How to use

setMaxGroups

method

in

org.dashbuilder.dataset.DataSetLookupConstraints

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxGroups(1)
      .setMinColumns(2)
      .setMaxColumns(10)
      .setExtraColumnsAllowed(true)
      .setExtraColumnsType(ColumnType.NUMBER)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle())
      .setColumnTypes(new ColumnType[] {
          ColumnType.LABEL,
          ColumnType.NUMBER});
  return new CommonC3DisplayerConstants(lookupConstraints).create()
        .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
        .supportsAttribute(DisplayerAttributeGroupDef.AXIS_GROUP);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxGroups(1)
      .setMinColumns(2)
      .setMaxColumns(10)
      .setExtraColumnsAllowed(true)
      .setExtraColumnsType(ColumnType.NUMBER)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle())
      .setColumnTypes(new ColumnType[] {
          ColumnType.LABEL,
          ColumnType.NUMBER});
  return new CommonC3DisplayerConstants(lookupConstraints).create()
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeGroupDef.AXIS_GROUP);
}

.setGroupRequired(true)
.setGroupColumn(true)
.setMaxGroups(1)
.setMinColumns(2)
.setMaxColumns(10)

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxGroups(1)
      .setMinColumns(2)
      .setMaxColumns(10)
      .setExtraColumnsAllowed(true)
      .setExtraColumnsType(ColumnType.NUMBER)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle())
      .setColumnTypes(new ColumnType[] {
          ColumnType.LABEL,
          ColumnType.NUMBER});
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeDef.RENDERER)
      .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.GENERAL_GROUP)
      .supportsAttribute(DisplayerAttributeDef.CHART_WIDTH)
      .supportsAttribute(DisplayerAttributeDef.CHART_HEIGHT)
      .supportsAttribute(DisplayerAttributeDef.CHART_BGCOLOR)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_LEGEND_GROUP )
      .supportsAttribute(DisplayerAttributeGroupDef.AXIS_GROUP);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxGroups(1)
      .setMinColumns(2)
      .setMaxColumns(10)
      .setExtraColumnsAllowed(true)
      .setExtraColumnsType(ColumnType.NUMBER)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle())
      .setColumnTypes(new ColumnType[] {
          ColumnType.LABEL,
          ColumnType.NUMBER});
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeDef.RENDERER)
      .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.GENERAL_GROUP)
      .supportsAttribute(DisplayerAttributeDef.CHART_WIDTH)
      .supportsAttribute(DisplayerAttributeDef.CHART_HEIGHT)
      .supportsAttribute(DisplayerAttributeDef.CHART_BGCOLOR)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_LEGEND_GROUP )
      .supportsAttribute(DisplayerAttributeGroupDef.AXIS_GROUP);
}

.setGroupRequired(true)
.setGroupColumn(true)
.setMaxGroups(1)
.setMinColumns(2)
.setMaxColumns(10)