| /********************************************************************** |
| * 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.tmf.analysis.xml.core.module; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.internal.tmf.analysis.xml.core.module.XmlTimeGraphDataProvider; |
| import org.eclipse.tracecompass.internal.tmf.analysis.xml.core.module.XmlTimeGraphEntryModel; |
| import org.eclipse.tracecompass.internal.tmf.analysis.xml.core.module.XmlXYDataProvider; |
| import org.eclipse.tracecompass.internal.tmf.core.model.timegraph.TmfTimeGraphCompositeDataProvider; |
| import org.eclipse.tracecompass.internal.tmf.core.model.xy.TmfTreeXYCompositeDataProvider; |
| import org.eclipse.tracecompass.tmf.core.model.timegraph.ITimeGraphDataProvider; |
| import org.eclipse.tracecompass.tmf.core.model.tree.ITmfTreeDataModel; |
| import org.eclipse.tracecompass.tmf.core.model.xy.ITmfTreeXYDataProvider; |
| import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler; |
| import org.eclipse.tracecompass.tmf.core.signal.TmfSignalManager; |
| import org.eclipse.tracecompass.tmf.core.signal.TmfTraceClosedSignal; |
| import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
| import org.w3c.dom.Element; |
| |
| import com.google.common.collect.HashBasedTable; |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.Table; |
| |
| /** |
| * Class to manage instances of XML data providers which cannot be handled by |
| * extension points as there are possibly several instances of XML providers per |
| * trace. |
| * |
| * @since 2.4 |
| * @author Loic Prieur-Drevon |
| * @deprecated This class has moved to internal, use |
| * {@link org.eclipse.tracecompass.internal.tmf.analysis.xml.core.output.XmlDataProviderManager} |
| * instead |
| */ |
| @Deprecated |
| public class XmlDataProviderManager { |
| |
| private static @Nullable XmlDataProviderManager INSTANCE; |
| |
| private static final String ID_ATTRIBUTE = "id"; //$NON-NLS-1$ |
| private final Table<ITmfTrace, String, ITmfTreeXYDataProvider<@NonNull ITmfTreeDataModel>> fXyProviders = HashBasedTable.create(); |
| private final Table<ITmfTrace, String, ITimeGraphDataProvider<@NonNull XmlTimeGraphEntryModel>> fTimeGraphProviders = HashBasedTable.create(); |
| |
| /** |
| * Get the instance of the manager |
| * |
| * @return the singleton instance |
| */ |
| public static synchronized XmlDataProviderManager getInstance() { |
| if (INSTANCE == null) { |
| INSTANCE = new XmlDataProviderManager(); |
| } |
| return INSTANCE; |
| } |
| |
| /** |
| * Dispose the singleton instance if it exists |
| * |
| * @since 2.5 |
| */ |
| public static synchronized void dispose() { |
| XmlDataProviderManager manager = INSTANCE; |
| if (manager != null) { |
| TmfSignalManager.deregister(manager); |
| manager.fXyProviders.clear(); |
| manager.fTimeGraphProviders.clear(); |
| } |
| INSTANCE = null; |
| } |
| |
| /** |
| * Private constructor. |
| */ |
| private XmlDataProviderManager() { |
| TmfSignalManager.register(this); |
| } |
| |
| /** |
| * Create (if necessary) and get the {@link XmlXYDataProvider} for the |
| * specified trace and viewElement. |
| * |
| * @param trace |
| * trace for which we are querying a provider |
| * @param viewElement |
| * the XML XY view for which we are querying a provider |
| * @return the unique instance of an XY provider for the queried parameters |
| * @since 3.0 |
| */ |
| public synchronized ITmfTreeXYDataProvider<@NonNull ITmfTreeDataModel> getXyProvider(@NonNull ITmfTrace trace, @NonNull Element viewElement) { |
| if (!viewElement.hasAttribute(ID_ATTRIBUTE)) { |
| return null; |
| } |
| String viewId = viewElement.getAttribute(ID_ATTRIBUTE); |
| ITmfTreeXYDataProvider<@NonNull ITmfTreeDataModel> provider = fXyProviders.get(trace, viewId); |
| if (provider != null) { |
| return provider; |
| } |
| if (Iterables.any(TmfTraceManager.getInstance().getOpenedTraces(), |
| opened -> TmfTraceManager.getTraceSetWithExperiment(opened).contains(trace))) { |
| /* if this trace or an experiment containing this trace is opened */ |
| Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(trace); |
