| /** |
| * <copyright> |
| * |
| * Copyright (c) 2009-2010 Thales Corporate Services S.A.S. |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-v2.0 |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Thales Corporate Services S.A.S - initial API and implementation |
| * |
| * </copyright> |
| */ |
| package org.eclipse.egf.pattern.ftask.tasks; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| 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.model.pattern.PatternContext; |
| import org.eclipse.egf.model.pattern.PatternElement; |
| import org.eclipse.egf.model.pattern.PatternException; |
| import org.eclipse.egf.model.pattern.PatternExecutionReporter; |
| import org.eclipse.egf.model.pattern.TypePatternList; |
| import org.eclipse.egf.pattern.execution.ConsoleReporter; |
| import org.eclipse.egf.pattern.extension.ExtensionHelper.MissingExtensionException; |
| import org.eclipse.egf.pattern.ftask.Messages; |
| import org.eclipse.egf.pattern.strategy.Strategy; |
| |
| /** |
| * @author Thomas Guiu |
| */ |
| public abstract class AbstractStrategyTask extends AbstractPatternTask { |
| |
| private final Strategy strategy; |
| |
| protected Object parameter; |
| |
| protected final List<PatternElement> patterns = new ArrayList<PatternElement>(); |
| |
| protected AbstractStrategyTask(Strategy strategy) { |
| this.strategy = strategy; |
| } |
| |
| @Override |
| protected void readContext(final ITaskProductionContext context, PatternContext ctx) throws InvocationException { |
| super.readContext(context, ctx); |
| PatternExecutionReporter reporter = (PatternExecutionReporter) ctx.getValue(PatternContext.PATTERN_REPORTER); |
| if (reporter == null) |
| reporter = new ConsoleReporter(); |
| ctx.setValue(PatternContext.PATTERN_REPORTER, reporter); |
| } |
| |
| @Override |
| public void preExecute(final ITaskProductionContext context, final IProgressMonitor monitor) throws InvocationException { |
| TypePatternList patternList = context.getInputValue(PatternContext.PATTERN_IDS_PARAMETER, TypePatternList.class); |
| if (patternList != null) |
| patterns.addAll(patternList.getElements()); |
| } |
| |
| @Override |
| public final void doExecute(final ITaskProductionContext context, final IProgressMonitor monitor) throws InvocationException { |
| if (parameter == null) |
| throw new InvocationException(Messages.taskInvocation_error1); |
| if (patterns.isEmpty()) |
| // Activator.getDefault().logWarning(Messages.taskInvocation_error3); |
| throw new InvocationException(Messages.taskInvocation_error3); |
| |
| try { |
| PatternContext ctx = createPatternContext(context); |
| readContext(context, ctx); |
| strategy.setPatternElements(patterns); |
| strategy.execute(ctx, parameter); |
| writeContext(context, ctx); |
| } catch (MissingExtensionException e) { |
| throw new InvocationException(e); |
| } catch (PatternException e) { |
| throw new InvocationException(e); |
| } |
| } |
| |
| @Override |
| public void postExecute(final ITaskProductionContext context, final IProgressMonitor monitor) throws InvocationException { |
| super.postExecute(context, monitor); |
| parameter = null; |
| } |
| |
| } |