How to use

setMaxColumns

method

in

org.dashbuilder.dataset.DataSetLookupConstraints

@Override
public DisplayerConstraints createDisplayerConstraints() {
  return new DisplayerConstraints(new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(1)
      .setMinColumns(1)
      .setGroupsTitle("Categories")
      .setColumnsTitle("Values")
      .setColumnTypes(new ColumnType[] {
          ColumnType.LABEL}));
}

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

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupAllowed(true)
      .setGroupRequired(false)
      .setMaxColumns(-1)
      .setMinColumns(1)
      .setGroupsTitle("Rows")
      .setColumnsTitle("Columns");
  return new DisplayerConstraints(lookupConstraints)
        .supportsAttribute( DisplayerAttributeDef.TYPE )
        .supportsAttribute( DisplayerAttributeDef.RENDERER )
        .supportsAttribute( DisplayerAttributeDef.COLUMNS )
        .supportsAttribute( DisplayerAttributeGroupDef.FILTER_GROUP )
        .supportsAttribute( DisplayerAttributeGroupDef.TITLE_GROUP)
        .supportsAttribute( DisplayerAttributeGroupDef.TABLE_GROUP );
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(10)
      .setMinColumns(2)
      .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);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(-1)
      .setMinColumns(1)
      .setExtraColumnsAllowed(true)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle())
      .setColumnTypes(new ColumnType[] {
          ColumnType.LABEL});
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute( DisplayerAttributeDef.TYPE )
      .supportsAttribute( DisplayerAttributeGroupDef.COLUMNS_GROUP )
      .supportsAttribute( DisplayerAttributeGroupDef.FILTER_GROUP )
      .supportsAttribute( DisplayerAttributeGroupDef.REFRESH_GROUP )
      .supportsAttribute( DisplayerAttributeGroupDef.GENERAL_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);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(-1)
      .setMinColumns(1)
      .setExtraColumnsAllowed(true)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle())
      .setColumnTypes(new ColumnType[] {
          ColumnType.LABEL});
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute( DisplayerAttributeDef.TYPE )
      .supportsAttribute( DisplayerAttributeGroupDef.COLUMNS_GROUP )
      .supportsAttribute( DisplayerAttributeGroupDef.FILTER_GROUP )
      .supportsAttribute( DisplayerAttributeGroupDef.REFRESH_GROUP )
      .supportsAttribute( DisplayerAttributeGroupDef.GENERAL_GROUP );
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(5)
      .setMinColumns(5)
      .setExtraColumnsAllowed(false)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle())
      .setColumnTitle(1, "X")
      .setColumnTitle(2, "Y")
      .setColumnTitle(3, "Bubble Size")
      .setColumnTypes(new ColumnType[] {
          ColumnType.LABEL,
          ColumnType.NUMBER,
          ColumnType.NUMBER,
          ColumnType.LABEL,
          ColumnType.NUMBER});
  return new CommonC3DisplayerConstants(lookupConstraints).create()
        .supportsAttribute(DisplayerAttributeGroupDef.AXIS_GROUP);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  // A single a number or date column is required as the filter column used by the slider
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupAllowed(false)
      .setMaxColumns(2)
      .setMinColumns(1)
      .setFunctionRequired(false)
      .setExtraColumnsAllowed(false)
      .setColumnsTitle(view.getColumnsTitle());
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeDef.RENDERER)
      .supportsAttribute(DisplayerAttributeDef.TITLE)
      .supportsAttribute(DisplayerAttributeDef.TITLE_VISIBLE)
      .supportsAttribute(DisplayerAttributeGroupDef.SELECTOR_GROUP)
      .excludeAttribute(DisplayerAttributeGroupDef.SELECTOR_MULTIPLE)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  // A single a number or date column is required as the filter column used by the slider
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupAllowed(false)
      .setMaxColumns(2)
      .setMinColumns(1)
      .setFunctionRequired(false)
      .setExtraColumnsAllowed(false)
      .setColumnsTitle(view.getColumnsTitle());
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeDef.RENDERER)
      .supportsAttribute(DisplayerAttributeDef.TITLE)
      .supportsAttribute(DisplayerAttributeDef.TITLE_VISIBLE)
      .supportsAttribute(DisplayerAttributeGroupDef.SELECTOR_GROUP)
      .excludeAttribute(DisplayerAttributeGroupDef.SELECTOR_MULTIPLE)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP);
}

  @Override
  public DisplayerConstraints createDisplayerConstraints() {
    DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
        .setGroupRequired(true)
        .setGroupColumn(true)
        .setMaxColumns(2)
        .setMinColumns(2)
        .setExtraColumnsAllowed(false)
        .setGroupsTitle(getView().getGroupsTitle())
        .setColumnsTitle(getView().getColumnsTitle())
        .setColumnTypes(new ColumnType[] {
            ColumnType.LABEL,
            ColumnType.NUMBER});

    return new DisplayerConstraints(lookupConstraints)
        .supportsAttribute(DisplayerAttributeDef.TYPE)
        .supportsAttribute(DisplayerAttributeDef.RENDERER)
        .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.GENERAL_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.CHART_GROUP );
  }
}

