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/*
* Copyright 2014 Open Networking Laboratory
*
* 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 org.onosproject.net;
import static com.google.common.base.Preconditions.checkArgument;
/**
* Base implementation of an annotated model description.
*/
public abstract class AbstractDescription implements Annotated {
private static final SparseAnnotations EMPTY = DefaultAnnotations.builder().build();
private final SparseAnnotations annotations;
// For serialization
protected AbstractDescription() {
this.annotations = null;
}
/**
* Creates a new entity, annotated with the specified annotations.
*
* @param annotations optional key/value annotations map
*/
protected AbstractDescription(SparseAnnotations... annotations) {
checkArgument(annotations.length <= 1, "Only one set of annotations is expected");
this.annotations = annotations.length == 1 ? annotations[0] : EMPTY;
}
@Override
public SparseAnnotations annotations() {
return annotations;
}
}
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