src/org/objectweb/cjdbc/controller/cache/CacheStatistics.java

説明を見る。

package org.objectweb.cjdbc.controller.cache;

import org.objectweb.cjdbc.common.util.Stats;

public class CacheStatistics
{
  // Cache statistics
  private Stats select;
  private Stats hits;
  private Stats insert;
  private Stats update;
  private Stats uncacheable;
  private Stats delete;
  private Stats unknown;
  private Stats remove;
  private Stats create;
  private Stats drop;

  public CacheStatistics()
  {
    select = new Stats("select");
    hits = new Stats("hits");
    insert = new Stats("insert");
    update = new Stats("update");
    uncacheable = new Stats("uncacheable");
    delete = new Stats("delete");
    unknown = new Stats("unknown");
    remove = new Stats("remove");
    create = new Stats("create");
    drop = new Stats("drop");
  }

  public void reset()
  {
    select.reset();
    hits.reset();
    insert.reset();
    update.reset();
    uncacheable.reset();
    delete.reset();
    unknown.reset();
    remove.reset();
    create.reset();
    drop.reset();
  }

  public int getCreate()
  {
    return create.getCount();
  }

  public int getDelete()
  {
    return delete.getCount();
  }

  public int getDrop()
  {
    return drop.getCount();
  }

  public int getHits()
  {
    return hits.getCount();
  }

  public int getInsert()
  {
    return insert.getCount();
  }

  public int getRemove()
  {
    return remove.getCount();
  }

  public int getSelect()
  {
    return select.getCount();
  }

  public int getUnknown()
  {
    return unknown.getCount();
  }

  public int getUpdate()
  {
    return update.getCount();
  }

  public int getUncacheable()
  {
    return uncacheable.getCount();
  }

  public void addCreate()
  {
    create.incrementCount();
  }

  public void addDelete()
  {
    delete.incrementCount();
  }

  public void addDrop()
  {
    drop.incrementCount();
  }

  public void addHits()
  {
    hits.incrementCount();
  }

  public void addInsert()
  {
    insert.incrementCount();
  }

  public void addRemove()
  {
    remove.incrementCount();
  }

  public void addSelect()
  {
    select.incrementCount();
  }

  public void addUnknown()
  {
    unknown.incrementCount();
  }

  public void addUpdate()
  {
    update.incrementCount();
  }

  public void addUncacheable()
  {
    uncacheable.incrementCount();
  }

  public String[] getCacheStatsData()
  {
    String[] stats = new String[11];
    stats[0] = "" + getSelect();
    stats[1] = "" + getHits();
    stats[2] = "" + getInsert();
    stats[3] = "" + getUpdate();
    stats[4] = "" + getUncacheable();
    stats[5] = "" + getDelete();
    stats[6] = "" + getUnknown();
    stats[7] = "" + getRemove();
    stats[8] = "" + getCreate();
    stats[9] = "" + getDrop();
    stats[10] = "" + getCacheHitRatio();
    return stats;
  }

  public long getCacheHitRatio()
  {
    if (select.getCount() == 0)
      return 0;
    else
      return (long) ((float) hits.getCount() / (float) select.getCount() * 100.0);
  }
}

---