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package com.avaje.ebean.event;

import com.avaje.ebean.bean.BeanCollection;

/**
 * Used to override the finding implementation for a bean.
 * 
 * For beans that are not in a JDBC data source you can implement this handle
 * bean finding. For example, read a log file building each entry as a bean and
 * returning that.
 * 
 * 
 * There are a number of internal BeanFinders in Ebean to return meta data from
 * Ebean at runtime such as query execution statistics etc. See the beans in
 * com.avaje.ebean.meta and finders in com.avaje.ebean.server.meta.
 * 
 */
public interface BeanFinder {

  /**
   * Find a bean using its id or unique predicate.
   */
  public T find(BeanQueryRequest request);

  /**
   * Return a List, Set or Map for the given find request.
   * 
   * Note the returning object is cast to a List Set or Map so you do need to
   * get the return type right.
   * 
   */
  public BeanCollection findMany(BeanQueryRequest request);

}