Use common exception class for transient provisioning exceptions

2 files changed, 21 insertions, 1 deletions

diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/ParentHostUnavailableException.java b/config-provisioning/src/main/java/com/yahoo/config/provision/ParentHostUnavailableException.java
index 357897df898..f90b67c1525 100644
--- a/config-provisioning/src/main/java/com/yahoo/config/provision/ParentHostUnavailableException.java
+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/ParentHostUnavailableException.java
@@ -9,7 +9,7 @@ package com.yahoo.config.provision;
  * @author freva
  *
  */
-public class ParentHostUnavailableException extends RuntimeException {
+public class ParentHostUnavailableException extends TransientException {
 
     public ParentHostUnavailableException(String message) {
         super(message);
diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/TransientException.java b/config-provisioning/src/main/java/com/yahoo/config/provision/TransientException.java
new file mode 100644
index 00000000000..bae7407587e
--- /dev/null
+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/TransientException.java
@@ -0,0 +1,20 @@
+// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.config.provision;
+
+/**
+ * A provisioning exception that is considered transient. Exceptions that we expect to recover from after a short
+ * duration should extend this. Throwing a subclass of this indicates that the operation can safely be retried.
+ *
+ * @author mpolden
+ */
+public abstract class TransientException extends RuntimeException {
+
+    public TransientException(String message) {
+        super(message);
+    }
+
+    public TransientException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}