate.readList(id, ctx);
-        }
-
-        @Override
-        public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<D> readData) {
-            delegate.merge(builder, readData);
-        }
-
-        @Override
-        public List<K> getAllIds(@Nonnull final InstanceIdentifier<D> id,
-                                 @Nonnull final ReadContext ctx) throws ReadFailedException {
-            return delegate.getAllIds(id, ctx);
-        }
-    }
-
-}