net.projectmonkey.object.mapper.analysis.duplicates.SimpleDuplicatesBehaviour Maven / Gradle / Ivy

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Object mapping implementation written as an alternative to modelmapper which is able to support inheritance, handles flattening / expanding in a precise way, and is extensible / configurable

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package net.projectmonkey.object.mapper.analysis.duplicates;

/*
 *
 *  * Copyright 2012 the original author or authors.
 *  *
 *  * 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.
 *
 */

import net.projectmonkey.object.mapper.analysis.result.PropertyPath;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

/**
 * Duplicate behaviour which allows all destinations for a given source to be populated
 * and always returns the first matching source for a given destination.
 * @author Andy Moody
 */
public final class SimpleDuplicatesBehaviour implements DuplicateMappingBehaviour
{

	public static final SimpleDuplicatesBehaviour INSTANCE = new SimpleDuplicatesBehaviour();

	private SimpleDuplicatesBehaviour(){}

	@Override
	public  List filterDestinationsBySource(final T sourcePath, final Collection matchingDestinations)
	{
		List toReturn = new ArrayList();
		for(PropertyPathAndTokens pathAndTokens : matchingDestinations)
		{
			toReturn.add(pathAndTokens.getPath());
		}
		return toReturn;
	}

	@Override
	public  PropertyPath filterSourcesByDestination(final T destinationPath, final Collection matchingSources)
	{
		return matchingSources.iterator().next().getPath();
	}
}