1 files changed, 0 insertions, 267 deletions
diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/AbstractCompositeReader.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/AbstractCompositeReader.java
deleted file mode 100644
index c99e0edc4..000000000
--- a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/AbstractCompositeReader.java
+++ /dev/null
@@ -1,267 +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.v3po.translate.impl.read;
-
-import static com.google.common.base.Preconditions.checkArgument;
-
-import com.google.common.annotations.Beta;
-import com.google.common.base.Optional;
-import com.google.common.base.Predicate;
-import com.google.common.collect.Iterables;
-import io.fd.honeycomb.v3po.translate.impl.TraversalType;
-import io.fd.honeycomb.v3po.translate.util.ReflectionUtils;
-import io.fd.honeycomb.v3po.translate.util.RWUtils;
-import io.fd.honeycomb.v3po.translate.read.ChildReader;
-import io.fd.honeycomb.v3po.translate.read.ReadContext;
-import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
-import io.fd.honeycomb.v3po.translate.read.Reader;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import org.opendaylight.yangtools.concepts.Builder;
-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.Identifier;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Beta
-abstract class AbstractCompositeReader<D extends DataObject, B extends Builder<D>> implements Reader<D> {
-
-    private static final Logger LOG = LoggerFactory.getLogger(AbstractCompositeReader.class);
-
-    private final Map<Class<? extends DataObject>, ChildReader<? extends ChildOf<D>>> childReaders;
-    private final Map<Class<? extends DataObject>, ChildReader<? extends Augmentation<D>>> augReaders;
-    private final InstanceIdentifier<D> instanceIdentifier;
-    private final TraversalType traversalType;
-
-    AbstractCompositeReader(final Class<D> managedDataObjectType,
-                            final List<ChildReader<? extends ChildOf<D>>> childReaders,
-                            final List<ChildReader<? extends Augmentation<D>>> augReaders,
-                            final TraversalType traversalType) {
-        this.traversalType = traversalType;
-        this.childReaders = RWUtils.uniqueLinkedIndex(childReaders, RWUtils.MANAGER_CLASS_FUNCTION);
-        this.augReaders = RWUtils.uniqueLinkedIndex(augReaders, RWUtils.MANAGER_CLASS_AUG_FUNCTION);
-        this.instanceIdentifier = InstanceIdentifier.create(managedDataObjectType);
-    }
-
-    @Nonnull
-    @Override
-    public final InstanceIdentifier<D> getManagedDataObjectType() {
-        return instanceIdentifier;
-    }
-
-    /**
-     * @param id {@link InstanceIdentifier} pointing to current node. In case of keyed list, key must be present.
-     *
-     */
-    protected Optional<D> readCurrent(final InstanceIdentifier<D> id,
-                                      @Nonnull final ReadContext ctx) throws ReadFailedException {
-        LOG.debug("{}: Reading current: {}", this, id);
-        final B builder = getBuilder(id);
-        // Cache empty value to determine if anything has changed later TODO cache in a field
-        final D emptyValue = builder.build();
-
-        switch (traversalType) {
-            case PREORDER: {
-                LOG.trace("{}: Reading current attributes", this);
-                readCurrentAttributes(id, builder, ctx);
-                readChildren(id, ctx, builder);
-                break;
-            }
-            case POSTORDER: {
-                readChildren(id, ctx, builder);
-                LOG.trace("{}: Reading current attributes", this);
-                readCurrentAttributes(id, builder, ctx);
-                break;
-            }
-        }
-
-        // Need to check whether anything was filled in to determine if data is present or not.
