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feature #I5RV4W 加强脚本和java之间的互动

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everywhere.z
2022-10-08 18:13:41 +08:00
parent f364bedf90
commit 979c4ea070
11 changed files with 142 additions and 31 deletions
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30
liteflow-script-plugin/liteflow-script-groovy/src/main/java/com/yomahub/liteflow/script/groovy/GroovyScriptExecutor.java
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@@ -1,8 +1,10 @@
package com.yomahub.liteflow.script.groovy;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import com.yomahub.liteflow.script.ScriptBeanManager;
import com.yomahub.liteflow.script.ScriptExecuteWrap;
import com.yomahub.liteflow.slot.DataBus;
import com.yomahub.liteflow.slot.Slot;
import com.yomahub.liteflow.script.ScriptExecutor;
@@ -49,42 +51,48 @@ public class GroovyScriptExecutor implements ScriptExecutor {
}
@Override
public Object execute(String currChainName, String nodeId, int slotIndex) {
public Object execute(ScriptExecuteWrap wrap) {
try{
if (!compiledScriptMap.containsKey(nodeId)){
String errorMsg = StrUtil.format("script for node[{}] is not loaded", nodeId);
if (!compiledScriptMap.containsKey(wrap.getNodeId())){
String errorMsg = StrUtil.format("script for node[{}] is not loaded", wrap.getNodeId());
throw new ScriptLoadException(errorMsg);
}
CompiledScript compiledScript = compiledScriptMap.get(nodeId);
CompiledScript compiledScript = compiledScriptMap.get(wrap.getNodeId());
Bindings bindings = new SimpleBindings();
//往脚本语言绑定表里循环增加绑定上下文的key
//key的规则为自定义上下文的simpleName
//比如你的自定义上下文为AbcContext，那么key就为:abcContext
//这里不统一放一个map的原因是考虑到有些用户会调用上下文里的方法，而不是参数，所以脚本语言的绑定表里也是放多个上下文
DataBus.getContextBeanList(slotIndex).forEach(o -> {
DataBus.getContextBeanList(wrap.getSlotIndex()).forEach(o -> {
String key = StrUtil.lowerFirst(o.getClass().getSimpleName());
bindings.put(key, o);
});
//放入主Chain的流程参数
Slot slot = DataBus.getSlot(slotIndex);
bindings.put("requestData", slot.getRequestData());
//把wrap对象转换成元数据map
Map<String, Object> metaMap = BeanUtil.beanToMap(wrap);
//在元数据里放入主Chain的流程参数
Slot slot = DataBus.getSlot(wrap.getSlotIndex());
metaMap.put("requestData", slot.getRequestData());
//如果有隐式流程，则放入隐式流程的流程参数
Object subRequestData = slot.getChainReqData(currChainName);
Object subRequestData = slot.getChainReqData(wrap.getCurrChainName());
if (ObjectUtil.isNotNull(subRequestData)){
bindings.put("subRequestData", subRequestData);
metaMap.put("subRequestData", subRequestData);
}
//往脚本上下文里放入元数据
bindings.put("_meta", metaMap);
//放入用户自己定义的bean
bindings.putAll(ScriptBeanManager.getScriptBeanMap());
return compiledScript.eval(bindings);
}catch (Exception e){
log.error(e.getMessage(), e);
String errorMsg = StrUtil.format("script execute error for node[{}]", nodeId);
String errorMsg = StrUtil.format("script execute error for node[{}]", wrap.getNodeId());
throw new ScriptExecuteException(errorMsg);
}
}