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From eolivelli <...@git.apache.org>
Subject [GitHub] zookeeper pull request #582: ZOOKEEPER-3103 Pluggable metrics system for Zoo...
Date Sat, 28 Jul 2018 07:40:25 GMT
Github user eolivelli commented on a diff in the pull request:

    https://github.com/apache/zookeeper/pull/582#discussion_r205936167
  
    --- Diff: src/java/main/org/apache/zookeeper/metrics/Counter.java ---
    @@ -0,0 +1,47 @@
    +/**
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you 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 org.apache.zookeeper.metrics;
    +
    +/**
    + * A counter refers to a value which can only increase.
    + * Usually the value is reset when the process starts.
    + */
    +public interface Counter {
    +
    +    /**
    +     * Increment the value by one.
    +     */
    +    public default void inc() {
    --- End diff --
    
    Sure. Good catch


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