org.apache.nifi.web.dao.impl

Class StandardSnippetDAO

java.lang.Object

org.apache.nifi.web.dao.impl.StandardSnippetDAO

All Implemented Interfaces:

SnippetDAO

public class StandardSnippetDAO
extends Object
implements SnippetDAO

Field Summary

Fields

Modifier and Type	Field and Description
private FlowController	flowController
private SnippetUtils	snippetUtils

Constructor Summary

Constructors

Constructor and Description
StandardSnippetDAO()

Method Summary

Methods

Modifier and Type	Method and Description
FlowSnippetDTO	copySnippet(String groupId, String snippetId, Double originX, Double originY) Creates a new snippet based off of an existing snippet.
Snippet	createSnippet(SnippetDTO snippetDTO) Creates a new snippet containing the specified components.
void	deleteSnippet(String snippetId) Deletes a snippet.
Snippet	getSnippet(String snippetId) Gets the specified snippet.
boolean	hasSnippet(String snippetId) Determines if the specified snippet exists.
private StandardSnippet	locateSnippet(String snippetId)
private void	lookupSensitiveProperties(FlowSnippetDTO snippet) Looks up the actual value for any sensitive properties from the specified snippet.
private void	lookupSensitiveProperties(Set<ProcessorDTO> processors) Looks up the actual value for any sensitive properties from the specified processors.
void	setFlowController(FlowController flowController)
void	setSnippetUtils(SnippetUtils snippetUtils)
Snippet	updateSnippet(SnippetDTO snippetDTO) Updates the specified snippet.
void	verifyDelete(String snippetId) Verifies the specified snippet can be removed.
void	verifyUpdate(SnippetDTO snippetDTO) Verifies the specified snippet can be updated.

Methods inherited from class java.lang.Object

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

Field Detail

flowController

private FlowController flowController

snippetUtils

private SnippetUtils snippetUtils

Constructor Detail

StandardSnippetDAO

public StandardSnippetDAO()

Method Detail

locateSnippet

private StandardSnippet locateSnippet(String snippetId)

copySnippet

public FlowSnippetDTO copySnippet(String groupId,
                         String snippetId,
                         Double originX,
                         Double originY)

Creates a new snippet based off of an existing snippet. Used for copying and pasting.

Specified by:

copySnippet in interface SnippetDAO

Parameters:

groupId -

originX -

originY -

Returns:

createSnippet

public Snippet createSnippet(SnippetDTO snippetDTO)

Creates a new snippet containing the specified components. Whether or not the snippet is linked will determine whether actions on this snippet actually affect the data flow.

Specified by:

createSnippet in interface SnippetDAO

Returns:

verifyDelete

public void verifyDelete(String snippetId)

Description copied from interface: SnippetDAO

Verifies the specified snippet can be removed.

Specified by:

verifyDelete in interface SnippetDAO

deleteSnippet

public void deleteSnippet(String snippetId)

Deletes a snippet. If the snippet is linked, also deletes the underlying components.

Specified by:

deleteSnippet in interface SnippetDAO

Parameters:

snippetId -

getSnippet

public Snippet getSnippet(String snippetId)

Description copied from interface: SnippetDAO

Gets the specified snippet.

Specified by:

getSnippet in interface SnippetDAO

Parameters:

snippetId - The snippet id

Returns:

The snippet

hasSnippet

public boolean hasSnippet(String snippetId)

Description copied from interface: SnippetDAO

Determines if the specified snippet exists.

Specified by:

hasSnippet in interface SnippetDAO

Returns:

verifyUpdate

public void verifyUpdate(SnippetDTO snippetDTO)

Description copied from interface: SnippetDAO

Verifies the specified snippet can be updated.

Specified by:

verifyUpdate in interface SnippetDAO

updateSnippet

public Snippet updateSnippet(SnippetDTO snippetDTO)

Updates the specified snippet. If the snippet is linked, the underlying components will be moved into the specified groupId.

Specified by:

updateSnippet in interface SnippetDAO

Returns:

lookupSensitiveProperties

private void lookupSensitiveProperties(FlowSnippetDTO snippet)

Looks up the actual value for any sensitive properties from the specified snippet.

Parameters:

snippet -

lookupSensitiveProperties

private void lookupSensitiveProperties(Set<ProcessorDTO> processors)

Looks up the actual value for any sensitive properties from the specified processors.

Parameters:

snippet -

setFlowController

public void setFlowController(FlowController flowController)

setSnippetUtils

public void setSnippetUtils(SnippetUtils snippetUtils)