datamodule1.java

来自「Java编程精选集锦[科学出版社][2003]配套源码」· Java 代码 · 共 37 行

package internetbeansservlet;

import java.awt.*;
import java.awt.event.*;
import com.borland.dx.dataset.*;
import com.borland.dx.sql.dataset.*;

public class DataModule1 implements DataModule {
  private static DataModule1 myDM;
  Database database1 = new Database();
  QueryDataSet employee = new QueryDataSet();
  public static DataModule1 getDataModule() {
    if (myDM == null) {
      myDM = new DataModule1();
    }
    return myDM;
  }

  public DataModule1() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
    employee.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "SELECT EMP_NO,FIRST_NAME,LAST_NAME FROM EMPLOYEE", null, true, Load.ALL));
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:borland:dslocal:C:\\jbuilder5\\samples\\JDataStore\\datastores\\employee.jds", "Sample", "", false, "com.borland.datastore.jdbc.DataStoreDriver"));
  }
  public Database getDatabase1() {
    return database1;
  }
  public QueryDataSet getEmployee() {
    return employee;
  }
}