gov.redhawk.ui.views.internal.monitor.handler.RefreshHandler.java Source code

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Here is the source code for gov.redhawk.ui.views.internal.monitor.handler.RefreshHandler.java

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/** 
 * 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.ui.views.internal.monitor.handler;

import gov.redhawk.ui.views.monitor.model.ports.Monitor;
import gov.redhawk.ui.views.monitor.model.ports.PortConnectionMonitor;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;

public class RefreshHandler extends AbstractHandler {

    @Override
    public Object execute(final ExecutionEvent event) throws ExecutionException {
        final ISelection selection = HandlerUtil.getCurrentSelection(event);
        if (selection instanceof IStructuredSelection) {
            final IStructuredSelection ss = (IStructuredSelection) selection;
            for (final Object obj : ss.toList()) {
                if (obj instanceof Monitor) {
                    refresh((Monitor) obj);
                } else if (obj instanceof PortConnectionMonitor) {
                    PortConnectionMonitor child = (PortConnectionMonitor) obj;
                    EObject container = child.eContainer();
                    if (container instanceof Monitor) {
                        refresh((Monitor) container);
                    }
                }
            }
        }
        return null;
    }

    private void refresh(final Monitor monitor) {
        monitor.fetchStats();
    }

}