1 files changed, 33 insertions, 0 deletions
diff --git a/java/com/google/gerrit/metrics/MetricsReservoirConfig.java b/java/com/google/gerrit/metrics/MetricsReservoirConfig.java
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+++ b/java/com/google/gerrit/metrics/MetricsReservoirConfig.java
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+// Copyright (C) 2022 The Android Open Source Project
+//
+// 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.gerrit.metrics;
+
+import java.time.Duration;
+
+/** Configuration of the Metrics' reservoir type and size. */
+public interface MetricsReservoirConfig {
+
+  /** Returns the reservoir type. */
+  ReservoirType reservoirType();
+
+  /** Returns the reservoir window duration. */
+  Duration reservoirWindow();
+
+  /** Returns the number of samples that the reservoir can contain */
+  int reservoirSize();
+
+  /** Returns the alpha parameter of the ExponentiallyDecaying reservoir */
+  double reservoirAlpha();
+}