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JPMML class model evaluator
There is a newer version: 1.6.11
/*
 * Copyright (c) 2013 KNIME.com AG, Zurich, Switzerland
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.jpmml.evaluator;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;

import com.google.common.cache.Cache;
import com.google.common.cache.LoadingCache;
import com.google.common.util.concurrent.UncheckedExecutionException;
import org.dmg.pmml.PMMLObject;

public class CacheUtil {

	private CacheUtil(){
	}

	static
	public  V getValue(K key, LoadingCache cache){

		try {
			return cache.get(key);
		} catch(ExecutionException ee){
			throw new InvalidFeatureException(key);
		} catch(UncheckedExecutionException uee){
			Throwable cause = uee.getCause();

			if(cause instanceof PMMLException){
				throw (PMMLException)cause;
			}

			throw new InvalidFeatureException(key);
		}
	}

	static
	public  V getValue(K key, Callable loader, Cache cache){

		try {
			return cache.get(key, loader);
		} catch(ExecutionException ee){
			throw new InvalidFeatureException(key);
		} catch(UncheckedExecutionException uee){
			Throwable cause = uee.getCause();

			if(cause instanceof PMMLException){
				throw (PMMLException)cause;
			}

			throw new InvalidFeatureException(key);
		}
	}
}