BasicRetrievalResult.java

/*******************************************************************************
 * Copyright 2012 Geoscience Australia
 * 
 * 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 au.gov.ga.earthsci.core.retrieve.result;

import au.gov.ga.earthsci.core.retrieve.IRetrievalData;
import au.gov.ga.earthsci.core.retrieve.IRetrievalResult;

/**
 * An {@link IRetrievalResult} representing a successful retrieval.
 * 
 * @author Michael de Hoog (michael.dehoog@ga.gov.au)
 */
public class BasicRetrievalResult implements IRetrievalResult
{
	private final IRetrievalData data;
	private final boolean fromCache;

	/**
	 * Create a new result.
	 * 
	 * @param data
	 *            Retrieved remote resource data
	 * @param fromCache
	 *            True if the data is from a cache
	 */
	public BasicRetrievalResult(IRetrievalData data, boolean fromCache)
	{
		this.data = data;
		this.fromCache = fromCache;
	}

	@Override
	public boolean isSuccessful()
	{
		return true;
	}

	@Override
	public Exception getError()
	{
		return null;
	}

	@Override
	public boolean isFromCache()
	{
		return fromCache;
	}

	@Override
	public IRetrievalData getData()
	{
		return data;
	}
}