HTRACE-184 Expose PROCESS_ID_KEY configuration key (Daniel Lee)
diff --git a/htrace-core/src/main/java/org/apache/htrace/impl/ProcessId.java b/htrace-core/src/main/java/org/apache/htrace/impl/ProcessId.java
index a3f7eda..a6a954d 100644
--- a/htrace-core/src/main/java/org/apache/htrace/impl/ProcessId.java
+++ b/htrace-core/src/main/java/org/apache/htrace/impl/ProcessId.java
@@ -58,7 +58,7 @@
   /**
    * The configuration key to use for process id
    */
-  static final String PROCESS_ID_KEY = "process.id";
+  public static final String PROCESS_ID_KEY = "process.id";
 
   /**
    * The default process ID to use if no other ID is configured.