com.livk.commons.spring.transaction.TransactionBatchOperations Maven / Gradle / Ivy
/*
* Copyright 2021-2024 spring-boot-extension the original author or authors.
*
* 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
*
* https://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.livk.commons.spring.transaction;
import com.google.common.collect.Lists;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import org.springframework.transaction.support.TransactionTemplate;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
/**
* Spring事务批量操作
*
* @author livk
* @deprecated 使用场景较少
*/
@Deprecated(since = "1.2.2", forRemoval = true)
@RequiredArgsConstructor
public class TransactionBatchOperations {
/**
* 默认操作SQL数量
*/
public static final Integer DEFAULT_NUM = 1000;
private final TransactionTemplate transactionTemplate;
@Setter
private Executor executor;
/**
* 创建TransactionBatchOperations
* @param transactionTemplate the transaction template
* @param executor the executor
*/
public TransactionBatchOperations(TransactionTemplate transactionTemplate, Executor executor) {
this(transactionTemplate);
this.executor = executor;
}
/**
* 批量执行
*
* 使用默认数量{@link #DEFAULT_NUM}
* @param 泛型
* @param dataList 带操作的数据
* @param ops 执行过程
*/
public void executeBatch(List dataList, Consumer> ops) {
executeBatch(dataList, DEFAULT_NUM, ops);
}
/**
* 批量执行
* @param 泛型
* @param dataList 带操作的数据
* @param batchNum 批次数量
* @param ops 执行过程
*/
public void executeBatch(List dataList, int batchNum, Consumer> ops) {
List> partition = Lists.partition(dataList, batchNum);
AtomicBoolean rollback = new AtomicBoolean(false);
List> futures = new ArrayList<>(partition.size());
partition.forEach(item -> {
CompletableFuture future = execute(() -> transactionTemplate.execute(status -> {
try {
ops.accept(item);
}
catch (Exception e) {
rollback.compareAndSet(false, true);
}
finally {
if (rollback.get()) {
status.setRollbackOnly();
}
}
return true;
}));
futures.add(future);
});
CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
if (rollback.get()) {
throw new RuntimeException();
}
}
private CompletableFuture execute(Runnable runnable) {
if (executor == null) {
return CompletableFuture.runAsync(runnable);
}
else {
return CompletableFuture.runAsync(runnable, executor);
}
}
}