| /********************************************************************** |
| * Copyright (c) 2017, 2018 Ericsson |
| * |
| * 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.core.histogram; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.common.core.NonNullUtils; |
| import org.eclipse.tracecompass.internal.tmf.core.model.DataProviderDescriptor; |
| import org.eclipse.tracecompass.internal.tmf.core.model.xy.TmfTreeXYCompositeDataProvider; |
| import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderDescriptor; |
| import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderDescriptor.ProviderType; |
| import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderFactory; |
| import org.eclipse.tracecompass.tmf.core.model.tree.ITmfTreeDataModel; |
| import org.eclipse.tracecompass.tmf.core.model.xy.ITmfTreeXYDataProvider; |
| import org.eclipse.tracecompass.tmf.core.statistics.TmfStatisticsModule; |
| import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils; |
| |
| /** |
| * Factory to create instances of the {@link ITmfTreeXYDataProvider}. Uses the |
| * DataProviderFactory endpoint. |
| * |
| * @author Loic Prieur-Drevon |
| * @since 4.0 |
| */ |
| public class HistogramDataProviderFactory implements IDataProviderFactory { |
| |
| private static final IDataProviderDescriptor DESCRIPTOR = |
| new DataProviderDescriptor.Builder() |
| .setId(HistogramDataProvider.ID) |
| .setName(NonNullUtils.nullToEmptyString(Messages.HistogramDataProvider_Title)) |
| .setDescription(NonNullUtils.nullToEmptyString(Messages.HistogramDataProviderFactory_DescriptionText)) |
| .setProviderType(ProviderType.TREE_TIME_XY) |
| .build(); |
| |
| @Override |
| public @Nullable ITmfTreeXYDataProvider<? extends ITmfTreeDataModel> createProvider(ITmfTrace trace) { |
| Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(trace); |
| if (traces.size() == 1) { |
| TmfStatisticsModule statsMod = TmfTraceUtils.getAnalysisModuleOfClass(trace, TmfStatisticsModule.class, TmfStatisticsModule.ID); |
| if (statsMod != null) { |
| statsMod.schedule(); |
| return new HistogramDataProvider(trace, statsMod); |
| } |
| } |
| return TmfTreeXYCompositeDataProvider.create(traces, HistogramDataProvider.TITLE, HistogramDataProvider.ID); |
| } |
| |
| @Override |
| public Collection<IDataProviderDescriptor> getDescriptors(@NonNull ITmfTrace trace) { |
| return Collections.singletonList(DESCRIPTOR); |
| } |
| |
| } |