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Performs a mapping of incoming attributes to out-coming attributes using map functions. Odysseus also provides a wide range of mapping functions.

Hint: Map is stateless. To used Map in a statebased fashion see: StateMap

Parameter

  • expressions: A list of expressions to map multiple incoming attribute values to out-coming attributes. Optional each expression can have a name (in this case use ['expression', 'expressionName'])
  • kvexpressions: Same as expressions, but for key value objects.
  • threads: Number of threads used to process the expressions simultaneous. A positive number greater than 1 indicates the fixed number of threads, a value of 0 or 1 disables threading, and a negative number estimates the number of threads based on the number of expressions and the available processors.

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