package com.mossle.bpm.cmd;
import java.io.*;
import java.util.*;
import java.util.List;
import com.mossle.bpm.util.CustomProcessDiagramGenerator;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.history.HistoricActivityInstance;
import org.activiti.engine.history.HistoricTaskInstance;
import org.activiti.engine.impl.cmd.GetBpmnModelCmd;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.persistence.entity.ExecutionEntityManager;
import org.activiti.engine.impl.persistence.entity.HistoricActivityInstanceEntity;
import org.activiti.engine.impl.persistence.entity.HistoricProcessInstanceEntity;
import org.activiti.engine.impl.persistence.entity.HistoricProcessInstanceEntityManager;
import org.activiti.engine.impl.persistence.entity.HistoricTaskInstanceEntity;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
public class HistoryProcessInstanceDiagramCmd implements Command<InputStream> {
protected String historyProcessInstanceId;
public HistoryProcessInstanceDiagramCmd(String historyProcessInstanceId) {
this.historyProcessInstanceId = historyProcessInstanceId;
}
public InputStream execute(CommandContext commandContext) {
try {
CustomProcessDiagramGenerator customProcessDiagramGenerator = new CustomProcessDiagramGenerator();
return customProcessDiagramGenerator
.generateDiagram(historyProcessInstanceId);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}