public/liteFlow
1
0
Fork 0
mirror of https://gitee.com/dromara/liteFlow.git synced 2026-05-14 12:12:08 +08:00
Code Issues Packages Projects Releases Wiki Activity

feature #I4HGOW 支持链路的前置和后置节点

Browse Source
This commit is contained in:
bryan31
2021-11-10 16:47:52 +08:00
parent 448fa82023
commit ecfebfdc19
20 changed files with 346 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/Chain.java
View File

@@ -16,6 +16,7 @@ import com.yomahub.liteflow.entity.data.Slot;
import com.yomahub.liteflow.entity.flow.parallel.CompletableFutureTimeout;
import com.yomahub.liteflow.entity.flow.parallel.ParallelSupplier;
import com.yomahub.liteflow.entity.flow.parallel.WhenFutureObj;
import com.yomahub.liteflow.enums.ConditionTypeEnum;
import com.yomahub.liteflow.enums.ExecuteTypeEnum;
import com.yomahub.liteflow.exception.FlowSystemException;
import com.yomahub.liteflow.exception.WhenExecuteException;
@@ -72,15 +73,31 @@ public class Chain implements Executable {
Slot slot = DataBus.getSlot(slotIndex);
//循环chain里包含的condition，每一个condition有可能是then，也有可能是when
//when的话为异步，用闭锁进行等待，所有when结束后才能进入下一个condition
for (Condition condition : conditionList) {
if (condition instanceof ThenCondition) {
for (Executable executableItem : condition.getNodeList()) {
//先把finally的节点过滤出来
List<Condition> finallyConditionList = conditionList.stream().filter(condition ->
condition.getConditionType().equals(ConditionTypeEnum.TYPE_FINALLY.getType())).collect(Collectors.toList());
//循环chain里包含的condition，每一个condition分四种类型：pre,then,when,finally
//这里conditionList其实已经是有序的，pre一定在最前面，finally一定在最后面
try{
for (Condition condition : conditionList) {
if (condition instanceof PreCondition){
for (Executable executableItem : condition.getNodeList()) {
executableItem.execute(slotIndex);
}
} else if (condition instanceof ThenCondition) {
for (Executable executableItem : condition.getNodeList()) {
executableItem.execute(slotIndex);
}
} else if (condition instanceof WhenCondition) {
executeAsyncCondition((WhenCondition) condition, slotIndex, slot.getRequestId());
}
}
}finally {
for (Condition finallyCondition : finallyConditionList){
for(Executable executableItem : finallyCondition.getNodeList()){
executableItem.execute(slotIndex);
}
} else if (condition instanceof WhenCondition) {
executeAsyncCondition((WhenCondition) condition, slotIndex, slot.getRequestId());
}
}
}

21
liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/FinallyCondition.java Normal file
View File

@@ -0,0 +1,21 @@
/**
* <p>Title: liteflow</p>
* <p>Description: 轻量级的组件式流程框架</p>
* @author Bryan.Zhang
* @email weenyc31@163.com
* @Date 2020/4/1
*/
package com.yomahub.liteflow.entity.flow;
/**
* 前置Condition
* @author Bryan.Zhang
* @since 2.6.4
*/
public class FinallyCondition extends Condition {
public FinallyCondition(Condition condition){
super(condition.getNodeList());
super.setConditionType(condition.getConditionType());
}
}

21
liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/PreCondition.java Normal file
View File

@@ -0,0 +1,21 @@
/**
* <p>Title: liteflow</p>
* <p>Description: 轻量级的组件式流程框架</p>
* @author Bryan.Zhang
* @email weenyc31@163.com
* @Date 2020/4/1
*/
package com.yomahub.liteflow.entity.flow;
/**
* 前置Condition
* @author Bryan.Zhang
* @since 2.6.4
*/
public class PreCondition extends Condition {
public PreCondition(Condition condition){
super(condition.getNodeList());
super.setConditionType(condition.getConditionType());
}
}

6
liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/ThenCondition.java
View File