| if (traces.size() == 1) { |
| Set<@NonNull String> analysisIds = TmfXmlUtils.getViewAnalysisIds(viewElement); |
| Element entry = TmfXmlUtils.getChildElements(viewElement, TmfXmlStrings.ENTRY_ELEMENT).get(0); |
| |
| provider = XmlXYDataProvider.create(trace, analysisIds, entry); |
| } else { |
| provider = generateExperimentProviderXy(traces, viewElement); |
| } |
| if (provider != null) { |
| fXyProviders.put(trace, viewId, provider); |
| } |
| return provider; |
| } |
| return null; |
| } |
| |
| private ITmfTreeXYDataProvider<@NonNull ITmfTreeDataModel> generateExperimentProviderXy(Collection<@NonNull ITmfTrace> traces, @NonNull Element viewElement) { |
| List<@NonNull ITmfTreeXYDataProvider<@NonNull ITmfTreeDataModel>> providers = new ArrayList<>(); |
| for (ITmfTrace child : traces) { |
| ITmfTreeXYDataProvider<@NonNull ITmfTreeDataModel> childProvider = getXyProvider(child, viewElement); |
| if (childProvider != null) { |
| providers.add(childProvider); |
| } |
| } |
| if (providers.isEmpty()) { |
| return null; |
| } else if (providers.size() == 1) { |
| return providers.get(0); |
| } |
| return new TmfTreeXYCompositeDataProvider<>(providers, XmlXYDataProvider.ID, XmlXYDataProvider.ID); |
| } |
| |
| /** |
| * Create (if necessary) and get the {@link XmlXYDataProvider} for the |
| * specified trace and viewElement. |
| * |
| * @param trace |
| * trace for which we are querying a provider |
| * @param viewElement |
| * the XML XY view for which we are querying a provider |
| * @return the unique instance of an XY provider for the queried parameters |
| * @since 3.0 |
| */ |
| public synchronized @Nullable ITimeGraphDataProvider<@NonNull XmlTimeGraphEntryModel> getTimeGraphProvider(@NonNull ITmfTrace trace, @NonNull Element viewElement) { |
| if (!viewElement.hasAttribute(ID_ATTRIBUTE)) { |
| return null; |
| } |
| String viewId = viewElement.getAttribute(ID_ATTRIBUTE); |
| ITimeGraphDataProvider<@NonNull XmlTimeGraphEntryModel> provider = fTimeGraphProviders.get(trace, viewId); |
| if (provider != null) { |
| return provider; |
| } |
| |
| if (Iterables.any(TmfTraceManager.getInstance().getOpenedTraces(), |
| opened -> TmfTraceManager.getTraceSetWithExperiment(opened).contains(trace))) { |
| |
| // Create with the trace or experiment first |
| provider = XmlTimeGraphDataProvider.create(trace, viewElement); |
| if (provider == null) { |
| // Otherwise, see if it's an experiment and create a composite |
| // if that's the |
| // case |
| Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(trace); |
| if (traces.size() > 1) { |
| // Try creating a composite only if there are many traces, |
| // otherwise, the |
| // previous call to create should have returned the data |
| // provider |
| provider = generateExperimentProviderTimeGraph(traces, viewElement); |
| } |
| } |
| if (provider != null) { |
| fTimeGraphProviders.put(trace, viewId, provider); |
| } |
| return provider; |
| } |
| return null; |
| } |
| |
| private @Nullable ITimeGraphDataProvider<@NonNull XmlTimeGraphEntryModel> generateExperimentProviderTimeGraph(Collection<@NonNull ITmfTrace> traces, @NonNull Element viewElement) { |
| List<@NonNull ITimeGraphDataProvider<@NonNull XmlTimeGraphEntryModel>> providers = new ArrayList<>(); |
| for (ITmfTrace child : traces) { |
| ITimeGraphDataProvider<@NonNull XmlTimeGraphEntryModel> childProvider = getTimeGraphProvider(child, viewElement); |
| if (childProvider != null) { |
| providers.add(childProvider); |
| } |
| } |
| if (providers.isEmpty()) { |
| return null; |
| } else if (providers.size() == 1) { |
| return providers.get(0); |
| } |
| return new TmfTimeGraphCompositeDataProvider<>(providers, XmlTimeGraphDataProvider.ID); |
| } |
| |
| /** |
| * Signal handler for the traceClosed signal. |
| * |
| * @param signal |
| * The incoming signal |
| * @since 2.5 |
| */ |
| @TmfSignalHandler |
| public synchronized void traceClosed(final TmfTraceClosedSignal signal) { |
| for (ITmfTrace trace : TmfTraceManager.getTraceSetWithExperiment(signal.getTrace())) { |
| fXyProviders.row(trace).clear(); |
| fTimeGraphProviders.row(trace).clear(); |
| } |
| } |
| } |