Trait

org.cert.netsa.io.ipfix

Fillable

Related Doc: package ipfix

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trait Fillable extends AnyRef

A class which mixes in the Fillable trait may be used as a target of a Record's fill() method.

A class which mixes in Fillable must use the IPFIXExtract annotation to mark the variables that it wishes to be filled with the information element values from a Record. If a variable is marked but the corresponding element is not present in the record from which the object is being filled, the variables's value is left unchanged.

The IPFIXExtract annotation defines two values that are used to create a FieldSpec that is used to specify which element in the Record is to used to fill the annotated variable. The two values are:

It is important that the types of the variables in the Fillable object match the IPFIX data types of the referenced IPFIX fields. If they do not, a java.lang.ClassCastException will be thrown when the record is filled. See Record for a mapping from IPFIX data type to Java data type.

Example:

  1. Here is a class whose sport and dport variables can be filled by a record's sourceTransportPort and destinationTransportPort elements:

    class Ports extends Fillable {
  @IPFIXExtract(name="sourceTransportPort")
  var sport: Int = _
  @IPFIXExtract(name="destinationTransportPort")
  var dport: Int = _
}
See also

Record

IPFIXExtract

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