Module io.helidon.tracing
Package io.helidon.tracing

Interface Baggage

All Known Subinterfaces:
WritableBaggage
public interface Baggage
Behavior common to all baggage implementations.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    containsKey(String key)
    Returns whether the specified key is present in the baggage.
    Optional<String>
    get(String key)
    Returns the value for the specified baggage key.
    Set<String>
    keys()
    Returns the keys present in the baggage.

  • Method Details

    • get

      Optional<String> get(String key)
      Returns the value for the specified baggage key.
      Parameters:
      key - key for the value to retrieve
      Returns:
      Optional of the value for the key; Optional.empty() if absent.

    • keys

      Set<String> keys()
      Returns the keys present in the baggage.
      Returns:
      set of key names; empty if none.

    • containsKey

      boolean containsKey(String key)
      Returns whether the specified key is present in the baggage.
      Parameters:
      key - key name to check
      Returns:
      true if the baggage contains an entry for the specified key; false otherwise