qubx :: tree :: NodeInMem :: Class NodeInMem

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Class NodeInMem

 object --+    
          |    
NodeStorage --+
              |
             NodeInMem

Manages the attributes and data of a Node that's not in a file.

Instance Methods

__init__(self, init)
Instantiated by Node with either a NodeStorage template to copy, or the name for a fresh new one.

source code

get_name(self)

source code

set_name(self, x)

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get_preload(self)

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set_preload(self, x)

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get_data(self)

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get_dataCount(self)

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get_dataSize(self)

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get_dataType(self)

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get_rowcount(self)

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get_colcount(self)

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get_loaded(self)

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get_loadedRows(self)

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get_data_item(self, i)

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set_data_item(self, i, x)

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setup_data(self, type, rows, cols)

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resize_data(self, nr, type_if_none)

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__adjust_load(self)

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clear_data(self)

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set_string_data(self, s)

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load_rows(self, first, last, do_read)

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unload_rows(self, do_write)

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read_rows(self, first, last)

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write_rows(self, first, last, arr)

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get_rows(self, first, last)

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Inherited from NodeStorage: get_childPos, get_dataPos, get_file, get_offset, get_ondirtied, get_siblingPos, map_data, measure, read, set_childPos, set_clean, set_ondirtied, set_siblingPos, write

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Properties

__cols

__data

__dataCount

__dataSize

__dataType

__loadedFirst

__loadedLast

__name

__preload

__rows

Inherited from NodeStorage: OnDirtied, childPos, clean, cols, data, dataCount, dataPos, dataSize, dataType, file, loaded, loadedRows, name, offset, preload, rows, siblingPos

Inherited from object: __class__

Method Details

init(self, init)
(Constructor)

Instantiated by Node with either a NodeStorage template to copy, or the name for a fresh new one.

Basically it uses self.__whatever for the attributes, and keeps data in either numpy.array or mmap.mmap (for strings).

Overrides: object.__init__

get_data_item(self, i)

Overrides: NodeStorage.get_data_item

set_data_item(self, i, x)

Overrides: NodeStorage.set_data_item

setup_data(self, type, rows, cols)

Overrides: NodeStorage.setup_data

resize_data(self, nr, type_if_none)

Overrides: NodeStorage.resize_data

clear_data(self)

Overrides: NodeStorage.clear_data

set_string_data(self, s)

Overrides: NodeStorage.set_string_data

load_rows(self, first, last, do_read)

Overrides: NodeStorage.load_rows

unload_rows(self, do_write)

Overrides: NodeStorage.unload_rows

read_rows(self, first, last)

Overrides: NodeStorage.read_rows

write_rows(self, first, last, arr)

Overrides: NodeStorage.write_rows

get_rows(self, first, last)

Overrides: NodeStorage.get_rows