/** | |
* <copyright> | |
* | |
* Copyright (c) 2009-2010 Thales Corporate Services S.A.S. | |
* 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: | |
* Thales Corporate Services S.A.S - initial API and implementation | |
* | |
* </copyright> | |
*/ | |
package org.eclipse.egf.usecase.fc.uc1; | |
import org.eclipse.core.runtime.IProgressMonitor; | |
import org.eclipse.egf.core.producer.InvocationException; | |
import org.eclipse.egf.ftask.producer.context.ITaskProductionContext; | |
import org.eclipse.egf.ftask.producer.invocation.ITaskProduction; | |
/** | |
* @author Benoit Langlois | |
* | |
*/ | |
public class PricerComputation implements ITaskProduction { | |
private static final String PRICE_PARAMETER = "price"; //$NON-NLS-1$ | |
private static final String QUANTITY_PARAMETER = "quantity"; //$NON-NLS-1$ | |
private static final String AMOUNT_PARAMETER = "amount"; //$NON-NLS-1$ | |
private Integer quantity; | |
private Float price; | |
private Float amount; | |
public void preExecute(ITaskProductionContext taskProductionContext, IProgressMonitor monitor) throws InvocationException { | |
quantity = taskProductionContext.getInputValue(QUANTITY_PARAMETER, Integer.class); | |
price = taskProductionContext.getInputValue(PRICE_PARAMETER, Float.class); | |
} | |
public void doExecute(ITaskProductionContext taskProductionContext, IProgressMonitor monitor) throws InvocationException { | |
amount = quantity * price; | |
} | |
public void postExecute(ITaskProductionContext taskProductionContext, IProgressMonitor monitor) throws InvocationException { | |
taskProductionContext.setOutputValue(AMOUNT_PARAMETER, amount); | |
} | |
} |