78 lines
2.5 KiB
Java
78 lines
2.5 KiB
Java
/*
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* The MIT License
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* Copyright © 2014-2019 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.throttling;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.atomic.AtomicLong;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* A class to keep track of the counter of different Tenants.
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*
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* @author drastogi
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*/
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public final class CallsCount {
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private static final Logger LOGGER = LoggerFactory.getLogger(CallsCount.class);
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private final Map<String, AtomicLong> tenantCallsCount = new ConcurrentHashMap<>();
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/**
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* Add a new tenant to the map.
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*
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* @param tenantName name of the tenant.
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*/
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public void addTenant(String tenantName) {
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tenantCallsCount.putIfAbsent(tenantName, new AtomicLong(0));
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}
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/**
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* Increment the count of the specified tenant.
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*
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* @param tenantName name of the tenant.
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*/
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public void incrementCount(String tenantName) {
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tenantCallsCount.get(tenantName).incrementAndGet();
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}
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/**
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* Get count of tenant based on tenant name.
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*
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* @param tenantName name of the tenant.
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* @return the count of the tenant.
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*/
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public long getCount(String tenantName) {
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return tenantCallsCount.get(tenantName).get();
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}
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/**
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* Resets the count of all the tenants in the map.
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*/
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public void reset() {
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LOGGER.debug("Resetting the map.");
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tenantCallsCount.replaceAll((k, v) -> new AtomicLong(0));
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}
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}
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