Software Customisation
Reference Manual
Summary of Objects, Members and Methods
:
Object Type Details
: EXPRESSION Object
EXPRESSION Object
This object is used to define a basic expression that can be applied against a database element or another object and return any data typed result, BOOLEAN, STRING, etc.
EXPRESSION objects may be used by COLLECTION objects to filter the results of the collection.
Methods
Name
Result
Purpose
Expression
Constructor (initialises all the object’s settings).
Expression (STRING)
Constructs and defines the expression. ('ATTRIBUTE----') should be used for attributes for speed and efficiency. Other examples are ('PURP eq IPIPINGI') or ('XLEN + STRING(XLEN)').
AttributeExpression (STRING)
Makes the passed attribute an expression.
AttributeExpression ('LENGTH') is the same as Expression ('ATTRIBUTE
LENGTH').
String()
STRING
Returns the current expression as a string.
Evaluate(DBREF)
ANY
Evaluates the current expression against the passed object
1974 to current year.
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