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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.capability;

import com.amazon.carbonado.RepositoryException;
import com.amazon.carbonado.Storable;

/**
 * Capability for getting information about physical indexes for storables.
 *
 * @author Brian S O'Neill
 */
public interface IndexInfoCapability extends Capability {
    /**
     * Returns information about the known indexes for the given storable
     * type. The array might be empty, but it is never null. The array is a
     * copy, and so it may be safely modified.
     */
    <S extends Storable> IndexInfo[] getIndexInfo(Class<S> storableType)
        throws RepositoryException;
}