diff options
Diffstat (limited to 'v3po/vpp-facade-impl/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/CompositeChildVppReader.java')
-rw-r--r-- | v3po/vpp-facade-impl/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/CompositeChildVppReader.java | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/v3po/vpp-facade-impl/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/CompositeChildVppReader.java b/v3po/vpp-facade-impl/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/CompositeChildVppReader.java new file mode 100644 index 000000000..76e793dbe --- /dev/null +++ b/v3po/vpp-facade-impl/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/CompositeChildVppReader.java @@ -0,0 +1,104 @@ +/* + * 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.vpp.facade.impl.read; + +import com.google.common.annotations.Beta; +import com.google.common.base.Optional; +import io.fd.honeycomb.v3po.vpp.facade.impl.util.VppRWUtils; +import io.fd.honeycomb.v3po.vpp.facade.read.ChildVppReader; +import io.fd.honeycomb.v3po.vpp.facade.read.ReadContext; +import io.fd.honeycomb.v3po.vpp.facade.read.ReadFailedException; +import io.fd.honeycomb.v3po.vpp.facade.spi.read.ChildVppReaderCustomizer; +import java.util.List; +import javax.annotation.Nonnull; +import javax.annotation.concurrent.ThreadSafe; +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.InstanceIdentifier; + +/** + * Composite implementation of {@link ChildVppReader} able to place the read result into + * parent builder object. + */ +@Beta +@ThreadSafe +public final class CompositeChildVppReader<C extends DataObject, B extends Builder<C>> extends AbstractCompositeVppReader<C, B> + implements ChildVppReader<C> { + + private final ChildVppReaderCustomizer<C, B> customizer; + + /** + * Create new {@link CompositeChildVppReader} + * + * @param managedDataObjectType Class object for managed data type + * @param childReaders Child nodes(container, list) readers + * @param augReaders Child augmentations readers + * @param customizer Customizer instance to customize this generic reader + * + */ + public CompositeChildVppReader(@Nonnull final Class<C> managedDataObjectType, + @Nonnull final List<ChildVppReader<? extends ChildOf<C>>> childReaders, + @Nonnull final List<ChildVppReader<? extends Augmentation<C>>> augReaders, + @Nonnull final ChildVppReaderCustomizer<C, B> customizer) { + super(managedDataObjectType, childReaders, augReaders); + this.customizer = customizer; + } + + /** + * @see {@link CompositeChildVppReader#CompositeChildVppReader(Class, List, List, ChildVppReaderCustomizer)} + */ + public CompositeChildVppReader(@Nonnull final Class<C> managedDataObjectType, + @Nonnull final List<ChildVppReader<? extends ChildOf<C>>> childReaders, + @Nonnull final ChildVppReaderCustomizer<C, B> customizer) { + this(managedDataObjectType, childReaders, VppRWUtils.<C>emptyAugReaderList(), customizer); + } + + /** + * @see {@link CompositeChildVppReader#CompositeChildVppReader(Class, List, List, ChildVppReaderCustomizer)} + */ + public CompositeChildVppReader(@Nonnull final Class<C> managedDataObjectType, + @Nonnull final ChildVppReaderCustomizer<C, B> customizer) { + this(managedDataObjectType, VppRWUtils.<C>emptyChildReaderList(), VppRWUtils.<C>emptyAugReaderList(), + customizer); + } + + @Override + public final void read(@Nonnull final InstanceIdentifier<? extends DataObject> parentId, + @Nonnull final Builder<? extends DataObject> parentBuilder, + @Nonnull final ReadContext ctx) throws ReadFailedException { + final Optional<C> read = readCurrent(VppRWUtils.appendTypeToId(parentId, getManagedDataObjectType()), ctx); + + if(read.isPresent()) { + customizer.merge(parentBuilder, read.get()); + } + } + + @Override + protected void readCurrentAttributes(@Nonnull final InstanceIdentifier<C> id, @Nonnull final B builder, + @Nonnull final ReadContext ctx) + throws ReadFailedException { + customizer.readCurrentAttributes(id, builder, ctx.getContext()); + } + + @Override + protected B getBuilder(@Nonnull final InstanceIdentifier<C> id) { + return customizer.getBuilder(id); + } + +} |