| /* |
| * 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.schedule; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Set; |
| import java.util.concurrent.Callable; |
| import it.sauronsoftware.cron4j.Scheduler; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.GridKernalContext; |
| import org.apache.ignite.internal.util.GridConcurrentHashSet; |
| import org.apache.ignite.internal.util.typedef.X; |
| import org.apache.ignite.lang.IgniteCallable; |
| import org.apache.ignite.scheduler.SchedulerFuture; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Schedules cron-based execution of grid tasks and closures. |
| */ |
| public class IgniteScheduleProcessor extends IgniteScheduleProcessorAdapter { |
| /** Cron scheduler. */ |
| private Scheduler sched; |
| |
| /** Schedule futures. */ |
| private Set<SchedulerFuture<?>> schedFuts = new GridConcurrentHashSet<>(); |
| |
| /** |
| * @param ctx Kernal context. |
| */ |
| public IgniteScheduleProcessor(GridKernalContext ctx) { |
| super(ctx); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public SchedulerFuture<?> schedule(final Runnable c, String ptrn) { |
| assert c != null; |
| assert ptrn != null; |
| |
| ScheduleFutureImpl<Object> fut = new ScheduleFutureImpl<>(sched, ctx, ptrn); |
| |
| fut.schedule(new IgniteCallable<Object>() { |
| @Nullable @Override public Object call() { |
| c.run(); |
| |
| return null; |
| } |
| }); |
| |
| return fut; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public <R> SchedulerFuture<R> schedule(Callable<R> c, String pattern) { |
| assert c != null; |
| assert pattern != null; |
| |
| ScheduleFutureImpl<R> fut = new ScheduleFutureImpl<>(sched, ctx, pattern); |
| |
| fut.schedule(c); |
| |
| return fut; |
| } |
| |
| /** |
| * |
| * @return Future objects of currently scheduled active(not finished) tasks. |
| */ |
| public Collection<SchedulerFuture<?>> getScheduledFutures() { |
| return Collections.unmodifiableList(new ArrayList<>(schedFuts)); |
| } |
| |
| /** |
| * Removes future object from the collection of scheduled futures. |
| * |
| * @param fut Future object. |
| */ |
| void onDescheduled(SchedulerFuture<?> fut) { |
| assert fut != null; |
| |
| schedFuts.remove(fut); |
| } |
| |
| /** |
| * Adds future object to the collection of scheduled futures. |
| * |
| * @param fut Future object. |
| */ |
| void onScheduled(SchedulerFuture<?> fut) { |
| assert fut != null; |
| |
| schedFuts.add(fut); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void start() throws IgniteCheckedException { |
| sched = new Scheduler(); |
| |
| sched.start(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void stop(boolean cancel) throws IgniteCheckedException { |
| if (sched.isStarted()) |
| sched.stop(); |
| |
| sched = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void printMemoryStats() { |
| X.println(">>>"); |
| X.println(">>> Schedule processor memory stats [igniteInstanceName=" + ctx.igniteInstanceName() + ']'); |
| X.println(">>> schedFutsSize: " + schedFuts.size()); |
| } |
| } |