[PATCH] JMC-4740: There should be a better default column ordering for event attributes

Marcus Hirt marcus.hirt at oracle.com
Tue Aug 21 12:15:11 UTC 2018


Thanks Guru!

Kind regards,
Marcus

From: Guru <guru.hb at oracle.com>
Date: Tuesday, 21 August 2018 at 12:28
To: Marcus Hirt <marcus.hirt at oracle.com>, Miro Wengner <miro.wengner at gmail.com>
Cc: <jmc-dev at openjdk.java.net>
Subject: Re: [PATCH] JMC-4740: There should be a better default column ordering for event attributes

Hi Marcus & Miro,

I have rebased the diff, Reviewed and tested the use case mentioned in JBS. 
Webrev : http://cr.openjdk.java.net/~ghb/ext/miro/JMC-4740/webrev.0/ 
Changes looks good to me. 

Thanks,
Guru
On 13-Aug-2018, at 9:13 PM, Marcus Hirt <mailto:marcus.hirt at oracle.com> wrote:

I will sponsor this change, but I think someone else should review it, as I 
helped with it.

Guru, Sharath?

Kind regards,
Marcus

On 2018-08-13, 17:25, "jmc-dev on behalf of Miro Wengner" <mailto:jmc-dev-bounces at openjdk.java.net on behalf of mailto:miro.wengner at gmail.com> wrote:

   Hi Everyone,
    here is my patch for a review,
   Thank you Marcus!

   Kind Regards,
   Miro


   diff -r 2cc768144a86 application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/common/DataPageToolkit.java
   --- a/application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/common/DataPageToolkit.java	Fri Aug 10 14:03:47 2018 +0530
   +++ b/application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/common/DataPageToolkit.java	Mon Aug 13 15:37:03 2018 +0200
   @@ -38,6 +38,7 @@
    import java.util.ArrayList;
    import java.util.Arrays;
    import java.util.Collection;
   +import java.util.Collections;
    import java.util.Comparator;
    import java.util.HashMap;
    import java.util.HashSet;
   @@ -145,6 +146,7 @@
    import org.openjdk.jmc.ui.charts.XYQuantities;
    import org.openjdk.jmc.ui.column.ColumnMenusFactory;
    import org.openjdk.jmc.ui.column.TableSettings;
   +import org.openjdk.jmc.ui.column.TableSettings.ColumnSettings;
    import org.openjdk.jmc.ui.handlers.ActionToolkit;
    import org.openjdk.jmc.ui.handlers.MCContextMenuManager;
    import org.openjdk.jmc.ui.misc.ChartCanvas;
   @@ -176,17 +178,25 @@
    		};
    	}

   -	private static Map<String, Color> fieldColorMap = new HashMap<>();
   +	private static final Map<String, Color> FIELD_COLOR_MAP = new HashMap<>();
   +	private static final Map<String, Integer> DEFAULT_COLUMNS_ORDER;

    	static {

    		// FIXME: Create FieldAppearance class, similar to TypeAppearence?
   -		fieldColorMap.put(JdkAttributes.MACHINE_TOTAL.getIdentifier(), new Color(255, 128, 0));
   -		fieldColorMap.put(JdkAttributes.JVM_SYSTEM.getIdentifier(), new Color(128, 128, 128));
   -		fieldColorMap.put(JdkAttributes.JVM_USER.getIdentifier(), new Color(0, 0, 255));
   -		fieldColorMap.put(JdkAttributes.JVM_TOTAL.getIdentifier(), new Color(64, 64, 191));
   +		FIELD_COLOR_MAP.put(JdkAttributes.MACHINE_TOTAL.getIdentifier(), new Color(255, 128, 0));
   +		FIELD_COLOR_MAP.put(JdkAttributes.JVM_SYSTEM.getIdentifier(), new Color(128, 128, 128));
   +		FIELD_COLOR_MAP.put(JdkAttributes.JVM_USER.getIdentifier(), new Color(0, 0, 255));
   +		FIELD_COLOR_MAP.put(JdkAttributes.JVM_TOTAL.getIdentifier(), new Color(64, 64, 191));

    		// FIXME: Handle ColorProvider and combined events
   +		Map<String, Integer> columnsOrderMap = new HashMap<>();
   +		columnsOrderMap.put(createColumnId(JfrAttributes.START_TIME), 1);
   +		columnsOrderMap.put(createColumnId(JfrAttributes.DURATION), 2);
   +		columnsOrderMap.put(createColumnId(JfrAttributes.END_TIME), 3);
   +		columnsOrderMap.put(createColumnId(JfrAttributes.EVENT_THREAD), 4);
   +		DEFAULT_COLUMNS_ORDER = Collections.unmodifiableMap(columnsOrderMap);
   +
    	}

    	public static final Color ALLOCATION_COLOR = new Color(64, 144, 230);
   @@ -198,7 +208,7 @@
    	public static final String RESULT_ACTION_ID = "resultAction"; //$NON-NLS-1$

    	public static Color getFieldColor(String fieldId) {
   -		return fieldColorMap.getOrDefault(fieldId, ColorToolkit.getDistinguishableColor(fieldId));
   +		return FIELD_COLOR_MAP.getOrDefault(fieldId, ColorToolkit.getDistinguishableColor(fieldId));
    	}

    	public static Color getFieldColor(IAttribute<?> attribute) {
   @@ -1053,4 +1063,33 @@
    				&& JfrAttributes.START_TIME.getAccessor(type) != JfrAttributes.END_TIME.getAccessor(type);
    	}