  @Override
  public DisplayerConstraints createDisplayerConstraints() {
    DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
        .setGroupRequired(true)
        .setGroupColumn(true)
        .setMaxColumns(2)
        .setMinColumns(2)
        .setExtraColumnsAllowed(false)
        .setGroupsTitle(getView().getGroupsTitle())
        .setColumnsTitle(getView().getColumnsTitle())
        .setColumnTypes(new ColumnType[] {
            ColumnType.LABEL,
            ColumnType.NUMBER});

    return new DisplayerConstraints(lookupConstraints)
        .supportsAttribute(DisplayerAttributeDef.TYPE)
        .supportsAttribute(DisplayerAttributeDef.RENDERER)
        .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.GENERAL_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.CHART_GROUP );
  }
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(-1)
      .setMinColumns(1)
      .setExtraColumnsAllowed(true)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle());
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeDef.RENDERER)
      .supportsAttribute(DisplayerAttributeDef.TITLE)
      .supportsAttribute(DisplayerAttributeDef.TITLE_VISIBLE)
      .supportsAttribute(DisplayerAttributeGroupDef.SELECTOR_GROUP)
      .excludeAttribute(DisplayerAttributeDef.SELECTOR_SHOW_INPUTS)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(-1)
      .setMinColumns(1)
      .setExtraColumnsAllowed(true)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle());
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeDef.RENDERER)
      .supportsAttribute(DisplayerAttributeDef.TITLE)
      .supportsAttribute(DisplayerAttributeDef.TITLE_VISIBLE)
      .supportsAttribute(DisplayerAttributeGroupDef.SELECTOR_GROUP)
      .excludeAttribute(DisplayerAttributeGroupDef.SELECTOR_SHOW_INPUTS)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(-1)
      .setMinColumns(1)
      .setExtraColumnsAllowed(true)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle());
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeDef.RENDERER)
      .supportsAttribute(DisplayerAttributeDef.TITLE)
      .supportsAttribute(DisplayerAttributeDef.TITLE_VISIBLE)
      .supportsAttribute(DisplayerAttributeGroupDef.SELECTOR_GROUP)
      .excludeAttribute(DisplayerAttributeGroupDef.SELECTOR_SHOW_INPUTS)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupAllowed(false)
      .setMaxColumns(1)
      .setMinColumns(1)
      .setFunctionRequired(true)
      .setExtraColumnsAllowed(false)
      .setColumnsTitle(view.getColumnsTitle())
      .setColumnTypes(new ColumnType[] {
          ColumnType.NUMBER});
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .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.METER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.HTML_GROUP);
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(true)
      .setGroupColumn(true)
      .setMaxColumns(-1)
      .setMinColumns(1)
      .setExtraColumnsAllowed(true)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle());
  return new DisplayerConstraints(lookupConstraints)
      .supportsAttribute(DisplayerAttributeDef.TYPE)
      .supportsAttribute(DisplayerAttributeDef.SUBTYPE)
      .supportsAttribute(DisplayerAttributeDef.RENDERER)
      .supportsAttribute(DisplayerAttributeDef.TITLE)
      .supportsAttribute(DisplayerAttributeDef.TITLE_VISIBLE)
      .supportsAttribute(DisplayerAttributeGroupDef.SELECTOR_GROUP)
      .excludeAttribute(DisplayerAttributeDef.SELECTOR_SHOW_INPUTS)
      .supportsAttribute(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.COLUMNS_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.FILTER_GROUP)
      .supportsAttribute(DisplayerAttributeGroupDef.REFRESH_GROUP);
}

  @Override
  public DisplayerConstraints createDisplayerConstraints() {
    DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
        .setGroupRequired(true)
        .setGroupColumn(true)
        .setMinColumns(2)
        .setMaxColumns(3)
        .setExtraColumnsAllowed(true)
        .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(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP);
  }
}

@Override
public DisplayerConstraints createDisplayerConstraints() {
  DataSetLookupConstraints lookupConstraints = new DataSetLookupConstraints()
      .setGroupRequired(false)
      .setGroupAllowed(true)
      .setGroupColumn(true)
      .setMaxColumns(2)
      .setMinColumns(1)
      .setExtraColumnsAllowed(false)
      .setGroupsTitle(view.getGroupsTitle())
      .setColumnsTitle(view.getColumnsTitle())
      .setFunctionRequired(true)
      .setColumnTypes(new ColumnType[] {ColumnType.NUMBER},
          new ColumnType[] {ColumnType.LABEL, ColumnType.NUMBER});
  return new DisplayerConstraints(lookupConstraints)
        .supportsAttribute(DisplayerAttributeDef.TYPE)
        .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(DisplayerAttributeGroupDef.CHART_MARGIN_GROUP)
        .supportsAttribute(DisplayerAttributeGroupDef.METER_GROUP);
}