| /* |
| * 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.raft.jraft.disruptor; |
| |
| import com.lmax.disruptor.BlockingWaitStrategy; |
| import com.lmax.disruptor.EventFactory; |
| import com.lmax.disruptor.WaitStrategy; |
| import com.lmax.disruptor.dsl.Disruptor; |
| import com.lmax.disruptor.dsl.ProducerType; |
| import java.util.concurrent.ThreadFactory; |
| import org.apache.ignite.raft.jraft.util.NamedThreadFactory; |
| import org.apache.ignite.raft.jraft.util.Requires; |
| |
| /** |
| * A builder to build a disruptor instance. |
| */ |
| public class DisruptorBuilder<T> { |
| private EventFactory<T> eventFactory; |
| private Integer ringBufferSize; |
| private ThreadFactory threadFactory = new NamedThreadFactory("Disruptor-", true); |
| private ProducerType producerType = ProducerType.MULTI; |
| private WaitStrategy waitStrategy = new BlockingWaitStrategy(); |
| |
| private DisruptorBuilder() { |
| } |
| |
| public static <T> DisruptorBuilder<T> newInstance() { |
| return new DisruptorBuilder<>(); |
| } |
| |
| public EventFactory<T> getEventFactory() { |
| return this.eventFactory; |
| } |
| |
| public DisruptorBuilder<T> setEventFactory(final EventFactory<T> eventFactory) { |
| this.eventFactory = eventFactory; |
| return this; |
| } |
| |
| public int getRingBufferSize() { |
| return this.ringBufferSize; |
| } |
| |
| public DisruptorBuilder<T> setRingBufferSize(final int ringBufferSize) { |
| this.ringBufferSize = ringBufferSize; |
| return this; |
| } |
| |
| public ThreadFactory getThreadFactory() { |
| return threadFactory; |
| } |
| |
| public DisruptorBuilder<T> setThreadFactory(ThreadFactory threadFactory) { |
| this.threadFactory = threadFactory; |
| return this; |
| } |
| |
| public ProducerType getProducerType() { |
| return this.producerType; |
| } |
| |
| public DisruptorBuilder<T> setProducerType(final ProducerType producerType) { |
| this.producerType = producerType; |
| return this; |
| } |
| |
| public WaitStrategy getWaitStrategy() { |
| return this.waitStrategy; |
| } |
| |
| public DisruptorBuilder<T> setWaitStrategy(final WaitStrategy waitStrategy) { |
| this.waitStrategy = waitStrategy; |
| return this; |
| } |
| |
| public Disruptor<T> build() { |
| Requires.requireNonNull(this.ringBufferSize, " Ring buffer size not set"); |
| Requires.requireNonNull(this.eventFactory, "Event factory not set"); |
| |
| return new Disruptor<>(this.eventFactory, this.ringBufferSize, this.threadFactory, this.producerType, |
| this.waitStrategy); |
| } |
| |
| } |