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/*
* Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.spi.impl.executionservice;
import com.hazelcast.map.MapLoader;
import com.hazelcast.internal.util.executor.ExecutorType;
import com.hazelcast.internal.util.executor.ManagedExecutorService;
import com.hazelcast.spi.impl.InternalCompletableFuture;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
/**
* A Service responsible for providing access to 'system' executors and customer executors.
*
* It also has functionality for scheduling tasks.
*/
public interface ExecutionService {
/**
* Name of the system executor.
*/
String SYSTEM_EXECUTOR = "hz:system";
/**
* Name of the async executor.
*/
String ASYNC_EXECUTOR = "hz:async";
/**
* Name of the scheduled executor.
*/
String SCHEDULED_EXECUTOR = "hz:scheduled";
/**
* Name of the client executor.
*/
String CLIENT_EXECUTOR = "hz:client";
/**
* Name of the client query executor.
*/
String CLIENT_QUERY_EXECUTOR = "hz:client-query";
/**
* Name of the client transaction executor.
*/
String CLIENT_BLOCKING_EXECUTOR = "hz:client-blocking-tasks";
/**
* Name of the query executor.
*/
String QUERY_EXECUTOR = "hz:query";
/**
* Name of the io executor.
*/
String IO_EXECUTOR = "hz:io";
/**
* Name of the offloadable executor.
*/
String OFFLOADABLE_EXECUTOR = "hz:offloadable";
/**
* Name of the map-loader executor that loads the entry values
* for a given key set locally on the member owning the partition
* which contains the keys. This is the executor you want to
* configure when you want to load more data from the database
* in parallel.
*
* @see MapLoader#loadAll(java.util.Collection)
*/
String MAP_LOADER_EXECUTOR = "hz:map-load";
/**
* The name of the executor that loads the entry keys and dispatches
* the keys to the partition owners for value loading.
*
* @see MapLoader#loadAllKeys()
*/
String MAP_LOAD_ALL_KEYS_EXECUTOR = "hz:map-loadAllKeys";
/**
* Name of the Management Center executor. Used to execute blocking tasks
* related with operations run by Management Center.
*/
String MC_EXECUTOR = "hz:mc";
/**
* @param name for the executor service
* @param poolSize the maximum number of threads to allow in the pool
* @param queueCapacity the queue to use for holding tasks before they are executed.
* @param type {@link ExecutorType#CACHED} or {@link ExecutorType#CONCRETE}
* @return the created managed executor service
*/
ManagedExecutorService register(String name, int poolSize, int queueCapacity, ExecutorType type);
/**
* This register method creates the executor only on @{@link ExecutorType#CONCRETE} type.
* The executors with @{@link ExecutorType#CACHED} types can not have custom thread factory since they will share the
* threads with other @{@link ExecutorType#CACHED} executors.
*
* @param name for the executor service
* @param poolSize the maximum number of threads to allow in the pool
* @param queueCapacity the queue to use for holding tasks before they are executed.
* @param threadFactory custom thread factory for the managed executor service.
* @return managed executor service
*/
ManagedExecutorService register(String name, int poolSize, int queueCapacity, ThreadFactory threadFactory);
ManagedExecutorService getExecutor(String name);
void shutdownExecutor(String name);
void execute(String name, Runnable command);
Future submit(String name, Runnable task);
Future submit(String name, Callable task);
ScheduledFuture schedule(Runnable command, long delay, TimeUnit unit);
ScheduledFuture schedule(String name, Runnable command, long delay, TimeUnit unit);
ScheduledFuture scheduleWithRepetition(Runnable command, long initialDelay, long period, TimeUnit unit);
ScheduledFuture scheduleWithRepetition(String name, Runnable command, long initialDelay, long period, TimeUnit unit);
TaskScheduler getGlobalTaskScheduler();
TaskScheduler getTaskScheduler(String name);
InternalCompletableFuture asCompletableFuture(Future future);
ExecutorService getDurable(String name);
ExecutorService getScheduledDurable(String name);
void executeDurable(String name, Runnable command);
ScheduledFuture scheduleDurable(String name, Runnable command, long delay, TimeUnit unit);
ScheduledFuture> scheduleDurable(String name, Callable command, long delay, TimeUnit unit);
ScheduledFuture scheduleDurableWithRepetition(String name, Runnable command,
long initialDelay, long period, TimeUnit unit);
void shutdownDurableExecutor(String name);
void shutdownScheduledDurableExecutor(String name);
}
