performancescriptlet.java

来自「利用jasperreports和Ireport做报表5」· Java 代码 · 共 91 行

package net.ensode.jasperbook;

import net.sf.jasperreports.engine.JRAbstractScriptlet;
import net.sf.jasperreports.engine.JRScriptletException;

public class PerformanceScriptlet extends JRAbstractScriptlet
{
  private long reportInitStartTime;
  private long reportInitEndTime;
  private long pageInitStartTime;
  private long pageInitEndTime;
  private long columnInitStartTime;
  private long columnInitEndTime;
  private long groupInitStartTime;
  private long groupInitEndTime;
  private long detailEvalStartTime;
  private long detailEvalEndTime;

  public void beforeReportInit() throws JRScriptletException
  {
    reportInitStartTime = System.currentTimeMillis();

  }

  public void afterReportInit() throws JRScriptletException
  {
    reportInitEndTime = System.currentTimeMillis();

    System.out.println("Report initialization took "
        + (reportInitEndTime - reportInitStartTime) + " milliseconds.");
  }

  public void beforePageInit() throws JRScriptletException
  {
    pageInitStartTime = System.currentTimeMillis();

  }

  public void afterPageInit() throws JRScriptletException
  {
    pageInitEndTime = System.currentTimeMillis();
    Integer pageNum = (Integer) getVariableValue("PAGE_NUMBER");

    System.out.println("Page " + pageNum + " initialization took "
        + (pageInitEndTime - pageInitStartTime) + " milliseconds.");
  }

  public void beforeColumnInit() throws JRScriptletException
  {
    columnInitStartTime = System.currentTimeMillis();

  }

  public void afterColumnInit() throws JRScriptletException
  {
    columnInitEndTime = System.currentTimeMillis();
    Integer columnNum = (Integer) getVariableValue("COLUMN_NUMBER");

    System.out.println("Column " + columnNum + " initialization took "
        + (columnInitEndTime - columnInitStartTime) + " milliseconds.");

  }

  public void beforeGroupInit(String groupName) throws JRScriptletException
  {
    groupInitStartTime = System.currentTimeMillis();
  }

  public void afterGroupInit(String groupName) throws JRScriptletException
  {
    groupInitEndTime = System.currentTimeMillis();

    System.out.println("Group " + groupName + " initialization took "
        + (groupInitEndTime - groupInitStartTime) + " milliseconds.");
  }

  public void beforeDetailEval() throws JRScriptletException
  {
    detailEvalStartTime = System.currentTimeMillis();
  }

  public void afterDetailEval() throws JRScriptletException
  {
    detailEvalEndTime = System.currentTimeMillis();

    System.out.println("Detail evaluation took "
        + (detailEvalEndTime - detailEvalStartTime) + " milliseconds.");
  }

}