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/*
* Copyright 2006-2010 Amazon Technologies, Inc. or its affiliates.
* Amazon, Amazon.com and Carbonado are trademarks or registered trademarks
* of Amazon Technologies, Inc. or its affiliates. All rights reserved.
*
* 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 com.amazon.carbonado;
import java.lang.annotation.*;
/**
* An Index annotation provides a hint to the storage layer allowing {@link
* Query queries} to be performed more quickly. Indexes are contained by an
* {@link Indexes} annotation.
*
* @author Brian S O'Neill
* @see Indexes
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({})
public @interface Index {
/**
* A list of property names, which may be prefixed with '+' or '-' to
* indicate a preference for ascending or descending order.
*/
String[] value();
}
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