FeaturePathSegment.java

/*******************************************************************************
 * Copyright (c) 2014 BestSolution.at and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Christoph Caks <ccaks@bestsolution.at> - initial API and implementation
 *******************************************************************************/
package at.bestsolution.emf.navi;

import org.eclipse.emf.ecore.EStructuralFeature;

public class FeaturePathSegment {

	public final EStructuralFeature feature;

	public final Condition condition;

	public FeaturePathSegment(EStructuralFeature feature, Condition condition) {
		this.feature = feature;
		this.condition = condition;

		if (this.feature.isMany()) {
			if (condition == null) {
				// TODO we may need to throw this out to support fetching whole lists
				throw new IllegalArgumentException("many feature needs a condition");
			}
		}
	}

	public FeaturePathSegment(EStructuralFeature feature) {
		this(feature, null);
	}

}