Method project

core/src/main/java/io/ddf/content/ViewHandler.java:73–79

(String... columnNames)

  }

  @Override
  public DDF project(String... columnNames) throws DDFException {
    if (columnNames == null || columnNames.length == 0) throw new DDFException("columnNames must be specified");
    List<String> colNames = new ArrayList<String>(columnNames.length);
    for(String col: columnNames) {colNames.add(col);}
    return project(colNames);
  }

  @Override
  public DDF project(List<String> columnNames) throws DDFException {