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/*
* 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.impl.data;
import com.google.common.base.Optional;
import com.google.common.collect.Multimap;
import io.fd.honeycomb.v3po.vpp.facade.impl.read.CompositeChildVppReader;
import io.fd.honeycomb.v3po.vpp.facade.impl.read.CompositeListVppReader;
import io.fd.honeycomb.v3po.vpp.facade.impl.read.CompositeRootVppReader;
import io.fd.honeycomb.v3po.vpp.facade.impl.read.util.DelegatingReaderRegistry;
import io.fd.honeycomb.v3po.vpp.facade.impl.read.util.ReflexiveChildReaderCustomizer;
import io.fd.honeycomb.v3po.vpp.facade.impl.read.util.ReflexiveRootReaderCustomizer;
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.read.ReaderRegistry;
import io.fd.honeycomb.v3po.vpp.facade.read.VppReader;
import io.fd.honeycomb.v3po.vpp.facade.v3po.vppstate.BridgeDomainCustomizer;
import io.fd.honeycomb.v3po.vpp.facade.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 VppReaderRegistry implements ReaderRegistry {
private static VppReaderRegistry instance;
private final DelegatingReaderRegistry reader;
private VppReaderRegistry(@Nonnull final vppApi vppApi) {
final CompositeRootVppReader<VppState, VppStateBuilder> vppStateReader = initVppStateReader(vppApi);
// TODO add more root readers
reader = new DelegatingReaderRegistry(Collections.<VppReader<? extends DataObject>>singletonList(vppStateReader));
}
private static CompositeRootVppReader<VppState, VppStateBuilder> initVppStateReader(@Nonnull final vppApi vppApi) {
final ChildVppReader<Version> versionReader = new CompositeChildVppReader<>(
Version.class, new VersionCustomizer(vppApi));
final CompositeListVppReader<BridgeDomain, BridgeDomainKey, BridgeDomainBuilder>
bridgeDomainReader = new CompositeListVppReader<>(
BridgeDomain.class,
new BridgeDomainCustomizer(vppApi));
final ChildVppReader<BridgeDomains> bridgeDomainsReader = new CompositeChildVppReader<>(
BridgeDomains.class,
VppRWUtils.singletonChildReaderList(bridgeDomainReader),
new ReflexiveChildReaderCustomizer<>(BridgeDomainsBuilder.class));
final List<ChildVppReader<? extends ChildOf<VppState>>> childVppReaders = new ArrayList<>();
childVppReaders.add(versionReader);
childVppReaders.add(bridgeDomainsReader);
return new CompositeRootVppReader<>(
VppState.class,
childVppReaders,
VppRWUtils.<VppState>emptyAugReaderList(),
new ReflexiveRootReaderCustomizer<>(VppStateBuilder.class));
}
public static synchronized VppReaderRegistry getInstance(@Nonnull final vppApi vppApi) {
if (instance == null) {
instance = new VppReaderRegistry(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();
}
}
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