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February 14, 2012 18:15
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Mybatis Scala sample
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/* | |
* Copyright 2011 The myBatis Team | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
package org.mybatis.scala.samples | |
import org.mybatis.scala.mapping._ | |
import org.mybatis.scala.config._ | |
import org.mybatis.scala.session._ | |
// Model beans ================================================================= | |
class Person { | |
var id : Int = _ | |
var firstName : String = _ | |
var lastName : String = _ | |
} | |
// Data access layer =========================================================== | |
object DB { | |
// Simple select function | |
val findAll = new SelectList[String,Person] { | |
def xsql = | |
<xsql> | |
SELECT | |
id_ as id, | |
first_name_ as firstName, | |
last_name_ as lastName | |
FROM | |
person | |
WHERE | |
first_name_ LIKE #{{name}} | |
</xsql> | |
} | |
// Datasource configuration | |
val config = Configuration( | |
Environment( | |
"default", | |
new JdbcTransactionFactory(), | |
new PooledDataSource( | |
"org.postgresql.Driver", | |
"jdbc:postgresql://127.0.0.1:5432/scala", | |
"scala", | |
"test" | |
) | |
) | |
) | |
// Add the data access method to the default namespace | |
config += findAll | |
// Build the session manager | |
lazy val context = config.createPersistenceContext | |
} | |
// Application code ============================================================ | |
object SelectSample { | |
// Do the Magic ... | |
def main(args : Array[String]) : Unit = { | |
DB.context.readOnly { implicit session => | |
DB.findAll("%a%").foreach { p => | |
println( "Person(%d): %s %s".format(p.id, p.firstName, p.lastName) ) | |
} | |
} | |
} | |
} |
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