ch.sahits.codegen.java.input.db
Class MySQLConnection

java.lang.Object
  ch.sahits.codegen.java.input.db.DBConnection
      ch.sahits.codegen.java.input.db.MySQLConnection

Direct Known Subclasses:

MySQLConnectionModelGenerator

public class MySQLConnection
extends DBConnection

This class handles the connection to a MySQL DB. It queries the DB for the structure of a table.

Since:

0.9.0

Author:

Andi Hotz, (c) 2007

Field Summary

Fields inherited from class ch.sahits.codegen.java.input.db.DBConnection

conn, db, host, password, port, product, schema, table, user

Constructor Summary

MySQLConnection()
Default constructor

MySQLConnection(java.lang.String _product, java.lang.String hostname, java.lang.String uname, java.lang.String pwd, java.lang.String database, java.lang.String tablename, java.lang.String _packageName, java.lang.String _className, int _port, java.lang.String _schema)
Constructor initializes the connection data This constructor is only used for tests

Method Summary

protected java.lang.Class	convert2Java(java.lang.String type) Convert a database datatype into a Java type
static java.lang.Class	convert2JavaType(java.lang.String type) Convert the corresponding Java type for a database type
protected DataBaseTable	createDataBaseTable() Create the DataBaseTable with product specific data
java.lang.String	getConnectionDriverClass() Retrieve the driver class name for the JDBC connection
java.lang.String	getConnectionString() Retrieve the connection String for the specific database
protected java.lang.String	getConstraintFieldSQL(java.lang.String constraintName) Retrieve the SQL that gets you all fields of a constraint
protected java.lang.String	getIndexConstraintSQL() Retrieve the SQL that gets you the Index constraints
protected java.lang.String	getTableSQL() Retrieve the SQL that gets you the table definition
protected void	loadDriver() check if the driver is available

Methods inherited from class ch.sahits.codegen.java.input.db.DBConnection

addFields2Index, getConstraintsFields, getPort, getSchema, getStructure, init, isAutGenKey, setHost, setPassword, setPort, setProduct, setSchema, setTableName, setUserName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MySQLConnection

public MySQLConnection(java.lang.String _product,
                       java.lang.String hostname,
                       java.lang.String uname,
                       java.lang.String pwd,
                       java.lang.String database,
                       java.lang.String tablename,
                       java.lang.String _packageName,
                       java.lang.String _className,
                       int _port,
                       java.lang.String _schema)
                throws java.sql.SQLException

Constructor initializes the connection data This constructor is only used for tests

Parameters:

_product - what kind of DB (MySQL, PostgeSQL, Oracle, Derby, MS SQL Server, ...)

hostname - of the db eg. localhost

uname - user name to connect to the DB

pwd - password of the user

database - or schema of the table

tablename - table name

_packageName - name of the package

_className - name of the class

_port - number

_schema - name

Throws:

java.sql.SQLException - Connecting failed probably due to incorrect input

MySQLConnection

public MySQLConnection()

Default constructor

Method Detail

getConnectionString

public final java.lang.String getConnectionString()

Retrieve the connection String for the specific database

Specified by:

getConnectionString in class DBConnection

Returns:

connection string

Since:

0.9.4

getConstraintFieldSQL

protected final java.lang.String getConstraintFieldSQL(java.lang.String constraintName)

Retrieve the SQL that gets you all fields of a constraint

Specified by:

getConstraintFieldSQL in class DBConnection

Parameters:

constraintName - name of the constraint

Returns:

SQL

Since:

0.9.5

loadDriver

protected final void loadDriver()
                         throws java.lang.ClassNotFoundException

check if the driver is available

Specified by:

loadDriver in class DBConnection

Throws:

java.lang.ClassNotFoundException - JDBC driver not on classpath

getConnectionDriverClass

public final java.lang.String getConnectionDriverClass()

Retrieve the driver class name for the JDBC connection

Returns:

fully qualified driver class name

Since:

1.2.0

convert2JavaType

public static java.lang.Class convert2JavaType(java.lang.String type)

Convert the corresponding Java type for a database type

Parameters:

type - database type

Returns:

Java type

Since:

0.9.5

createDataBaseTable

protected final DataBaseTable createDataBaseTable()

Create the DataBaseTable with product specific data

Specified by:

createDataBaseTable in class DBConnection

Returns:

new DataBaseTable

Since:

0.9.5

getIndexConstraintSQL

protected final java.lang.String getIndexConstraintSQL()

Retrieve the SQL that gets you the Index constraints

Specified by:

getIndexConstraintSQL in class DBConnection

Returns:

SQL

Since:

0.9.5

getTableSQL

protected final java.lang.String getTableSQL()

Retrieve the SQL that gets you the table definition

Specified by:

getTableSQL in class DBConnection

Returns:

SQL

Since:

0.9.5

convert2Java

protected final java.lang.Class convert2Java(java.lang.String type)

Convert a database datatype into a Java type

Specified by:

convert2Java in class DBConnection

Parameters:

type - datatype

Returns:

Java type

Since:

0.9.5