| /******************************************************************************* |
| * Copyright (c) 2015 École Polytechnique de Montréal |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.analysis.graph.core.building; |
| |
| import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
| |
| /** |
| * Interface that event handlers must implement. Event handlers are independent |
| * actions that need to be performed for an analysis phase |
| * |
| * @author Francis Giraldeau |
| * @author Geneviève Bastien |
| */ |
| public interface ITraceEventHandler { |
| |
| /** |
| * Handles an event |
| * |
| * @param event |
| * The event to handle |
| */ |
| void handleEvent(ITmfEvent event); |
| |
| /** |
| * Indicate if this handler is cancelled |
| * |
| * @return true if this handler is cancelled |
| */ |
| boolean isCancelled(); |
| |
| /** |
| * Cancels this event handler |
| */ |
| void cancel(); |
| |
| /** |
| * Get a priority level associated with this handler. The lower the number, the |
| * higher the priority. |
| * |
| * @return The priority level associated with this handler |
| * @since 1.2 |
| */ |
| default int getPriority() { |
| return 10; |
| } |
| |
| } |