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package org.activiti.engine.impl;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;

import org.activiti.engine.history.HistoricData;
import org.activiti.engine.history.HistoricProcessInstance;
import org.activiti.engine.history.ProcessInstanceHistoryLog;

/**

 */
public class ProcessInstanceHistoryLogImpl implements ProcessInstanceHistoryLog {

  protected HistoricProcessInstance historicProcessInstance;

  protected List historicData = new ArrayList();

  public ProcessInstanceHistoryLogImpl(HistoricProcessInstance historicProcessInstance) {
    this.historicProcessInstance = historicProcessInstance;
  }

  @Override
  public String getId() {
    return historicProcessInstance.getId();
  }

  @Override
  public String getBusinessKey() {
    return historicProcessInstance.getBusinessKey();
  }

  @Override
  public String getProcessDefinitionId() {
    return historicProcessInstance.getProcessDefinitionId();
  }

  @Override
  public Date getStartTime() {
    return historicProcessInstance.getStartTime();
  }

  @Override
  public Date getEndTime() {
    return historicProcessInstance.getEndTime();
  }

  @Override
  public Long getDurationInMillis() {
    return historicProcessInstance.getDurationInMillis();
  }

  @Override
  public String getStartUserId() {
    return historicProcessInstance.getStartUserId();
  }

  @Override
  public String getStartActivityId() {
    return historicProcessInstance.getStartActivityId();
  }

  @Override
  public String getDeleteReason() {
    return historicProcessInstance.getDeleteReason();
  }

  @Override
  public String getSuperProcessInstanceId() {
    return historicProcessInstance.getSuperProcessInstanceId();
  }

  @Override
  public String getTenantId() {
    return historicProcessInstance.getTenantId();
  }

  @Override
  public List getHistoricData() {
    return historicData;
  }

  public void addHistoricData(HistoricData historicEvent) {
    historicData.add(historicEvent);
  }

  public void addHistoricData(Collection historicEvents) {
    historicData.addAll(historicEvents);
  }

  public void orderHistoricData() {
    Collections.sort(historicData, new Comparator() {
      @Override
      public int compare(HistoricData data1, HistoricData data2) {
        return data1.getTime().compareTo(data2.getTime());
      }
    });
  }

}