@@ -7,18 +7,12 @@
*/
package com.yomahub.liteflow.entity.flow;
import java.util.List;
/**
* 串行器
* @author Bryan.Zhang
*/
public class ThenCondition extends Condition {
public ThenCondition(List<Executable> nodeList) {
super(nodeList);
}
public ThenCondition(Condition condition){
super(condition.getNodeList());
super.setConditionType(condition.getConditionType());

13
liteflow-core/src/main/java/com/yomahub/liteflow/entity/flow/WhenCondition.java
View File

@@ -7,25 +7,12 @@
*/
package com.yomahub.liteflow.entity.flow;
import java.util.List;
/**
* 并行器
* @author Bryan.Zhang
*/
public class WhenCondition extends Condition{
public WhenCondition(List<Executable> nodeList) {
super(nodeList);
super.setErrorResume(true);
}
public WhenCondition(List<Executable> nodeList, boolean errorResume) {
super(nodeList);
super.setErrorResume(errorResume);
}
public WhenCondition(Condition condition) {
super(condition.getNodeList());
super.setConditionType(condition.getConditionType());

4
liteflow-core/src/main/java/com/yomahub/liteflow/enums/ConditionTypeEnum.java
View File

@@ -2,7 +2,9 @@ package com.yomahub.liteflow.enums;
public enum ConditionTypeEnum {
TYPE_THEN("then","then"),
TYPE_WHEN("when","when")
TYPE_WHEN("when","when"),
TYPE_PRE("pre","pre"),
TYPE_FINALLY("finally","finally")
;
private String type;
private String name;

47
liteflow-core/src/main/java/com/yomahub/liteflow/parser/FlowParser.java
View File

@@ -4,9 +4,8 @@ import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.collection.ListUtil;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.ArrayUtil;
import com.yomahub.liteflow.entity.flow.Condition;
import com.yomahub.liteflow.entity.flow.ThenCondition;
import com.yomahub.liteflow.entity.flow.WhenCondition;
import com.google.common.collect.Lists;
import com.yomahub.liteflow.entity.flow.*;
import com.yomahub.liteflow.enums.ConditionTypeEnum;
import com.yomahub.liteflow.exception.ConfigErrorException;
import org.springframework.core.io.Resource;
@@ -15,12 +14,10 @@ import org.springframework.util.Assert;
import org.springframework.util.ResourceUtils;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.*;
/**
* 虽则Parser的抽象类，所有的parser需要继承这个抽象类
* @author guodongqing
* @since 2.5.0
*/
@@ -28,10 +25,15 @@ public abstract class FlowParser {
public abstract void parseMain(List<String> pathList) throws Exception;
public abstract void parse(List<String> contentList) throws Exception ;
public abstract void parse(List<String> contentList) throws Exception;
protected void buildBaseFlowConditions(List<Condition> conditionList,Condition condition){
if (condition.getConditionType().equals(ConditionTypeEnum.TYPE_THEN.getType())) {
protected void buildConditions(List<Condition> conditionList, Condition condition) {
//这里进行合并逻辑
//对于then来说，相邻的2个then会合并成一个condition
//对于when来说，相同组的when会合并成一个condition，不同组的when还是会拆开
if (condition.getConditionType().equals(ConditionTypeEnum.TYPE_PRE.getType())) {
conditionList.add(new PreCondition(condition));
} else if (condition.getConditionType().equals(ConditionTypeEnum.TYPE_THEN.getType())) {
if (conditionList.size() >= 1 &&
CollectionUtil.getLast(conditionList) instanceof ThenCondition) {
CollectionUtil.getLast(conditionList).getNodeList().addAll(condition.getNodeList());
@@ -46,24 +48,37 @@ public abstract class FlowParser {
} else {
conditionList.add(new WhenCondition(condition));
}
} else if (condition.getConditionType().equals(ConditionTypeEnum.TYPE_FINALLY.getType())) {
conditionList.add(new FinallyCondition(condition));
}
//每一次build之后，对conditionList进行排序，pre最前面，finally最后
//这里为什么要排序，因为在声明的时候，哪怕有人不把pre放最前，finally放最后，但最终也要确保是正确的顺序
CollectionUtil.sort(conditionList, (o1, o2) -> {
if (o1.getConditionType().equals(ConditionTypeEnum.TYPE_PRE.getType()) || o2.getConditionType().equals(ConditionTypeEnum.TYPE_FINALLY.getType())){
return -1;
} else if (o2.getConditionType().equals(ConditionTypeEnum.TYPE_PRE.getType()) || o1.getConditionType().equals(ConditionTypeEnum.TYPE_FINALLY.getType())){
return 1;
}
return 0;
});
}
/**
* 根据配置的ruleSource查找匹配的资源
* 根据配置的ruleSource查找匹配的资源
*/
protected Resource[] matchRuleResources(final List<String> pathList) throws IOException {
protected Resource[] matchRuleResources(final List<String> pathList) throws IOException {
Assert.notEmpty(pathList, "rule source must not be null");
List<Resource> allResource = new ArrayList<>();
for (String path : pathList){
for (String path : pathList) {
String locationPattern = path;
if (!locationPattern.startsWith(ResourceUtils.CLASSPATH_URL_PREFIX)) {
locationPattern = ResourceUtils.CLASSPATH_URL_PREFIX + locationPattern;
}
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
Resource[] resources = resolver.getResources(locationPattern);
if(ArrayUtil.isEmpty(resources)) {
if (ArrayUtil.isEmpty(resources)) {
throw new ConfigErrorException("config error,please check rule source property");
}
allResource.addAll(ListUtil.toList(resources));
@@ -72,7 +87,7 @@ public abstract class FlowParser {
//如果有多个资源，检查资源都是同一个类型，如果出现不同类型的配置，则抛出错误提示
Set<String> fileTypeSet = new HashSet<>();
allResource.forEach(resource -> fileTypeSet.add(FileUtil.extName(resource.getFilename())));
if (fileTypeSet.size() != 1){
if (fileTypeSet.size() != 1) {
throw new ConfigErrorException("config error,please use the same type of configuration");
}

