DependencyConstraint.java

/**
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 * 
 * This file is part of REDHAWK IDE.
 * 
 * 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.
 *
 */
package gov.redhawk.spd.internal.validation;

import mil.jpeojtrs.sca.spd.Implementation;
import mil.jpeojtrs.sca.spd.SoftPkg;
import mil.jpeojtrs.sca.validator.EnhancedConstraintStatus;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.validation.AbstractModelConstraint;
import org.eclipse.emf.validation.IValidationContext;
import org.eclipse.emf.validation.model.ConstraintStatus;

public class DependencyConstraint extends AbstractModelConstraint {

	public static final String ID = "gov.redhawk.validation.constraint.spd.dependency";

	@Override
	public IStatus validate(final IValidationContext ctx) {
		final EObject target = ctx.getTarget();
		if (target instanceof Implementation) {
			final Implementation impl = (Implementation) target;
			if (impl.getOs().isEmpty() && impl.getProcessor().isEmpty() && impl.getDependency().isEmpty()) {
				String retVal = null;
				if (impl.eContainer() instanceof SoftPkg) {
					retVal = impl.getId();
				}
				return new EnhancedConstraintStatus((ConstraintStatus) ctx.createFailureStatus(retVal), null);
			}
		}
		return ctx.createSuccessStatus();
	}
}