Package org.dashbuilder.dataset.group

Examples of org.dashbuilder.dataset.group.ColumnGroup

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            return true;
        }

        protected DataSetGroupIndex singleGroup(DataSetGroup op, InternalContext context) {

            ColumnGroup columnGroup = op.getColumnGroup();
            DataColumn sourceColumn = context.dataSet.getColumnById(columnGroup.getSourceId());
            ColumnType columnType = sourceColumn.getColumnType();
            GroupStrategy groupStrategy = columnGroup.getStrategy();
            IntervalBuilder intervalBuilder = intervalBuilderLocator.lookup(columnType, groupStrategy);
            if (intervalBuilder == null) throw new RuntimeException("Interval generator not supported.");

            // No index => Build required
            if (context.index == null) {
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            DataSetIndexNode index = context.index;
            DataSet dataSet = context.dataSet;

            if (lastOp instanceof DataSetGroup) {
                DataSetGroup gOp = (DataSetGroup) lastOp;
                ColumnGroup columnGroup = gOp.getColumnGroup();
                if (columnGroup == null) {
                    return _buildDataSet(context, gOp.getGroupFunctions());
                } else {
                    if (!gOp.getSelectedIntervalNames().isEmpty() && gOp.getGroupFunctions().isEmpty()) {
                        return dataSet.trim(index.getRows());
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        private DataSet _buildDataSet(InternalContext context, DataSetGroup op) {
            DataSetGroupIndex index = context.lastGroupIndex;
            DataSet dataSet = context.dataSet;

            ColumnGroup columnGroup = op.getColumnGroup();
            List<GroupFunction> groupFunctions = op.getGroupFunctions();

            // Data set header.
            DataSet result = DataSetFactory.newDataSet();
            result.addColumn(columnGroup.getColumnId(), ColumnType.LABEL);
            for (GroupFunction groupFunction : op.getGroupFunctions()) {
                result.addColumn(groupFunction.getColumnId(), ColumnType.NUMBER);
            }
            // Add the aggregate calculations to the result.
            List<DataSetIntervalIndex> intervalIdxs = index.getIntervalIndexes();
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            _groupSelect.setSelectedIntervalNames(values);

        } else {
            _groupSelect = new DataSetGroup();
            _groupSelect.setSelectedIntervalNames(values);
            _groupSelect.setColumnGroup(new ColumnGroup(columnId, columnId, GroupStrategy.DYNAMIC));
        }
        // Notify to those interested parties the selection event.
        if (displayerSettings.isFilterNotificationEnabled()) {
            for (DisplayerListener listener : listenerList) {
                listener.onGroupIntervalsSelected(this, _groupSelect);
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        columnSelectionMap.remove(columnId);
        DataSetGroup groupOp = dataSetHandler.getGroupOperation(columnId);
        if (groupOp == null || groupOp.getColumnGroup() == null) {
            groupOp = new DataSetGroup();
            groupOp.setColumnGroup(new ColumnGroup(columnId, columnId, GroupStrategy.DYNAMIC));
        }
        // Notify to those interested parties the reset event.
        if (displayerSettings.isFilterNotificationEnabled()) {
            for (DisplayerListener listener : listenerList) {
                listener.onGroupIntervalsReset(this, Arrays.asList(groupOp));
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        List<DataSetGroup> groupOpList = new ArrayList<DataSetGroup>();
        for (String columnId : columnSelectionMap.keySet()) {
            DataSetGroup groupOp = dataSetHandler.getGroupOperation(columnId);
            if (groupOp == null || groupOp.getColumnGroup() == null) {
                groupOp = new DataSetGroup();
                groupOp.setColumnGroup(new ColumnGroup(columnId, columnId, GroupStrategy.DYNAMIC));
            }
            groupOpList.add(groupOp);

        }
        columnSelectionMap.clear();
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Related Classes of org.dashbuilder.dataset.group.ColumnGroup

  • org.dashbuilder.dataset.DataSetLookup
  • org.dashbuilder.dataset.engine.index.DataSetIndexNode
  • org.dashbuilder.dataset.engine.SharedDataSetOpEngine$DataSetOpListProcessor
  • org.dashbuilder.dataset.impl.AbstractDataSetLookupBuilder
  • org.dashbuilder.displayer.client.AbstractDisplayer
  • org.dashbuilder.displayer.client.DataSetHandlerImpl
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