org.sfm.jdbc.README.md Maven / Gradle / Ivy

JdbcMapper
---------

```java

public class MyDao {
    private final JdbcMapper mapper = 
    	JdbcMapperFactory.newInstance().newMapper(MyObject.class);
    public void printAllLambda(Writer writer, Connection conn) throws SQLException {
        try (PreparedStatement ps = 
        		conn.prepareStatement("select id, email, my_property from MyTable")) {
	        try (ResultSet rs = ps.executeQuery()){
	            mapper.forEach(rs, (o) -> writer.append(o.toString()).append("\n"));
	        }
        }
    }
    public void printAll(Writer writer, Connection conn) throws SQLException {
        try (PreparedStatement ps = 
        		conn.prepareStatement("select id, email, my_property from MyTable")) {
	        try (ResultSet rs = ps.executeQuery()){
	            mapper.forEach(rs, new RowHandler{
	            	public void handle(MyObject o) throws IOException { 
	            		writer.append(o.toString()).append("\n")); 
	            	}  
	            });
	        }
        }
    }
}
```