| /******************************************************************************* |
| * Copyright (c) 2017 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.internal.tmf.chart.ui.consumer; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.internal.provisional.tmf.chart.core.resolver.IStringResolver; |
| import org.eclipse.tracecompass.internal.tmf.chart.core.consumer.IDataConsumer; |
| |
| /** |
| * This class processes string values in order to create valid data for a bar |
| * chart. It takes a {@link IStringResolver} for mapping values. |
| * <p> |
| * Since a bar chart cannot have multiples Y values of the same series in the |
| * same X value, we simply create a list of all the strings. Thus, the X values |
| * might have duplicate names. |
| * |
| * @author Gabriel-Andrew Pollo-Guilbert |
| */ |
| public class BarStringConsumer implements IDataConsumer { |
| |
| // ------------------------------------------------------------------------ |
| // Members |
| // ------------------------------------------------------------------------ |
| |
| private final IStringResolver<Object> fResolver; |
| private final List<@Nullable String> fList = new ArrayList<>(); |
| |
| // ------------------------------------------------------------------------ |
| // Constructors |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Constructor. |
| * |
| * @param resolver |
| * The consumer that consumes values |
| */ |
| public BarStringConsumer(IStringResolver<Object> resolver) { |
| fResolver = resolver; |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Overriden methods |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public boolean test(Object obj) { |
| return true; |
| } |
| |
| @Override |
| public void accept(Object obj) { |
| String str = fResolver.getMapper().apply(obj); |
| fList.add(str); |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Accessors |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Accessor that return the list of string created by the consumer. |
| * |
| * @return The list of string |
| */ |
| public Collection<@Nullable String> getList() { |
| // Cannot use ImmutableList.copyOf since the elements can be null |
| return new ArrayList<>(fList); |
| } |
| |
| } |