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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.data;
import com.google.common.annotations.Beta;
import com.google.common.util.concurrent.FluentFuture;
import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
/**
* Facade over data tree that allows reading tree nodes.
*/
@Beta
@FunctionalInterface
public interface ReadableDataManager {
/**
* Reads a particular node from the data tree.
*
* @param path Path of the node
* @return a CheckFuture containing the result of the read.
*/
FluentFuture<Optional<NormalizedNode<?, ?>>> read(@Nonnull final YangInstanceIdentifier path);
}
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