configurableidgenerator.java

一个java工作流引擎

package org.jbpm.persistence.hibernate;

import java.io.*;
import java.sql.*;
import net.sf.hibernate.*;
import net.sf.hibernate.engine.*;
import net.sf.hibernate.id.*;
import org.jbpm.persistence.*;

public class ConfigurableIdGenerator implements IdentifierGenerator {
  
  // Hibernate creates an IdentifierGenerator for every persistent class.
  // The member idGenerator is static because that way, jbpm uses only one
  // IdGenerator for all its classes.
  
  private static IdGenerator idGenerator = null;
  
  public static void setIdGenerator( IdGenerator pIdGenerator ) {
    idGenerator = pIdGenerator;
  }

  public Serializable generate(SessionImplementor sessionImplementor, Object object) throws SQLException, HibernateException {
    return new Long( idGenerator.getNextId() );
  }
}