java : add MyMyBatis

1 files changed, 81 insertions, 0 deletions

diff --git a/java/MyMyBatis/src/SqlConnection.java b/java/MyMyBatis/src/SqlConnection.java
new file mode 100644
index 0000000..57f2ea5
--- /dev/null
+++ b/java/MyMyBatis/src/SqlConnection.java
@@ -0,0 +1,81 @@
+package ch.asynk;
+
+import java.io.Reader;
+import java.util.List;
+
+import org.apache.ibatis.io.Resources;
+import org.apache.ibatis.jdbc.ScriptRunner;
+import org.apache.ibatis.mapping.Environment;
+import org.apache.ibatis.session.SqlSession;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.apache.ibatis.session.SqlSessionFactoryBuilder;
+import org.apache.ibatis.session.SqlSessionManager;
+import org.apache.ibatis.session.Configuration;
+import org.apache.ibatis.transaction.jdbc.JdbcTransactionFactory;
+import org.apache.ibatis.datasource.pooled.PooledDataSource;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class SqlConnection
+{
+    private Logger logger;
+    private SqlSessionManager manager;
+
+    public void info(String msg) { logger.info(msg); }
+    public void error(Exception e) { logger.error("SQL ERROR : " + e.getMessage()); }
+
+    public SqlConnection()
+    {
+        this.logger = logger = LoggerFactory.getLogger(Main.class);
+        PooledDataSource ds = new PooledDataSource("org.hsqldb.jdbcDriver", "jdbc:hsqldb:mem:test;sql.syntax_pgs=true;check_props=true", "username", "password");
+        ds.setDefaultAutoCommit(false);
+        // ds.setPoolMaximumActiveConnections();
+        // ds.setPoolMaximumIdleConnections();
+        // ds.setPoolMaximumCheckoutTime();
+        // ds.setPoolTimeToWait();
+        // ds.setPoolPingQuery();
+        // ds.setPoolPingEnabled();
+        // ds.setPoolPingConnectionsNotUsedFor();
+
+        Environment e = new Environment("default", new JdbcTransactionFactory(), ds);
+        // e.();
+
+        Configuration c = new Configuration(e);
+        // c.();
+
+        SqlSessionFactory ssf = new SqlSessionFactoryBuilder().build(c);
+        // ssf.();
+
+        SqlSessionManager sm = SqlSessionManager.newInstance(ssf);
+        // sm.();
+
+        this.manager = sm;
+    }
+
+    protected void registerMapper(String alias, Class<?> beanClass, Class<?> mapperClass)
+    {
+        logger.info("register "+alias+ " -> "+beanClass.getName()+" "+mapperClass.getName());
+        Configuration config = manager.getConfiguration();
+        config.addMapper(mapperClass);
+        config.getTypeAliasRegistry().registerAlias(alias, beanClass);
+    }
+
+    public void runScript(String filename) throws java.io.IOException
+    {
+        info("Run script : " + filename);
+        SqlSession session = manager.openSession();
+        Reader reader = Resources.getResourceAsReader(filename);
+        ScriptRunner runner = new ScriptRunner(session.getConnection());
+        runner.setLogWriter(null);
+        runner.runScript(reader);
+        reader.close();
+        session.close();
+    }
+
+    public SqlSession openSqlSession()
+    {
+        // no autocommit
+        return manager.openSession(false);
+    }
+}