diff options
Diffstat (limited to 'v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/AbstractGenericReader.java')
-rw-r--r-- | v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/AbstractGenericReader.java | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/AbstractGenericReader.java b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/AbstractGenericReader.java deleted file mode 100644 index 9bfbc2450..000000000 --- a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/read/AbstractGenericReader.java +++ /dev/null @@ -1,90 +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.util.read; - -import static com.google.common.base.Preconditions.checkArgument; - -import com.google.common.annotations.Beta; -import com.google.common.base.Optional; -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 io.fd.honeycomb.v3po.translate.util.RWUtils; -import javax.annotation.Nonnull; -import org.opendaylight.yangtools.concepts.Builder; -import org.opendaylight.yangtools.yang.binding.DataObject; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -@Beta -public abstract class AbstractGenericReader<D extends DataObject, B extends Builder<D>> implements Reader<D, B> { - - private static final Logger LOG = LoggerFactory.getLogger(AbstractGenericReader.class); - - private final InstanceIdentifier<D> instanceIdentifier; - - protected AbstractGenericReader(final InstanceIdentifier<D> managedDataObjectType) { - this.instanceIdentifier = RWUtils.makeIidWildcarded(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(@Nonnull 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(); - - LOG.trace("{}: Reading current attributes", this); - readCurrentAttributes(id, builder, ctx); - - // 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.absent() - : Optional.of(built); - - LOG.debug("{}: Current node read successfully. Result: {}", this, read); - return read; - } - - @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); - checkArgument(id.getTargetType().equals(getManagedDataObjectType().getTargetType())); - return readCurrent((InstanceIdentifier<D>) id, ctx); - } - - @Override - public String toString() { - return String.format("Reader[%s]", getManagedDataObjectType().getTargetType().getSimpleName()); - } -} |