diff options
Diffstat (limited to 'v3po/config/src/main/java/io/fd/honeycomb/v3po/config/ReaderRegistry.java')
-rw-r--r-- | v3po/config/src/main/java/io/fd/honeycomb/v3po/config/ReaderRegistry.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/ReaderRegistry.java b/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/ReaderRegistry.java new file mode 100644 index 000000000..7ab2dd430 --- /dev/null +++ b/v3po/config/src/main/java/io/fd/honeycomb/v3po/config/ReaderRegistry.java @@ -0,0 +1,116 @@ +/* + * 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.config; + +import com.google.common.base.Optional; +import com.google.common.collect.Multimap; +import io.fd.honeycomb.v3po.translate.impl.read.CompositeChildReader; +import io.fd.honeycomb.v3po.translate.impl.read.CompositeListReader; +import io.fd.honeycomb.v3po.translate.impl.read.CompositeRootReader; +import io.fd.honeycomb.v3po.translate.util.read.DelegatingReaderRegistry; +import io.fd.honeycomb.v3po.translate.util.read.ReflexiveChildReaderCustomizer; +import io.fd.honeycomb.v3po.translate.util.read.ReflexiveRootReaderCustomizer; +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 io.fd.honeycomb.v3po.translate.v3po.vppstate.BridgeDomainCustomizer; +import io.fd.honeycomb.v3po.translate.v3po.vppstate.VersionCustomizer; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppState; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppStateBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.BridgeDomains; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.BridgeDomainsBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.Version; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomain; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomainBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomainKey; +import org.opendaylight.yangtools.yang.binding.ChildOf; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.openvpp.vppjapi.vppApi; + +// TODO use some DI framework instead of singleton +public class ReaderRegistry implements io.fd.honeycomb.v3po.translate.read.ReaderRegistry { + + private static ReaderRegistry instance; + + private final DelegatingReaderRegistry reader; + + private ReaderRegistry(@Nonnull final vppApi vppApi) { + final CompositeRootReader<VppState, VppStateBuilder> vppStateReader = initVppStateReader(vppApi); + // TODO add more root readers + reader = new DelegatingReaderRegistry(Collections.<Reader<? extends DataObject>>singletonList(vppStateReader)); + } + + private static CompositeRootReader<VppState, VppStateBuilder> initVppStateReader(@Nonnull final vppApi vppApi) { + + final ChildReader<Version> versionReader = new CompositeChildReader<>( + Version.class, new VersionCustomizer(vppApi)); + + final CompositeListReader<BridgeDomain, BridgeDomainKey, BridgeDomainBuilder> + bridgeDomainReader = new CompositeListReader<>( + BridgeDomain.class, + new BridgeDomainCustomizer(vppApi)); + + final ChildReader<BridgeDomains> bridgeDomainsReader = new CompositeChildReader<>( + BridgeDomains.class, + RWUtils.singletonChildReaderList(bridgeDomainReader), + new ReflexiveChildReaderCustomizer<>(BridgeDomainsBuilder.class)); + + final List<ChildReader<? extends ChildOf<VppState>>> childVppReaders = new ArrayList<>(); + childVppReaders.add(versionReader); + childVppReaders.add(bridgeDomainsReader); + + return new CompositeRootReader<>( + VppState.class, + childVppReaders, + RWUtils.<VppState>emptyAugReaderList(), + new ReflexiveRootReaderCustomizer<>(VppStateBuilder.class)); + } + + public static synchronized ReaderRegistry getInstance(@Nonnull final vppApi vppApi) { + if (instance == null) { + instance = new ReaderRegistry(vppApi); + } + return instance; + } + + @Nonnull + @Override + public Multimap<InstanceIdentifier<? extends DataObject>, ? extends DataObject> readAll( + @Nonnull final ReadContext ctx) throws ReadFailedException { + return reader.readAll(ctx); + } + + @Nonnull + @Override + public Optional<? extends DataObject> read(@Nonnull final InstanceIdentifier<? extends DataObject> id, + @Nonnull final ReadContext ctx) throws ReadFailedException { + return reader.read(id, ctx); + } + + @Nonnull + @Override + public InstanceIdentifier<DataObject> getManagedDataObjectType() { + return reader.getManagedDataObjectType(); + } +} |