/*
* Encog(tm) Core v2.5 - Java Version
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2010 Heaton Research, Inc.
*
* 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.neural.data.market.loader;
import java.util.Collection;
import java.util.Date;
import java.util.Set;
import org.encog.neural.data.market.MarketDataType;
import org.encog.neural.data.market.TickerSymbol;
/**
* This interface defines a class that can be used to load external financial
* data.
*
* @author jheaton
*
*/
public interface MarketLoader {
/**
* Load the specified ticker symbol for the specified date.
*
* @param ticker
* The ticker symbol to load.
* @param dataNeeded
* Which data is actually needed.
* @param from
* Beginning date for load.
* @param to
* Ending date for load.
* @return A collection of LoadedMarketData objects that was loaded.
*/
Collection<LoadedMarketData> load(TickerSymbol ticker,
Set<MarketDataType> dataNeeded, Date from, Date to);
}