| /** |
| * 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.jena.fuseki.server; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.jena.atlas.logging.Log; |
| |
| /** A collection of counters */ |
| public class CounterSet { |
| private Map<CounterName, Counter> counters = new HashMap<>(); |
| |
| public CounterSet() {} |
| |
| public Collection<CounterName> counters() { |
| return counters.keySet(); |
| } |
| |
| public void inc(CounterName c) { |
| get(c).inc(); |
| } |
| |
| public void dec(CounterName c) { |
| get(c).dec(); |
| } |
| |
| public long value(CounterName c) { |
| return get(c).value(); |
| } |
| |
| public void add(CounterName counterName) { |
| if ( counters.containsKey(counterName) ) { |
| Log.warn(CounterSet.class, "Duplicate counter in counter set: " + counterName); |
| return; |
| } |
| counters.put(counterName, new Counter()); |
| } |
| |
| public boolean contains(CounterName cn) { |
| return counters.containsKey(cn); |
| } |
| |
| public Counter get(CounterName cn) { |
| Counter c = counters.get(cn); |
| if ( c == null ) |
| Log.warn(CounterSet.class, "No counter in counter set: " + cn); |
| return c; |
| } |
| } |