1 files changed, 33 insertions, 0 deletions
diff --git a/Firebase/Database/Core/Utilities/FIRRetryHelper.h b/Firebase/Database/Core/Utilities/FIRRetryHelper.h
new file mode 100644
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+++ b/Firebase/Database/Core/Utilities/FIRRetryHelper.h
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+/*
+ * Copyright 2017 Google
+ *
+ * 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.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface FIRRetryHelper : NSObject
+
+- (instancetype) initWithDispatchQueue:(dispatch_queue_t)dispatchQueue
+             minRetryDelayAfterFailure:(NSTimeInterval)minRetryDelayAfterFailure
+                         maxRetryDelay:(NSTimeInterval)maxRetryDelay
+                         retryExponent:(double)retryExponent
+                          jitterFactor:(double)jitterFactor;
+
+- (void) retry:(void (^)())block;
+
+- (void) cancel;
+
+- (void) signalSuccess;
+
+@end