/**
* Copyright 2011 meltmedia
*
* 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.xchain.framework.strategy;
/**
* Interface for loading strategies. A loading strategy is responsible for invoking the consumer with the given
* source strategy and creating the final object.
*
* @param <T> The type of object to be loaded.
* @param <S> The source class to be loaded from.
*
* @author Devon Tackett
* @author Christian Trimble
*/
public interface LoadStrategy<T, S> {
/**
* Load the object identified by the given systemId.
*
* @param systemId The identifier for the object to be loaded.
* @param sourceStrategy The strategy for getting the source for the object.
* @param consumerStrategy The strategy for turning the source into a proper object.
*
* @return The specified object.
*/
public T getObject(String systemId, SourceStrategy<S> sourceStrategy, ConsumerStrategy<T, S> consumerStrategy) throws Exception;
}