Class NullValueDataExtractor

java.lang.Object
org.alfresco.repo.audit.extractor.AbstractDataExtractor
org.alfresco.repo.audit.extractor.NullValueDataExtractor
All Implemented Interfaces:
DataExtractor, org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.InitializingBean

public class NullValueDataExtractor extends AbstractDataExtractor
An extractor that merely records a null value. This enables configuration such that the presence of a data path can be recorded when the actual value is of no interest.
Since:
3.2
Author:
Derek Hulley
  • Constructor Details

    • NullValueDataExtractor

      public NullValueDataExtractor()
  • Method Details

    • isSupported

      public boolean isSupported(Serializable data)
      Description copied from interface: DataExtractor
      Determines if the extractor will be able to pull any data from the given value.
      Parameters:
      data - the data that might be useful to this extractor (could be null)
      Returns:
      Returns true always
    • extractData

      public Serializable extractData(Serializable in) throws Throwable
      Description copied from interface: DataExtractor
      Convert an value passed into the audit components into a value to be recorded.
      Parameters:
      in - the source data
      Returns:
      Returns null always
      Throws:
      Throwable - All errors will be handled by the calling framework