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/*
* Copyright (c) 2017 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.test.tools;
import org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import javax.annotation.Nonnull;
import java.util.LinkedList;
import java.util.List;
import java.util.stream.Collectors;
import static com.google.common.base.Preconditions.checkState;
/**
* Process yang data from json to BA Objects
*/
final class YangDataProcessorRegistry {
private final List<YangDataProcessor> processors;
private YangDataProcessorRegistry(@Nonnull final SchemaContext context,
@Nonnull final BindingToNormalizedNodeCodec codec) {
// linked should be faster for iteration
processors = new LinkedList<>();
processors.add(new ListNodeDataProcessor(context, codec));
processors.add(new ContainerNodeDataProcessor(context, codec));
}
static YangDataProcessorRegistry create(@Nonnull final SchemaContext context,
@Nonnull final BindingToNormalizedNodeCodec codec) {
return new YangDataProcessorRegistry(context, codec);
}
@Nonnull
DataObject getNodeData(@Nonnull final YangInstanceIdentifier yangInstanceIdentifier,
@Nonnull final String resourcePath) {
return pickProcessor(yangInstanceIdentifier).getNodeData(yangInstanceIdentifier, resourcePath);
}
private YangDataProcessor pickProcessor(final YangInstanceIdentifier yangInstanceIdentifier) {
final List<YangDataProcessor> eligibleProcessors = processors.stream()
.filter(processors -> processors.canProcess(yangInstanceIdentifier))
.collect(Collectors.toList());
// canProcess should be exclusive for node type, but just in case
checkState(eligibleProcessors.size() == 1,
"No single eligible processor found, matches=[%s]", eligibleProcessors);
return eligibleProcessors.get(0);
}
}
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