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/*
* Copyright 2006-2012 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.layout;
import com.amazon.carbonado.FetchException;
import com.amazon.carbonado.FetchNoneException;
import com.amazon.carbonado.PersistException;
import com.amazon.carbonado.Storable;
import com.amazon.carbonado.capability.Capability;
/**
* Capability to get layout information on any storable generation.
*
* @author Brian S O'Neill
*/
public interface LayoutCapability extends Capability {
/**
* Returns the layout matching the current definition of the given type.
*
* @throws PersistException if type represents a new generation, but
* persisting this information failed
*/
public Layout layoutFor(Class<? extends Storable> type)
throws FetchException, PersistException;
/**
* Returns the layout for a particular generation of the given type.
*
* @param generation desired generation
* @throws FetchNoneException if generation not found
*/
public Layout layoutFor(Class<? extends Storable> type, int generation)
throws FetchException, FetchNoneException;
}
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