| /* |
| * 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.ignite.internal.processors.service; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.ignite.services.Service; |
| import org.apache.ignite.services.ServiceContext; |
| |
| /** |
| * Dummy service. |
| */ |
| public class DummyService implements Service { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Inited counter per service. */ |
| public static final ConcurrentMap<String, AtomicInteger> started = new ConcurrentHashMap<>(); |
| |
| /** Started counter per service. */ |
| public static final ConcurrentMap<String, AtomicInteger> inited = new ConcurrentHashMap<>(); |
| |
| /** Latches per service. */ |
| private static final ConcurrentMap<String, CountDownLatch> exeLatches = new ConcurrentHashMap<>(); |
| |
| /** Cancel latches per service. */ |
| private static final ConcurrentMap<String, CountDownLatch> cancelLatches = new ConcurrentHashMap<>(); |
| |
| /** Cancelled flags per service. */ |
| private static final ConcurrentMap<String, AtomicInteger> cancelled = new ConcurrentHashMap<>(); |
| |
| /** {@inheritDoc} */ |
| @Override public void cancel(ServiceContext ctx) { |
| AtomicInteger cntr = cancelled.get(ctx.name()); |
| |
| if (cntr == null) { |
| AtomicInteger old = cancelled.putIfAbsent(ctx.name(), cntr = new AtomicInteger()); |
| |
| if (old != null) |
| cntr = old; |
| } |
| |
| cntr.incrementAndGet(); |
| |
| CountDownLatch latch = cancelLatches.get(ctx.name()); |
| |
| if (latch != null) |
| latch.countDown(); |
| |
| System.out.println("Cancelling service: " + ctx.name()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void init(ServiceContext ctx) throws Exception { |
| AtomicInteger cntr = inited.get(ctx.name()); |
| |
| if (cntr == null) { |
| AtomicInteger old = inited.putIfAbsent(ctx.name(), cntr = new AtomicInteger()); |
| |
| if (old != null) |
| cntr = old; |
| } |
| |
| cntr.incrementAndGet(); |
| |
| System.out.println("Initializing service: " + ctx.name()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void execute(ServiceContext ctx) { |
| AtomicInteger cntr = started.get(ctx.name()); |
| |
| if (cntr == null) { |
| AtomicInteger old = started.putIfAbsent(ctx.name(), cntr = new AtomicInteger()); |
| |
| if (old != null) |
| cntr = old; |
| } |
| |
| cntr.incrementAndGet(); |
| |
| System.out.println("Executing service: " + ctx.name()); |
| |
| CountDownLatch latch = exeLatches.get(ctx.name()); |
| |
| if (latch != null) |
| latch.countDown(); |
| } |
| |
| /** |
| * @param name Service name. |
| * @return Cancelled flag. |
| */ |
| public static int cancelled(String name) { |
| AtomicInteger cntr = cancelled.get(name); |
| |
| return cntr == null ? 0 : cntr.get(); |
| } |
| |
| /** |
| * @param name Service name. |
| * @return Started counter. |
| */ |
| public static int started(String name) { |
| AtomicInteger cntr = started.get(name); |
| |
| return cntr == null ? 0 : cntr.get(); |
| } |
| |
| /** |
| * Resets dummy service to initial state. |
| */ |
| public static void reset() { |
| System.out.println("Resetting dummy service."); |
| |
| started.clear(); |
| exeLatches.clear(); |
| cancelled.clear(); |
| } |
| |
| /** |
| * @param name Service name. |
| * @param latch Count down latch. |
| */ |
| public static void exeLatch(String name, CountDownLatch latch) { |
| exeLatches.put(name, latch); |
| } |
| |
| /** |
| * @param name Service name. |
| * @param latch Cancel latch. |
| */ |
| public static void cancelLatch(String name, CountDownLatch latch) { |
| cancelLatches.put(name, latch); |
| } |
| } |