org.jboss.logging

Class MDC



  • public final class MDCextends Object
    Mapped diagnostic context. Each log provider implementation may behave different.
    • Method Detail

      • put

        public static Object put(String key,                         Object val)
        Puts the value onto the context.
        Parameters:
        key - the key for the value
        val - the value
        Returns:
        the previous value set or null if no value was set
      • get

        public static Object get(String key)
        Returns the value for the key or null if no value was found.
        Parameters:
        key - the key to lookup the value for
        Returns:
        the value or null if not found
      • remove

        public static void remove(String key)
        Removes the value from the context.
        Parameters:
        key - the key of the value to remove
      • getMap

        public static Map<String,Object> getMap()
        Returns the map from the context.

        Note that in most implementations this is an expensive operation and should be used sparingly.

        Returns:
        the map from the context or an empty map if the context is null
      • clear

        public static void clear()
        Clears the message diagnostics context.

Copyright © 2015 Red Hat, Inc.



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