1 files changed, 14 insertions, 0 deletions
diff --git a/application-model/src/main/scala/com/yahoo/vespa/applicationmodel/ConfigId.scala b/application-model/src/main/scala/com/yahoo/vespa/applicationmodel/ConfigId.scala
new file mode 100644
index 00000000000..013f2cd976b
--- /dev/null
+++ b/application-model/src/main/scala/com/yahoo/vespa/applicationmodel/ConfigId.scala
@@ -0,0 +1,14 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespa.applicationmodel
+
+import com.fasterxml.jackson.annotation.JsonValue
+
+/**
+ * @author bakksjo
+ */
+case class ConfigId(s: String) {
+  // Jackson's StdKeySerializer uses toString() (and ignores annotations) for objects used as Map keys.
+  // Therefore, we use toString() as the JSON-producing method, which is really sad.
+  @JsonValue
+  override def toString(): String = s
+}