org.apache.nifi.web.dao.impl

Class StandardConnectionDAO

java.lang.Object

org.apache.nifi.web.dao.impl.ComponentDAO

org.apache.nifi.web.dao.impl.StandardConnectionDAO

All Implemented Interfaces:

ConnectionDAO

public class StandardConnectionDAO
extends ComponentDAO
implements ConnectionDAO

Field Summary

Fields

Modifier and Type	Field and Description
private FlowController	flowController

Constructor Summary

Constructors

Constructor and Description
StandardConnectionDAO()

Method Summary

Methods

Modifier and Type	Method and Description
private void	configureConnection(Connection connection, ConnectionDTO connectionDTO) Configures the specified connection using the specified dto.
Connection	createConnection(String groupId, ConnectionDTO connectionDTO) Creates a new Connection.
void	deleteConnection(String groupId, String id) Deletes the specified Connection.
Connection	getConnection(String groupId, String id) Gets the specified connection.
Set<Connection>	getConnections(String groupId) Gets all of the connections.
Set<Connection>	getConnectionsForSource(String groupId, String processorId) Gets the connections for the specified source processor.
boolean	hasConnection(String groupId, String id) Determines if the specified connection exists.
private Connection	locateConnection(ProcessGroup group, String id)
private Connection	locateConnection(String groupId, String id)
void	setFlowController(FlowController flowController)
Connection	updateConnection(String groupId, ConnectionDTO connectionDTO) Updates the specified Connection.
private List<String>	validateProposedConfiguration(String groupId, ConnectionDTO connectionDTO) Validates the proposed processor configuration.
void	verifyCreate(String groupId, ConnectionDTO connectionDTO) Verifies the create request can be processed.
void	verifyDelete(String groupId, String id) Verifies the delete request can be processed.
private void	verifyUpdate(Connection connection, ConnectionDTO connectionDTO)
void	verifyUpdate(String groupId, ConnectionDTO connectionDTO) Verifies the update request can be processed.

Methods inherited from class org.apache.nifi.web.dao.impl.ComponentDAO

isAnyNotNull, isNotNull, locateProcessGroup

Methods inherited from class java.lang.Object

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

Field Detail

flowController

private FlowController flowController

Constructor Detail

StandardConnectionDAO

public StandardConnectionDAO()

Method Detail

locateConnection

private Connection locateConnection(String groupId,
                          String id)

locateConnection

private Connection locateConnection(ProcessGroup group,
                          String id)

getConnection

public Connection getConnection(String groupId,
                       String id)

Gets the specified connection.

Specified by:

getConnection in interface ConnectionDAO

id - The connection id

Returns:

The connections

getConnectionsForSource

public Set<Connection> getConnectionsForSource(String groupId,
                                      String processorId)

Gets the connections for the specified source processor.

Specified by:

getConnectionsForSource in interface ConnectionDAO

Parameters:

groupId -

processorId -

Returns:

hasConnection

public boolean hasConnection(String groupId,
                    String id)

Determines if the specified connection exists. Returns false when either the group or connection do not exist.

Specified by:

hasConnection in interface ConnectionDAO

Parameters:

id -

Returns:

getConnections

public Set<Connection> getConnections(String groupId)

Gets all of the connections.

Specified by:

getConnections in interface ConnectionDAO

Returns:

The connections

configureConnection

private void configureConnection(Connection connection,
                       ConnectionDTO connectionDTO)

Configures the specified connection using the specified dto.

Parameters:

connection -

connectionDTO -

validateProposedConfiguration

private List<String> validateProposedConfiguration(String groupId,
                                         ConnectionDTO connectionDTO)

Validates the proposed processor configuration.

Parameters:

processorNode -

config -

Returns:

createConnection

public Connection createConnection(String groupId,
                          ConnectionDTO connectionDTO)

Creates a new Connection.

Specified by:

createConnection in interface ConnectionDAO

Parameters:

connectionDTO - The connection DTO

Returns:

The connection

verifyCreate

public void verifyCreate(String groupId,
                ConnectionDTO connectionDTO)

Description copied from interface: ConnectionDAO

Verifies the create request can be processed.

Specified by:

verifyCreate in interface ConnectionDAO

verifyUpdate

public void verifyUpdate(String groupId,
                ConnectionDTO connectionDTO)

Description copied from interface: ConnectionDAO

Verifies the update request can be processed.

Specified by:

verifyUpdate in interface ConnectionDAO

verifyUpdate

private void verifyUpdate(Connection connection,
                ConnectionDTO connectionDTO)

updateConnection

public Connection updateConnection(String groupId,
                          ConnectionDTO connectionDTO)

Updates the specified Connection.

Specified by:

updateConnection in interface ConnectionDAO

Parameters:

connectionDTO - The connection DTO

Returns:

The connection

verifyDelete

public void verifyDelete(String groupId,
                String id)

Description copied from interface: ConnectionDAO

Verifies the delete request can be processed.

Specified by:

verifyDelete in interface ConnectionDAO

deleteConnection

public void deleteConnection(String groupId,
                    String id)

Deletes the specified Connection.

Specified by:

deleteConnection in interface ConnectionDAO

Parameters:

id - The id of the connection

setFlowController

public void setFlowController(FlowController flowController)