5
liteflow-core/src/main/java/com/yomahub/liteflow/parser/JsonFlowParser.java
View File

@@ -131,14 +131,13 @@ public abstract class JsonFlowParser extends FlowParser {
String condArrayStr;
String[] condArray;
List<Executable> chainNodeList;
List<Condition> conditionList;
List<Condition> conditionList = new ArrayList<>();
String group;
String errorResume;
Condition condition;
String any;
String chainName = chainObject.getString("name");
JSONArray conditionArray = chainObject.getJSONArray("condition");
conditionList = new ArrayList<>();
for (Object o : conditionArray) {
JSONObject condObject = (JSONObject) o;
String condType = condObject.getString("type");
@@ -199,7 +198,7 @@ public abstract class JsonFlowParser extends FlowParser {
condition.setAny(any.equals(Boolean.TRUE.toString()));
condition.setConditionType(condType);
condition.setNodeList(chainNodeList);
super.buildBaseFlowConditions(conditionList, condition);
super.buildConditions(conditionList, condition);
}
FlowBus.addChain(chainName, new Chain(chainName, conditionList));
}

5
liteflow-core/src/main/java/com/yomahub/liteflow/parser/XmlFlowParser.java
View File

@@ -135,10 +135,9 @@ public abstract class XmlFlowParser extends FlowParser {
Condition condition;
Element condE;
List<Executable> chainNodeList;
List<Condition> conditionList;
List<Condition> conditionList = new ArrayList<>();
String chainName = e.attributeValue("name");
conditionList = new ArrayList<>();
for (Iterator<Element> it = e.elementIterator(); it.hasNext(); ) {
condE = it.next();
condArrayStr = condE.attributeValue("value");
@@ -198,7 +197,7 @@ public abstract class XmlFlowParser extends FlowParser {
condition.setAny(any.equals(Boolean.TRUE.toString()));
condition.setConditionType(condE.getName());
condition.setNodeList(chainNodeList);
super.buildBaseFlowConditions(conditionList, condition);
super.buildConditions(conditionList, condition);
}
FlowBus.addChain(chainName, new Chain(chainName, conditionList));
}