/*******************************************************************************
* Copyright (c) 2010, 2015 Willink Transformations 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:
* C.Damus - Initial API and implementation
*******************************************************************************/
package org.eclipse.ocl.pivot.internal.delegate;
import java.util.Collection;
import org.eclipse.emf.common.util.BasicEList;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.ocl.pivot.utilities.OCL;
import org.eclipse.ocl.pivot.values.Value;
/**
* An object that converts values according to their declared multiplicities,
* as collections or not.
*/
interface ValueConverter {
ValueConverter VERBATIM = new ValueConverter() {
@Override
public @NonNull Object convert(@NonNull OCL ocl, @NonNull Value value) {
return value;
}
};
ValueConverter LIST = new ValueConverter() {
@Override
public @NonNull Object convert(@NonNull OCL ocl, @NonNull Value value) {
Collection<?> collection = (Collection<?>) value;
return new BasicEList.UnmodifiableEList<Object>(collection
.size(), collection.toArray());
}
};
@NonNull Object convert(@NonNull OCL ocl, @NonNull Value value);
}