Exposed state system through data provider factory

Author: theibhir

tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/internal/tmf/core/statesystem/provider/Messages.java

@@ -45,6 +45,12 @@ public class Messages extends NLS {
     /** Label for the "attribute path" column */
     public static @Nullable String AttributePathColumnLabel;
 
+    /** Data Provider factory title */
+    public static @Nullable  String StateSystemDataProviderFactory_title;
+
+    /** Data Provider factory help text */
+    public static  @Nullable  String StateSystemDataProviderFactory_descriptionText;
+
     static {
         // initialize resource bundle
         NLS.initializeMessages(BUNDLE_NAME, Messages.class);

tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/internal/tmf/core/statesystem/provider/StateSystemDataProvider.java

@@ -459,7 +459,11 @@ public int getQuark() {
 
         Status status = fetchTreeIsComplete ? Status.COMPLETED : Status.RUNNING;
         String msg = fetchTreeIsComplete ? CommonStatusMessage.COMPLETED : CommonStatusMessage.RUNNING;
-        return new TmfModelResponse<>(new TmfTreeModel<>(Collections.emptyList(), entryList), status, msg);
+
+        TmfTreeModel<TimeGraphEntryModel> treeModel =new TmfTreeModel<>(Collections.emptyList(), entryList);
+        treeModel.setAutoExpandLevel(1);
+
+        return new TmfModelResponse<>(treeModel, status, msg);
     }
 
     private boolean addTrace(@Nullable IProgressMonitor monitor) {

tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/internal/tmf/core/statesystem/provider/StateSystemDataProviderFactory.java

@@ -11,12 +11,22 @@
 
 package org.eclipse.tracecompass.internal.tmf.core.statesystem.provider;
 
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Objects;
+
 import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.jdt.annotation.Nullable;
+import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderDescriptor;
 import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderFactory;
+import org.eclipse.tracecompass.tmf.core.dataprovider.IDataProviderDescriptor.ProviderType;
+import org.eclipse.tracecompass.tmf.core.model.DataProviderDescriptor;
+import org.eclipse.tracecompass.tmf.core.model.timegraph.TmfTimeGraphCompositeDataProvider;
 import org.eclipse.tracecompass.tmf.core.model.tree.ITmfTreeDataModel;
 import org.eclipse.tracecompass.tmf.core.model.tree.ITmfTreeDataProvider;
 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
+import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
+import org.eclipse.tracecompass.tmf.core.trace.experiment.TmfExperiment;
 
 /**
  * Extension point factory for the {@link StateSystemDataProvider}
@@ -25,9 +35,28 @@
  */
 public class StateSystemDataProviderFactory implements IDataProviderFactory {
 
+    private static final IDataProviderDescriptor DESCRIPTOR = new DataProviderDescriptor.Builder()
+            .setId(StateSystemDataProvider.ID)
+            .setName(Objects.requireNonNull(Messages.StateSystemDataProviderFactory_title))
+            .setDescription(Objects.requireNonNull(Messages.StateSystemDataProviderFactory_descriptionText))
+            .setProviderType(ProviderType.TIME_GRAPH)
+            .build();
+
     @Override
     public @Nullable ITmfTreeDataProvider<? extends ITmfTreeDataModel> createProvider(@NonNull ITmfTrace trace) {
+
+        if ( trace instanceof TmfExperiment) {
+            return TmfTimeGraphCompositeDataProvider.create(TmfTraceManager.getTraceSet(trace),  StateSystemDataProvider.ID);
+
+        }
+
         return new StateSystemDataProvider(trace);
+
+    }
+
+    @Override
+    public Collection<IDataProviderDescriptor> getDescriptors(@NonNull ITmfTrace trace) {
+        return  Collections.singletonList(DESCRIPTOR) ;
     }
 
 }

tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/internal/tmf/core/statesystem/provider/messages.properties

@@ -9,6 +9,8 @@
 # SPDX-License-Identifier: EPL-2.0
 ###############################################################################
 # Column names
+StateSystemDataProviderFactory_title=State System Explorer
+StateSystemDataProviderFactory_descriptionText=Displays the states of state system attributes over time.
 TreeNodeColumnLabel=State System / Attribute
 QuarkColumnLabel=Quark
 ValueColumnLabel=Value