Class: EmptyNodeSet

Oracle® JavaScript Extension Toolkit (JET)
3.2.0

E87541-01

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oj. EmptyNodeSet

Version:
  • 3.2.0

Constructor

new EmptyNodeSet(parent, start)

Convenient class that represents an empty node set
Parameters:
Name Type Description
parent Object the parent key
start number the start index
Source:

Methods

getCount() → {number}

Gets the actual count of the result set.
Source:
Returns:
the actual count of the result set.
Type
number

getData(index) → {Object}

Gets the data of the specified index. An error is throw when 1) the range is not yet available and 2) the index specified is out of bounds.
Parameters:
Name Type Description
index number the index of the node/row in which we want to retrieve the data from.
Source:
Returns:
the data for the specified index.
Type
Object

getMetadata(index) → {Object}

Gets the metadata of the specified index. An error is throw when 1) the range is not yet available and 2) the index specified is out of bounds. The metadata that the data source must return are: 1) key - Object, the key of the node/row. 2) state - state of the node, valid values are 'expanded', 'collapsed', 'leaf'. 3) depth - number, the depth of the node/row.
Parameters:
Name Type Description
index number the index of the node/row in which we want to retrieve the metadata from.
Source:
Returns:
the metadata object for the specific index.
Type
Object

getParent() → {Object}

Gets the parent
Source:
Returns:
the key of the parent.
Type
Object

getStart() → {number}

Gets the start index of the result set.
Source:
Returns:
the start index of the result set.
Type
number