package com.iailab.module.bpm.framework.flowable.core.listener.demo.exection;

import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.ObjectUtils;
import org.flowable.bpmn.model.FieldExtension;
import org.flowable.engine.delegate.DelegateExecution;
import org.flowable.engine.delegate.JavaDelegate;
import org.springframework.stereotype.Component;

import java.util.List;

/**
 * 类型为 delegateExpression 的 ExecutionListener 监听器示例
 *
 * 和 {@link DemoDelegateClassExecutionListener} 的差异是，需要注册到 Spring 中
 */
@Component
@Slf4j
public class DemoDelegateExpressionExecutionListener implements JavaDelegate {

    @Override
    public void execute(DelegateExecution execution) {
        log.info("[execute][execution({}) 执行监听器（委托表达式被调用）！变量有：{}]", execution.getId(),
                execution.getCurrentFlowableListener().getFieldExtensions());
        List<FieldExtension> fieldExtensions = execution.getCurrentFlowableListener().getFieldExtensions();
        if(ObjectUtils.isNotEmpty(fieldExtensions)) {
            fieldExtensions.stream().forEach(fieldExtension -> {
                System.out.println(fieldExtension.getFieldName());
                System.out.println(fieldExtension.getStringValue());
            });
        }
    }

}