-        final D built = builder.build();
-        final Optional<D> read = built.equals(emptyValue)
-            ? Optional.<D>absent()
-            : Optional.of(built);
-
-        LOG.debug("{}: Current node read successfully. Result: {}", this, read);
-        return read;
-    }
-
-    private void readChildren(final InstanceIdentifier<D> id, final @Nonnull ReadContext ctx, final B builder)
-        throws ReadFailedException {
-        // TODO expect exceptions from reader
-        for (ChildReader<? extends ChildOf<D>> child : childReaders.values()) {
-            LOG.debug("{}: Reading child from: {}", this, child);
-            child.read(id, builder, ctx);
-        }
-
-        for (ChildReader<? extends Augmentation<D>> child : augReaders.values()) {
-            LOG.debug("{}: Reading augment from: {}", this, child);
-            child.read(id, builder, ctx);
-        }
-    }
-
-    @Nonnull
-    @Override
-    @SuppressWarnings("unchecked")
-    public Optional<? extends DataObject> read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
-                                               @Nonnull final ReadContext ctx)
-            throws ReadFailedException {
-        LOG.trace("{}: Reading : {}", this, id);
-        if (id.getTargetType().equals(getManagedDataObjectType().getTargetType())) {
-            return readCurrent((InstanceIdentifier<D>) id, ctx);
-        } else {
-            return readSubtree(id, ctx);
-        }
-    }
-
-    private Optional<? extends DataObject> readSubtree(final InstanceIdentifier<? extends DataObject> id,
-                                                       @Nonnull final ReadContext ctx)
-            throws ReadFailedException {
-        LOG.debug("{}: Reading subtree: {}", this, id);
-        final Class<? extends DataObject> next = RWUtils.getNextId(id, getManagedDataObjectType()).getType();
-        final ChildReader<? extends ChildOf<D>> reader = childReaders.get(next);
-        final ChildReader<? extends Augmentation<D>> augReader = augReaders.get(next);
-
-        if (reader != null) {
-            LOG.debug("{}: Reading subtree: {} from: {}", this, id, reader);
-            return reader.read(id, ctx);
-        }if (augReader != null) {
-            LOG.debug("{}: Reading subtree: {} from: {}", this, id, augReader);
-            return augReader.read(id, ctx);
-        } else {
-            LOG.debug("{}: Dedicated subtree reader missing for: {}. Reading current and filtering", this, next);
-            // If there's no dedicated reader, use read current
-            final InstanceIdentifier<D> currentId = RWUtils.cutId(id, getManagedDataObjectType());
-            final Optional<D> current = readCurrent(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;
-        }
-    }
-
-    /**
-     * Fill in current node's attributes
-     *
-     * @param id {@link InstanceIdentifier} pointing to current node. In case of keyed list, key must be present.
-     * @param builder Builder object for current node where the read attributes must be placed
-     * @param ctx Current read context
-     */
-    protected abstract void readCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final B builder,
-                                                  @Nonnull final ReadContext ctx) throws ReadFailedException;
-
-    /**
-     * Return new instance of a builder object for current node
-     *
-     * @param id {@link InstanceIdentifier} pointing to current node. In case of keyed list, key must be present.
-     * @return Builder object for current node type
-     */
-    protected abstract B getBuilder(InstanceIdentifier<D> id);
-
-    // TODO move filtering out of here into a dedicated Filter ifc
-    @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) {
-        // TODO is there a better way than reflection ? e.g. convert into NN and filter out with a utility
-        Optional<Method> method = ReflectionUtils.findMethodReflex(managedType, "get",
-                Collections.<Class<?>>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.<Class<?>>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();
-        return Iterables.tryFind(invoke, new Predicate<DataObject>() {
-            @Override
-            public boolean apply(@Nullable final DataObject input) {
-                final Optional<Method> keyGetter =
-                    ReflectionUtils.findMethodReflex(nextId.getType(), "get",
-                        Collections.<Class<?>>emptyList(), key.getClass());
-                final Object actualKey;
-                actualKey = invoke(keyGetter.get(), nextId, input);
-                return key.equals(actualKey);
-            }
-        });
-    }
-
-    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
-    public String toString() {
-        return String.format("Reader[%s]", getManagedDataObjectType().getTargetType().getSimpleName());
-    }
-}