semorg.sql.tables
Class Conduct

java.lang.Object
  semorg.sql.tables.AbstractTable
      semorg.sql.tables.Conduct

public class Conduct
extends AbstractTable

Models the association "Conduct" between the classes Lecturer and Presentation: a Lecturer conducts a SeminarType (association has a * cardinality).

Field Summary

protected static String	conductDeleteString SQL query to delete a conduct record.
protected static String	conductInsertString SQL query to insert a conduct record.
private static String	createTableSQLString SQL statement for creating the table "conduct" (if not exists).
protected int	lecturerId The id of the lecturer.
static List<KeyPair>	lockedIds A list of id-pairs of locked records.
protected int	seminartypeId The id of the seminartype.
private static String	tableName The name of the corresponding table in the database.

Fields inherited from class semorg.sql.tables.AbstractTable

creationDate, modificationDate, NULL_ID

Constructor Summary

Conduct(int lecturerId, int seminartypeId, Timestamp creationDate, Timestamp modificationDate)
Creates an instance of the class Conduct with the given parameters.

Method Summary

static void	createConductTable(Statement statement) Creates the table "conduct" if it does not exist.
void	deleteFromDB() Delets a conduct record from the db using the conductDeleteString.
static Vector<DBColumn>	getColumns() Returns a vector of DBColumn instances according to the properties of the table "conduct".
int	getLecturerId()
int	getSeminartypeId()
void	insertIntoDB() Inserts a conduct record into the db using the conductInsertString.
static boolean	tableOK() Checks if the according DB table exists.

Methods inherited from class semorg.sql.tables.AbstractTable

addDBTableChangedListener, createExtendedQueryString, fireTableChangedEvent, getColumns, getCreationDate, getModificationDate, getNext, getPrevious, removeDBTableChangedListener, setModificationDate, tableOK

Methods inherited from class java.lang.Object

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

Field Detail

lockedIds

public static List<KeyPair> lockedIds

A list of id-pairs of locked records. This list is meant to prevent the manipulation / deletion of records whose association is currently edited.

lecturerId

protected int lecturerId

The id of the lecturer.

seminartypeId

protected int seminartypeId

The id of the seminartype.

tableName

private static String tableName

The name of the corresponding table in the database.

conductInsertString

protected static String conductInsertString

SQL query to insert a conduct record.

conductDeleteString

protected static String conductDeleteString

SQL query to delete a conduct record.

createTableSQLString

private static String createTableSQLString

SQL statement for creating the table "conduct" (if not exists).

Constructor Detail

Conduct

public Conduct(int lecturerId,
               int seminartypeId,
               Timestamp creationDate,
               Timestamp modificationDate)

Creates an instance of the class Conduct with the given parameters.

Method Detail

tableOK

public static boolean tableOK()

Checks if the according DB table exists.

Returns:

true, if the table is ok, false otherwise.

See Also:

AbstractTable.tableOK(String)

createConductTable

public static void createConductTable(Statement statement)
                               throws SQLException

Creates the table "conduct" if it does not exist.

Parameters:

statement - instance of the class Statement, which is used for executing the SQL statement createTableSQLString.

Throws:

SQLException - If the execution or closing of the given statement fails.

insertIntoDB

public void insertIntoDB()
                  throws SQLException

Inserts a conduct record into the db using the conductInsertString. Finally it fires a TableChangedEvent-Listener with the appropriate type.

Throws:

SQLException - If the creation, manipulation, execution or closing of a PreparedStatement instance used for querying the database fails.

See Also:

- overview of all listener types

deleteFromDB

public void deleteFromDB()
                  throws SQLException

Delets a conduct record from the db using the conductDeleteString. Finally it fires a TableChangedEvent-Listener with the appropriate type.

Throws:

SQLException - If the creation, manipulation, execution or closing of a PreparedStatement instance used for querying the database fails.

See Also:

- overview of all listener types

getColumns

public static Vector<DBColumn> getColumns()

Returns a vector of DBColumn instances according to the properties of the table "conduct".

Returns:

the vector of DBColumn instances according to the properties of the class Conduct.

See Also:

AbstractTable.getColumns(String tableAbbreviation)

getLecturerId

public int getLecturerId()

getSeminartypeId

public int getSeminartypeId()