Data access (dereference)

For access to complex structures such as List or Map

Classification

Library	Core
Art	Term
Exceptions	Core..OutOfBoundsException, Core..InvalidReferenceException
Categories	Core Terms, Terms, Data Access

Description

Dereferencing-Terms are for reading values (variables or constants) used in the complex structures are such as List or Map. Access is made according to the syntax of C #.

Expression

Value = MyObject[Path]

Properties

Below are all the properties / arguments of the term in order listed.

Name

Type

Art

Description

Value

Return

The

Value of the corresponding type

Path

Term

●

Address which refers to the element in the complex structure. The type of address depends on the type of complex structure.

Example:

Type for elements in a List is Integer
Type for elements in aMap is String

Legend: No Type = Indeterminate type, see description; M = Property is required (mandatory); In = Verkettbares Element; R = Datenrichtung I = In, O = Out, I/O = In/Out

Examples

MyIntegerValue = MyListOfInteger [MyIntegerIndex]
MyValue = MyList[0]
MyValue = MyList[4]
MyIntegerValue = MyMapOfStringInteger [MyStringKey]
MyValue = MyMap["Key2"]
MyValue = MyMap["Key9"]
MyByteValue MyByteField = [MyIntegerIndex]
MyValue = MyByteField[0]

Created

14. February 2011
Version

15
Amended

07. Dezember 2011
Hits

800

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