/*******************************************************************************
* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is 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.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
* MCT Licenses dialog available at runtime from the MCT Help menu for additional
* information.
*******************************************************************************/
package gov.nasa.arc.mct.evaluator.view;
import java.util.Collection;
import gov.nasa.arc.mct.components.AbstractComponent;
import gov.nasa.arc.mct.components.FeedProvider;
import gov.nasa.arc.mct.evaluator.component.MultiComponent;
//import gov.nasa.arc.mct.gui.OptionBox;
import gov.nasa.arc.mct.policy.ExecutionResult;
import gov.nasa.arc.mct.policy.Policy;
import gov.nasa.arc.mct.policy.PolicyContext;
/** Policy to restrict association of components to a multi-input evaluator to only
* those that have Feed provider capabilities
* @author dcberrio
*
*/
public class MultiCompositionPolicy implements Policy {
/* (non-Javadoc)
* @see gov.nasa.arc.mct.policy.Policy#execute(gov.nasa.arc.mct.policy.PolicyContext)
*/
@Override
public ExecutionResult execute(PolicyContext context) {
AbstractComponent multi = context.getProperty(PolicyContext.PropertyName.TARGET_COMPONENT.getName(), AbstractComponent.class);
@SuppressWarnings("unchecked")
Collection<AbstractComponent> sources = context.getProperty(PolicyContext.PropertyName.SOURCE_COMPONENTS.getName(), Collection.class);
if (multi.getCapability(MultiComponent.class) != null) {
if (sources != null) {
for (AbstractComponent ac : sources) {
if (ac.getCapability(FeedProvider.class) == null) {
// OptionBox.showMessageDialog(
// null,
// "Only objects that provide data can be added\nto a new multi",
// "Error",
// OptionBox.ERROR_MESSAGE);
return new ExecutionResult(context, false, "Only objects that provide data can be added to a multi");
}
}
}
}
return new ExecutionResult(context, true, "");
}
}