Package guru.mikelue.jdut.operation

Class DefaultOperators

java.lang.Object

guru.mikelue.jdut.operation.DefaultOperators

public final class DefaultOperators
extends Object

Defines the name of operators.

This class defines two sets for default operators, DataGrainOperator and DataRowOperator.
In case you want to customize operation per DataRow, the ones are what you want.

See Also:

example for insertion of identity table on MS SQL server

Field Summary

Fields

Modifier and Type	Field	Description
static String	DELETE	As the name of DELETE(delete single data by key filter).
static String	DELETE_ALL	As the name of DELETE(delete all data of table).
static String	INSERT	As the name of INSERT(data must not be existing).
static String	NONE	As the name of NONE(do nothing).
static String	REFRESH	As the name of REFRESH(data may be or may not be existing).
static String	TRUNCATE	As the name of TRUNCATE(non-undo truncating of data of table).
static String	UPDATE	As the name of UPDATE(data must be existing).

Method Summary

Modifier and Type	Method	Description
static DataGrain	delete(Connection conn, DataGrain dataGrain)	Default operator of removal of a row of data.
static DataGrain	deleteAll(Connection conn, DataGrain dataGrain)	Default operator of removal of all data of a table.
static DataRow	doDelete(Connection conn, DataRow dataRow)	Default operator of delete.
static DataRow	doDeleteAll(Connection conn, DataRow dataRow)	Default operator of delete all.
static DataRow	doInsert(Connection conn, DataRow dataRow)	Default operator of insertion.
static DataRow	doRefresh(Connection conn, DataRow dataRow)	Default operator of refresh.
static DataRow	doTruncate(Connection conn, DataRow dataRow)	Default operator of truncate.
static DataRow	doUpdate(Connection conn, DataRow dataRow)	Default operator of update.
static DataGrain	insert(Connection conn, DataGrain dataGrain)	Default operator of insertion.
static DataGrain	none(Connection conn, DataGrain dataGrain)	Default operator of do nothing.
static DataGrain	refresh(Connection conn, DataGrain dataGrain)	Default operator of refresh(insert or update).
static DataGrain	truncate(Connection conn, DataGrain dataGrain)	Default operator of truncating table.
static DataGrain	update(Connection conn, DataGrain dataGrain)	Default operator of update.

Methods inherited from class java.lang.Object

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

Field Detail

INSERT

public static final String INSERT

As the name of INSERT(data must not be existing).

See Also:

Constant Field Values

UPDATE

public static final String UPDATE

As the name of UPDATE(data must be existing).

See Also:

Constant Field Values

REFRESH

public static final String REFRESH

As the name of REFRESH(data may be or may not be existing).

See Also:

Constant Field Values

DELETE

public static final String DELETE

As the name of DELETE(delete single data by key filter).

See Also:

Constant Field Values

DELETE_ALL

public static final String DELETE_ALL

As the name of DELETE(delete all data of table).

See Also:

Constant Field Values

TRUNCATE

public static final String TRUNCATE

As the name of TRUNCATE(non-undo truncating of data of table).

See Also:

Constant Field Values

NONE

public static final String NONE

As the name of NONE(do nothing).

See Also:

Constant Field Values

Method Detail

insert

public static DataGrain insert(Connection conn,
                               DataGrain dataGrain)
                        throws SQLException

Default operator of insertion. As lambda of DataGrainOperator.

Parameters:

conn - The connection object of initialized

dataGrain - The data grain to be processed

Returns:

input data grain

Throws:

SQLException - as the defined functional interface

update

public static DataGrain update(Connection conn,
                               DataGrain dataGrain)
                        throws SQLException

Default operator of update. As lambda of DataGrainOperator.

Parameters:

conn - The connection object of initialized

dataGrain - The data grain to be processed

Returns:

input data grain

Throws:

SQLException - as the defined functional interface

refresh

public static DataGrain refresh(Connection conn,
                                DataGrain dataGrain)
                         throws SQLException

Default operator of refresh(insert or update). As lambda of DataGrainOperator.

Parameters:

conn - The connection object of initialized

dataGrain - The data grain to be processed

Returns:

input data grain

Throws:

SQLException - as the defined functional interface

delete

public static DataGrain delete(Connection conn,
                               DataGrain dataGrain)
                        throws SQLException

Default operator of removal of a row of data. As lambda of DataGrainOperator.

Parameters:

conn - The connection object of initialized

dataGrain - The data grain to be processed

Returns:

input data grain

Throws:

SQLException - as the defined functional interface

deleteAll

public static DataGrain deleteAll(Connection conn,
                                  DataGrain dataGrain)
                           throws SQLException

Default operator of removal of all data of a table. As lambda of DataGrainOperator.

This operator is wrapped by TableBasedOperator(not thread-safe).

Parameters:

conn - The connection object of initialized

dataGrain - The data grain to be processed

Returns:

input data grain

Throws:

SQLException - as the defined functional interface

truncate

public static DataGrain truncate(Connection conn,
                                 DataGrain dataGrain)
                          throws SQLException

Default operator of truncating table. As lambda of DataGrainOperator.

This operator is wrapped by TableBasedOperator(not thread-safe).

Parameters:

conn - The connection object of initialized

dataGrain - The data grain to be processed

Returns:

input data grain

Throws:

SQLException - as the defined functional interface

none

public static DataGrain none(Connection conn,
                             DataGrain dataGrain)
                      throws SQLException

Default operator of do nothing. As lambda of DataGrainOperator.

Parameters:

conn - The connection object of initialized

dataGrain - The data grain to be processed

Returns:

input data grain

Throws:

SQLException - as the defined functional interface

doInsert

public static DataRow doInsert(Connection conn,
                               DataRow dataRow)
                        throws SQLException

Default operator of insertion. As lambda of DataRowOperator.

Parameters:

conn - The connection object of initialized

dataRow - The data row to be processed

Returns:

input data row

Throws:

SQLException - as the defined functional interface

doUpdate

public static DataRow doUpdate(Connection conn,
                               DataRow dataRow)
                        throws SQLException

Default operator of update. As lambda of DataRowOperator.

Parameters:

conn - The connection object of initialized

dataRow - The data row to be processed

Returns:

input data row

Throws:

SQLException - as the defined functional interface

doRefresh

public static DataRow doRefresh(Connection conn,
                                DataRow dataRow)
                         throws SQLException

Default operator of refresh. As lambda of DataRowOperator.

Parameters:

conn - The connection object of initialized

dataRow - The data row to be processed

Returns:

input data row

Throws:

SQLException - as the defined functional interface

doDelete

public static DataRow doDelete(Connection conn,
                               DataRow dataRow)
                        throws SQLException

Default operator of delete. As lambda of DataRowOperator.

Parameters:

conn - The connection object of initialized

dataRow - The data row to be processed

Returns:

input data row

Throws:

SQLException - as the defined functional interface

doDeleteAll

public static DataRow doDeleteAll(Connection conn,
                                  DataRow dataRow)
                           throws SQLException

Default operator of delete all. As lambda of DataRowOperator.

Parameters:

conn - The connection object of initialized

dataRow - The data row to be processed

Returns:

input data row

Throws:

SQLException - as the defined functional interface

See Also:

TableBasedOperator

doTruncate

public static DataRow doTruncate(Connection conn,
                                 DataRow dataRow)
                          throws SQLException

Default operator of truncate. As lambda of DataRowOperator.

Parameters:

conn - The connection object of initialized

dataRow - The data row to be processed

Returns:

input data row

Throws:

SQLException - as the defined functional interface

See Also:

TableBasedOperator