Source code for deephaven.plot.selectable_dataset

#
# Copyright (c) 2016-2022 Deephaven Data Labs and Patent Pending
#

""" This module defines the SelectableDateSet which is used to provides a view of a selectable subset of a table.
For example, in some selectable data sets, a GUI click can be used to select a portion of a table. """

from typing import List

import jpy

from deephaven import DHError
from deephaven._wrapper import JObjectWrapper
from deephaven.table import Table, PartitionedTable

_JSelectableDataSet = jpy.get_type("io.deephaven.plot.filters.SelectableDataSet")
_JSelectables = jpy.get_type("io.deephaven.plot.filters.Selectables")


[docs]class SelectableDataSet(JObjectWrapper): """ A SelectableDataSet provides a view of a selectable subset of a table. For example, in some selectable data sets, a GUI click can be used to select a portion of a table. """ j_object_type = _JSelectableDataSet def __init__(self, j_sds: jpy.JType): self.j_sds = j_sds @property def j_object(self) -> jpy.JType: return self.j_sds
[docs]def one_click(t: Table, by: List[str] = None, require_all_filters: bool = False) -> SelectableDataSet: """ Creates a SelectableDataSet with the specified columns from a table. Args: t (Table): the source table by (List[str]): the selected columns require_all_filters (bool): false to display data when not all oneclicks are selected; true to only display data when appropriate oneclicks are selected Returns: a SelectableDataSet Raises: DHError """ if not by: by = [] try: return SelectableDataSet(j_sds=_JSelectables.oneClick(t.j_table, require_all_filters, *by)) except Exception as e: raise DHError(e, "failed in one_click.") from e
[docs]def one_click_partitioned_table(pt: PartitionedTable, require_all_filters: bool = False) -> SelectableDataSet: """ Creates a SelectableDataSet with the specified columns from the table map. Args: pt (PartitionedTable): the source partitioned table require_all_filters (bool): false to display data when not all oneclicks are selected; true to only display data when appropriate oneclicks are selected Returns: a SelectableDataSet Raises: DHError """ try: return SelectableDataSet(j_sds=_JSelectables.oneClick(pt.j_partitioned_table, require_all_filters)) except Exception as e: raise DHError(e, "failed in one_click.") from e