org.apache.tuscany.das.rdb.impl
Class ApplyChangesCommandImpl

java.lang.Object
  org.apache.tuscany.das.rdb.impl.BaseCommandImpl
      org.apache.tuscany.das.rdb.impl.ApplyChangesCommandImpl

All Implemented Interfaces:

ApplyChangesCommand

public class ApplyChangesCommandImpl
extends BaseCommandImpl
implements ApplyChangesCommand

Field Summary

Fields inherited from class org.apache.tuscany.das.rdb.impl.BaseCommandImpl

configWrapper

Constructor Summary

ApplyChangesCommandImpl()

ApplyChangesCommandImpl(Config config)

ApplyChangesCommandImpl(Config config, java.sql.Connection connection)

Method Summary

void	addCreateCommand(commonj.sdo.Type type, Command cmd) Adds a user-provided create command.
void	addDeleteCommand(commonj.sdo.Type type, Command cmd) Adds a user-provided delete command.
void	addUpdateCommand(commonj.sdo.Type type, Command cmd) Adds a user-provided update command.
void	execute(commonj.sdo.DataObject root) The change history is scanned and modifications to the graph of data objects are flushed to the database.
void	setConnection(ConnectionImpl connection)
void	setConnection(ConnectionProperties c)

Methods inherited from class org.apache.tuscany.das.rdb.impl.BaseCommandImpl

addCollisionColumn, addConverter, addGeneratedPrimaryKey, addPrimaryKey, addPrimaryKey, addRelationship, addRelationship, setConnection, setConnection

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tuscany.das.rdb.ApplyChangesCommand

setConnection, setConnection

Constructor Detail

ApplyChangesCommandImpl

public ApplyChangesCommandImpl()

ApplyChangesCommandImpl

public ApplyChangesCommandImpl(Config config)

ApplyChangesCommandImpl

public ApplyChangesCommandImpl(Config config,
                               java.sql.Connection connection)

Method Detail

setConnection

public void setConnection(ConnectionImpl connection)

Specified by:

setConnection in class BaseCommandImpl

setConnection

public void setConnection(ConnectionProperties c)

addCreateCommand

public void addCreateCommand(commonj.sdo.Type type,
                             Command cmd)

Description copied from interface: ApplyChangesCommand

Adds a user-provided create command. In the absence of a user-provided command, the DAS will generate one. However this alternative may make sense if the user requires a SQL statement different from what the DAS generates.

Specified by:

addCreateCommand in interface ApplyChangesCommand

Parameters:

type - The DataObject type this command applys to

cmd - The Command used to INSERT data objects of the specified type

addUpdateCommand

public void addUpdateCommand(commonj.sdo.Type type,
                             Command cmd)

Description copied from interface: ApplyChangesCommand

Adds a user-provided update command. In the absence of a user-provided command, the DAS will generate one. However this alternative may make sense if the user requires a SQL statement different from what the DAS generates.

Specified by:

addUpdateCommand in interface ApplyChangesCommand

Parameters:

type - The DataObject type this command applys to

cmd - The Command used to UPDATE data objects of the specified type

addDeleteCommand

public void addDeleteCommand(commonj.sdo.Type type,
                             Command cmd)

Description copied from interface: ApplyChangesCommand

Adds a user-provided delete command. In the absence of a user-provided command, the DAS will generate one. However this alternative may make sense if the user requires a SQL statement different from what the DAS generates.

Specified by:

addDeleteCommand in interface ApplyChangesCommand

Parameters:

type - The DataObject type this command applys to

cmd - The Command used to DELETE data objects of the specified type

execute

public void execute(commonj.sdo.DataObject root)

Description copied from interface: ApplyChangesCommand

The change history is scanned and modifications to the graph of data objects are flushed to the database.

Specified by:

execute in interface ApplyChangesCommand

Parameters:

root - the topmost containing data object