Class MDC

java.lang.Object
org.jboss.logmanager.MDC
public final class MDC extends Object
Mapped diagnostic context. This is a thread-local map used to hold loggable information.

  • Field Details

  • Constructor Details

    • MDC

      private MDC()

  • Method Details

    • get

      public static String get(String key)
      Get the value for a key, or null if there is no mapping.
      Parameters:
      key - the key
      Returns:
      the value

    • getObject

      public static Object getObject(String key)
      Get the value for a key, or null if there is no mapping.
      Parameters:
      key - the key
      Returns:
      the value

    • put

      public static String put(String key, String value)
      Set the value of a key, returning the old value (if any) or null if there was none.
      Parameters:
      key - the key
      value - the new value
      Returns:
      the old value or null if there was none

    • putObject

      public static Object putObject(String key, Object value)
      Set the value of a key, returning the old value (if any) or null if there was none.
      Parameters:
      key - the key
      value - the new value
      Returns:
      the old value or null if there was none

    • remove

      public static String remove(String key)
      Remove a key.
      Parameters:
      key - the key
      Returns:
      the old value or null if there was none

    • removeObject

      public static Object removeObject(String key)
      Remove a key.
      Parameters:
      key - the key
      Returns:
      the old value or null if there was none

    • copy

      public static Map<String,String> copy()
      Get a copy of the MDC map. This is a relatively expensive operation.
      Returns:
      a copy of the map

    • fastCopy

      static FastCopyHashMap<String,String> fastCopy()

    • copyObject

      public static Map<String,Object> copyObject()
      Get a copy of the MDC map. This is a relatively expensive operation.
      Returns:
      a copy of the map

    • fastCopyObject

      static FastCopyHashMap<String,Object> fastCopyObject()

    • clear

      public static void clear()
      Clear the current MDC map.