diff options
Diffstat (limited to 'java/com/google/gerrit/metrics/CallbackMetric1.java')
-rw-r--r-- | java/com/google/gerrit/metrics/CallbackMetric1.java | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/java/com/google/gerrit/metrics/CallbackMetric1.java b/java/com/google/gerrit/metrics/CallbackMetric1.java new file mode 100644 index 0000000000..1df88a6d66 --- /dev/null +++ b/java/com/google/gerrit/metrics/CallbackMetric1.java @@ -0,0 +1,42 @@ +// Copyright (C) 2015 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; + +/** + * Metric whose value is supplied when the trigger is invoked. + * + * @param <F1> type of the field. + * @param <V> type of the metric value, typically Integer or Long. + */ +public abstract class CallbackMetric1<F1, V> implements CallbackMetric<V> { + /** + * Supply the current value of the metric. + * + * @param field1 bucket to increment. + * @param value current value. + */ + public abstract void set(F1 field1, V value); + + /** + * Ensure a zeroed metric is created for the field value. + * + * @param field1 bucket to create. + */ + public abstract void forceCreate(F1 field1); + + /** Prune any submetrics that were not assigned during this trigger. */ + @Override + public void prune() {} +} |