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/*
* 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.calcite.avatica.metrics;
/**
* A mutable number.
*/
public interface Counter {
/**
* Increment {@code this} by 1.
*/
void increment();
/**
* Increment {@code this} by {@code n}.
*
* @param n The amount to increment.
*/
void increment(long n);
/**
* Decrement {@code this} by 1.
*/
void decrement();
/**
* Decrement {@code this} by {@code n}.
*
* @param n The amount to decrement.
*/
void decrement(long n);
}
// End Counter.java