1 files changed, 43 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/remote/RetryException.java b/src/main/java/com/google/devtools/build/lib/remote/RetryException.java
new file mode 100644
index 0000000000..6e9890afd6
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/remote/RetryException.java
@@ -0,0 +1,43 @@
+// Copyright 2016 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.devtools.build.lib.remote;
+
+import io.grpc.Status.Code;
+import io.grpc.StatusRuntimeException;
+import java.io.IOException;
+
+/** An exception to indicate failed retry attempts. */
+public final class RetryException extends IOException {
+  private final int attempts;
+
+  RetryException(Throwable cause, int retryAttempts) {
+    super(cause);
+    this.attempts = retryAttempts + 1;
+  }
+
+  public int getAttempts() {
+    return attempts;
+  }
+
+  public boolean causedByStatusCode(Code code) {
+    return getCause() instanceof StatusRuntimeException
+          && ((StatusRuntimeException) getCause()).getStatus().getCode() == code;
+  }
+
+  @Override
+  public String toString() {
+    return String.format("after %d attempts: %s", attempts, getCause());
+  }
+}