1 files changed, 54 insertions, 0 deletions
diff --git a/logserver/src/main/java/com/yahoo/logserver/net/control/State.java b/logserver/src/main/java/com/yahoo/logserver/net/control/State.java
new file mode 100644
index 00000000000..5d2a4f0fbd4
--- /dev/null
+++ b/logserver/src/main/java/com/yahoo/logserver/net/control/State.java
@@ -0,0 +1,54 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.logserver.net.control;
+
+import java.util.Map;
+import java.util.HashMap;
+
+/**
+ * This value class represents the logging state of a component.
+ * the valid states are:
+ *
+ * <UL>
+ *  <LI> forward - store locally and send to log server
+ *  <LI> store - store locally only
+ *  <LI> noforward - do not send to logserver
+ *  <LI> off - do not generate the message in the program
+ * </UL>
+ *
+ * XXX This does not appear to be in use.
+ */
+public class State {
+    private static final Map<String, State> nameToState = new HashMap<String, State>();
+
+    public static final State FORWARD = new State("forward");
+    public static final State NOFORWARD = new State("noforward");
+    // public static final State STORE = new State("store");
+    // public static final State OFF = new State("off");
+    public static final State UNKNOWN = new State("unknown");
+
+    private String name;
+
+    /**
+     * Typesafe enum.  Only able to instantiate self.
+     * TODO: Rewrite to enum
+     */
+    private State () {}
+
+    /**
+     * Creates state with given name
+     */
+    private State (String name) {
+        this.name = name;
+        synchronized (State.class) {
+            nameToState.put(name, this);
+        }
+    }
+
+    public static State parse (String s) {
+    	return nameToState.containsKey(s) ? nameToState.get(s) : UNKNOWN;
+    }
+
+    public String toString () {
+        return name;
+    }
+}