   +	public static TableSettings createTableSettingsByOrderByAndColumnsWithDefaultOrdering(final String orderBy, final Collection<ColumnSettings> columns) {
   +		final Stream<ColumnSettings> defaultOrderColumns = columns.stream()
   +				.filter(c -> DEFAULT_COLUMNS_ORDER.containsKey(c.getId()))
   +				.filter(c -> !c.isHidden())
   +				.sorted((c1, c2) ->
   +					Integer.compare(DEFAULT_COLUMNS_ORDER.get(c1.getId()),
   +							DEFAULT_COLUMNS_ORDER.get(c2.getId()))
   +				);
   +		final Stream<ColumnSettings> naturalOrderColumns = columns.stream()
   +				.filter(c -> !DEFAULT_COLUMNS_ORDER.containsKey(c.getId()))
   +				.sorted((c1, c2) -> String.CASE_INSENSITIVE_ORDER.compare(c1.getId(), c2.getId()));
   +		final List<ColumnSettings> resultColumns = Stream.concat(defaultOrderColumns, naturalOrderColumns).collect(Collectors.toList());
   +		return new TableSettings(orderBy, resultColumns);
   +	}
   +
   +	public static TableSettings createTableSettingsByAllAndVisibleColumns(final Collection<String> allColumns, final Collection<String> visibleColumns) {
   +		final List<ColumnSettings> defaultListCols = new ArrayList<>();
   +		for (String columnId : allColumns) {
   +			defaultListCols.add(new ColumnSettings(columnId, !visibleColumns.contains(columnId), null, null));
   +		}
   +		return createTableSettingsByOrderByAndColumnsWithDefaultOrdering(null, defaultListCols);
   +	}
   +
   +	private static String createColumnId(IAttribute<?> attr) {
   +		return new StringBuilder().append(attr.getIdentifier())
   +				.append(":")
   +				.append(attr.getContentType().getIdentifier())
   +				.toString();
   +	}
    }




   diff -r 2cc768144a86 application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/pages/EventBrowserPage.java
   --- a/application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/pages/EventBrowserPage.java	Fri Aug 10 14:03:47 2018 +0530
   +++ b/application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/pages/EventBrowserPage.java	Mon Aug 13 15:37:38 2018 +0200
   @@ -335,7 +335,8 @@
    			Composite parent = oldListControl.getParent();
    			oldListControl.dispose();
    			list = DataPageToolkit.createSimpleItemList(parent, itemListBuilder, container,
   -					new TableSettings(orderBy, listColumns), Messages.EventBrowserPage_EVENT_BROWSER_SELECTION);
   +					DataPageToolkit.createTableSettingsByOrderByAndColumnsWithDefaultOrdering(orderBy, listColumns),
   +					Messages.EventBrowserPage_EVENT_BROWSER_SELECTION);
    			parent.layout();
    			list.show(filteredItems);
    		}



   diff -r 2cc768144a86 application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/pages/itemhandler/ItemListAndChart.java
   --- a/application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/pages/itemhandler/ItemListAndChart.java	Fri Aug 10 14:03:47 2018 +0530
   +++ b/application/org.openjdk.jmc.flightrecorder.ui/src/main/java/org/openjdk/jmc/flightrecorder/ui/pages/itemhandler/ItemListAndChart.java	Mon Aug 13 15:38:01 2018 +0200
   @@ -67,6 +67,7 @@
    import org.openjdk.jmc.flightrecorder.ui.IPageContainer;
    import org.openjdk.jmc.flightrecorder.ui.ItemCollectionToolkit;
    import org.openjdk.jmc.flightrecorder.ui.StreamModel;
   +import org.openjdk.jmc.flightrecorder.ui.common.DataPageToolkit;
    import org.openjdk.jmc.flightrecorder.ui.common.FilterComponent;
    import org.openjdk.jmc.flightrecorder.ui.common.ImageConstants;
    import org.openjdk.jmc.flightrecorder.ui.common.ItemHistogram.HistogramSelection;
   @@ -153,10 +154,11 @@

    		// FIXME: Should we use the state here, if the columns have been updated?
    		// FIXME: Should we change the column state if the user explicitly has configured the columns?
   -		TableSettings itemListSettings = TableSettings.forStateAndColumns(
   -				state != null ? state.getChild(LIST_SETTINGS) : null, acc.getAllAttributes().keySet(),
   -				acc.getCommonAttributes().keySet());
   -
   +		final TableSettings itemListSettings = state == null ? DataPageToolkit.createTableSettingsByAllAndVisibleColumns(
   +				acc.getAllAttributes().keySet(), acc.getCommonAttributes().keySet()) :
   +					TableSettings.forStateAndColumns(state.getChild(LIST_SETTINGS), acc.getAllAttributes().keySet(),
   +							acc.getCommonAttributes().keySet());
   +
    		Composite listComposite = toolkit.createComposite(tabFolder);
    		listComposite.setLayout(GridLayoutFactory.swtDefaults().create());
    		itemList = itemListBuilder.buildWithoutBorder(listComposite, itemListSettings);








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