Use BatchPreparedStatementSetter : BatchPreparedStatementSetter « Spring « Java





Use BatchPreparedStatementSetter

       
File: context.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
    "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
      destroy-method="close">
  <property name="driverClassName" value="org.hsqldb.jdbcDriver"/>
  <property name="url" value="jdbc:hsqldb:mem:."/>
  <property name="username" value="sa"/>
  <property name="password" value=""/>
</bean>

<bean id="employeeDao" class="EmployeeDaoImpl">
  <property name="dataSource" ref="dataSource"/>
</bean>

</beans>


File: EmployeeDaoImpl.java

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.sql.DataSource;

import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.BatchPreparedStatementSetter;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.jdbc.core.SqlOutParameter;
import org.springframework.jdbc.core.SqlParameter;
import org.springframework.jdbc.core.simple.ParameterizedRowMapper;
import org.springframework.jdbc.core.simple.SimpleJdbcTemplate;
import org.springframework.jdbc.core.support.AbstractLobCreatingPreparedStatementCallback;
import org.springframework.jdbc.core.support.AbstractLobStreamingResultSetExtractor;
import org.springframework.jdbc.core.support.JdbcDaoSupport;
import org.springframework.jdbc.object.MappingSqlQuery;
import org.springframework.jdbc.object.SqlUpdate;
import org.springframework.jdbc.object.StoredProcedure;
import org.springframework.jdbc.support.lob.DefaultLobHandler;
import org.springframework.jdbc.support.lob.LobCreator;
import org.springframework.jdbc.support.lob.LobHandler;
import org.springframework.jdbc.support.nativejdbc.SimpleNativeJdbcExtractor;
import org.springframework.util.FileCopyUtils;

//import org.apache.commons.dbcp.BasicDataSource;


public class EmployeeDaoImpl extends JdbcDaoSupport{
  protected void initDao() throws Exception {
    super.initDao();
    getJdbcTemplate().setNativeJdbcExtractor(new SimpleNativeJdbcExtractor());

  }
  public void importEmployees(final List<Employee> employees) {
    getJdbcTemplate().batchUpdate(
        "INSERT INTO employee (name_first, name_middle, name_last, address_line1, "
            + "address_line2, address_city, address_state, address_zip, age) "
            + "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)", new BatchPreparedStatementSetter() {
          public void setValues(PreparedStatement ps, int i) throws SQLException {
            Employee employee = employees.get(i);
            ps.setString(1, employee.getName().getFirst());
            ps.setString(2, employee.getName().getMiddle());
            ps.setString(2, employee.getName().getLast());
            ps.setInt(9, employee.getAge());
          }

          public int getBatchSize() {
            return employees.size();
          }
        });
  }
}



class Employee {
  private Integer id;

  private Name name = new Name();

  private Integer age;

  private Sex sex;

  private Address address = new Address();

  private List<PhoneNumber> phoneNumbers = new ArrayList<PhoneNumber>();

  public Employee() {
  }

  public Employee(String firstName, String lastName) {
    this.getName().setFirst(firstName);
    this.getName().setLast(lastName);
  }

  void setId(Integer id) {
    this.id = id;
  }

  public Integer getId() {
    return id;
  }

  public Address getAddress() {
    return address;
  }

  public Integer getAge() {
    return age;
  }

  public void setAge(Integer age) {
    this.age = age;
  }

  public Name getName() {
    return name;
  }

  public List<PhoneNumber> getPhoneNumbers() {
    return Collections.unmodifiableList(phoneNumbers);
  }

  public void addPhoneNumber(PhoneNumber phoneNumber) {
    this.phoneNumbers.add(phoneNumber);
  }

  public void removePhoneNumber(PhoneNumber phoneNumber) {
    this.phoneNumbers.remove(phoneNumber);
  }

  public void removePhoneNumber(int index) {
    this.phoneNumbers.remove(index);
  }

  public Sex getSex() {
    return sex;
  }

  public void setSex(Sex sex) {
    this.sex = sex;
  }
}

abstract class Sex {

  public static final Sex MALE = new Male();

  public static final Sex FEMALE = new Female();

  public boolean equals(Object o) {
    if (o == null) {
      return false;
    }
    return getClass().equals(o.getClass());
  }
}

class PhoneNumber {

}

class Address {
  private String line1;

  private String line2;

  private String city;

  private String state;

  private String zip;

  public void setLine1(String line1) {
    this.line1 = line1;
  }

  public String getLine1() {
    return this.line1;
  }

  public void setLine2(String line2) {
    this.line2 = line2;
  }

  public String getLine2() {
    return this.line2;
  }

  public void setCity(String city) {
    this.city = city;
  }

  public String getCity() {
    return this.city;
  }

  public void setState(String state) {
    this.state = state;
  }

  public String getState() {
    return this.state;
  }

  public void setZip(String zip) {
    this.zip = zip;
  }

  public String getZip() {
    return this.zip;
  }
}

final class Male extends Sex {
  protected Male() {

  }
}

final class Female extends Sex {
  protected Female() {

  }
}


class Name {
  private String first;

  private String middle;

  private String last;

  public void setFirst(String first) {
    this.first = first;
  }

  public String getFirst() {
    return this.first;
  }

  public void setMiddle(String middle) {
    this.middle = middle;
  }

  public String getMiddle() {
    return this.middle;
  }

  public void setLast(String last) {
    this.last = last;
  }

  public String getLast() {
    return this.last;
  }
}


File: Main.java

import java.util.Date;
import java.util.GregorianCalendar;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

class Main {
  public static void main(String args[]) throws Exception {
    ApplicationContext ctx = new ClassPathXmlApplicationContext(
        "context.xml");
    EmployeeDaoImpl ws = (EmployeeDaoImpl) ctx.getBean("employeeDao");

  }
}




           
       










Spring-UseBatchPreparedStatementSetter.zip( 3,661 k)

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