| /* |
| * 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.console.demo.service; |
| |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.console.demo.AgentDemoUtils; |
| import org.apache.ignite.console.demo.task.DemoCancellableTask; |
| import org.apache.ignite.console.demo.task.DemoComputeTask; |
| import org.apache.ignite.resources.IgniteInstanceResource; |
| import org.apache.ignite.services.Service; |
| import org.apache.ignite.services.ServiceContext; |
| |
| /** |
| * Demo service. Run tasks on nodes. Run demo load on caches. |
| */ |
| public class DemoComputeLoadService implements Service { |
| /** Ignite instance. */ |
| @IgniteInstanceResource |
| private Ignite ignite; |
| |
| /** Thread pool to execute cache load operations. */ |
| private ScheduledExecutorService computePool; |
| |
| /** {@inheritDoc} */ |
| @Override public void cancel(ServiceContext ctx) { |
| if (computePool != null) |
| computePool.shutdownNow(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void init(ServiceContext ctx) throws Exception { |
| computePool = AgentDemoUtils.newScheduledThreadPool(2, "demo-compute-load-tasks"); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void execute(ServiceContext ctx) throws Exception { |
| computePool.scheduleWithFixedDelay(new Runnable() { |
| @Override public void run() { |
| try { |
| ignite.compute().withNoFailover() |
| .execute(DemoComputeTask.class, null); |
| } |
| catch (Throwable e) { |
| ignite.log().error("Task execution error", e); |
| } |
| } |
| }, 10, 3, TimeUnit.SECONDS); |
| |
| computePool.scheduleWithFixedDelay(new Runnable() { |
| @Override public void run() { |
| try { |
| ignite.compute().withNoFailover() |
| .execute(DemoCancellableTask.class, null); |
| } |
| catch (Throwable e) { |
| ignite.log().error("DemoCancellableTask execution error", e); |
| } |
| } |
| }, 10, 30, TimeUnit.SECONDS); |
| } |
| } |