Package org.apache.datasketches.tuple

Interface Summary

All Known Subinterfaces:
UpdatableSummary<U>
All Known Implementing Classes:
ArrayOfStringsSummary, DoubleSummary, IntegerSummary
public interface Summary
Interface for user-defined Summary, which is associated with every hash in a tuple sketch

  • Method Summary

    Modifier and Type
    Method
    Description
    Summary
    copy()
    Deep copy.
    byte[]
    toByteArray()
    This is to serialize a Summary instance to a byte array.

  • Method Details

    • copy

      Summary copy()
      Deep copy.

      Caution: This must implement a deep copy.

      Returns:
      deep copy of the Summary

    • toByteArray

      byte[] toByteArray()
      This is to serialize a Summary instance to a byte array.

      The user should encode in the byte array its total size, which is used during deserialization, especially if the Summary has variable sized elements.

      Returns:
      serialized representation of the Summary