Package org.graylog2.contentpacks.facades

Class StreamFacade

java.lang.Object

org.graylog2.contentpacks.facades.StreamFacade

All Implemented Interfaces:

EntityFacade<Stream>, EntityWithExcerptFacade<Stream,Stream>

public class StreamFacade
extends Object
implements EntityFacade<Stream>

Field Summary

Fields

Modifier and Type	Field	Description
static final ModelType	TYPE_V1

Constructor Summary

Constructors

Constructor	Description
StreamFacade(com.fasterxml.jackson.databind.ObjectMapper objectMapper, StreamService streamService, StreamRuleService streamRuleService, V20190722150700_LegacyAlertConditionMigration legacyAlertsMigration, IndexSetService indexSetService, UserService userService)

Method Summary

Modifier and Type	Method	Description
EntityExcerpt	createExcerpt(Stream stream)	Create an excerpt (id, type, title) of a native entity for display purposes.
NativeEntity<Stream>	createNativeEntity(Entity entity, Map<String,ValueReference> parameters, Map<EntityDescriptor,Object> nativeEntities, String username)	Create a native entity of type T from an entity model.
void	delete(Stream nativeEntity)	Delete the given native entity.
Optional<Entity>	exportEntity(EntityDescriptor entityDescriptor, EntityDescriptorIds entityDescriptorIds)	Create an exportable model of a native entity referenced by an EntityDescriptor including optional constraints.
Optional<NativeEntity<Stream>>	findExisting(Entity entity, Map<String,ValueReference> parameters)	Find an existing instance of the native entity described by the entity model.
Set<EntityExcerpt>	listEntityExcerpts()	Create entity excerpts of all native entities of type T.
Optional<NativeEntity<Stream>>	loadNativeEntity(NativeEntityDescriptor nativeEntityDescriptor)	Loads the native entity instance for the given native entity descriptor.
com.google.common.graph.Graph<Entity>	resolveForInstallation(Entity entity, Map<String,ValueReference> parameters, Map<EntityDescriptor,Entity> entities)	Create the dependency graph of an entity described by the given entity model during content pack installation.
com.google.common.graph.Graph<EntityDescriptor>	resolveNativeEntity(EntityDescriptor entityDescriptor)	Create the dependency graph of a native entity described by the given entity descriptor.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.graylog2.contentpacks.facades.EntityWithExcerptFacade

usesScopedEntities

Field Details

TYPE_V1

public static final ModelType TYPE_V1

Constructor Details

StreamFacade

@Inject
public StreamFacade(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
 StreamService streamService,
 StreamRuleService streamRuleService,
 V20190722150700_LegacyAlertConditionMigration legacyAlertsMigration,
 IndexSetService indexSetService,
 UserService userService)

Method Details

createNativeEntity

public NativeEntity<Stream> createNativeEntity(Entity entity,
 Map<String,ValueReference> parameters,
 Map<EntityDescriptor,Object> nativeEntities,
 String username)

Description copied from interface: EntityWithExcerptFacade

Create a native entity of type T from an entity model.

Specified by:

createNativeEntity in interface EntityWithExcerptFacade<Stream,Stream>

Parameters:

entity - the entity model from which a native entity should be created

parameters - user-provided parameters to resolve parameters in the entity model

nativeEntities - existing native entities to reference during the creation of the native entity

username - the name of the user creating the entity

Returns:

the created native entity wrapped in

See Also:

• Entity
• NativeEntity

findExisting

public Optional<NativeEntity<Stream>> findExisting(Entity entity,
 Map<String,ValueReference> parameters)

Description copied from interface: EntityWithExcerptFacade

Find an existing instance of the native entity described by the entity model.

Specified by:

findExisting in interface EntityWithExcerptFacade<Stream,Stream>

Parameters:

entity - the entity model from which a native entity should be created

parameters - user-provided parameters to resolve parameters in the entity model

Returns:

the existing native entity in the database wrapped in NativeEntity<T>, or Optional.empty() if the entity couldn't be found.

See Also:

• Entity
• NativeEntity

loadNativeEntity

public Optional<NativeEntity<Stream>> loadNativeEntity(NativeEntityDescriptor nativeEntityDescriptor)

Description copied from interface: EntityWithExcerptFacade

Loads the native entity instance for the given native entity descriptor.

Specified by:

loadNativeEntity in interface EntityWithExcerptFacade<Stream,Stream>

Parameters:

nativeEntityDescriptor - the native entity descriptor

Returns:

the existing native entity in the database wrapped in NativeEntity<T>, or Optional.empty() if the native entity doesn't exist.

delete

public void delete(Stream nativeEntity)

Description copied from interface: EntityWithExcerptFacade

Delete the given native entity.

Specified by:

delete in interface EntityWithExcerptFacade<Stream,Stream>

Parameters:

nativeEntity - The native entity to delete

createExcerpt

public EntityExcerpt createExcerpt(Stream stream)

Description copied from interface: EntityWithExcerptFacade

Create an excerpt (id, type, title) of a native entity for display purposes.

Specified by:

createExcerpt in interface EntityWithExcerptFacade<Stream,Stream>

Parameters:

stream - The native entity to create an excerpt of

Returns:

The entity excerpt of the native entity

See Also:

• EntityExcerpt

listEntityExcerpts

public Set<EntityExcerpt> listEntityExcerpts()

Description copied from interface: EntityWithExcerptFacade

Create entity excerpts of all native entities of type T.

Specified by:

listEntityExcerpts in interface EntityWithExcerptFacade<Stream,Stream>

Returns:

A collection of entity excerpts of all native entities of type T

See Also:

• EntityExcerpt

exportEntity

public Optional<Entity> exportEntity(EntityDescriptor entityDescriptor,
 EntityDescriptorIds entityDescriptorIds)

Description copied from interface: EntityWithExcerptFacade

Create an exportable model of a native entity referenced by an EntityDescriptor including optional constraints.

Specified by:

exportEntity in interface EntityWithExcerptFacade<Stream,Stream>

Parameters:

entityDescriptor - the descriptor of the native entity to export

entityDescriptorIds - the IDs for all entity descriptors

Returns:

an exportable (serializable) model of the entity including optional constraints, or Optional.empty() if the entity couldn't be found.

resolveNativeEntity

public com.google.common.graph.Graph<EntityDescriptor> resolveNativeEntity(EntityDescriptor entityDescriptor)

Description copied from interface: EntityWithExcerptFacade

Create the dependency graph of a native entity described by the given entity descriptor.

Specified by:

resolveNativeEntity in interface EntityWithExcerptFacade<Stream,Stream>

Parameters:

entityDescriptor - the descriptor of the native entity to resolve dependencies for

Returns:

A directed graph of the native entity with entity descriptors as nodes.

See Also:

• Graph

resolveForInstallation

public com.google.common.graph.Graph<Entity> resolveForInstallation(Entity entity,
 Map<String,ValueReference> parameters,
 Map<EntityDescriptor,Entity> entities)

Description copied from interface: EntityWithExcerptFacade

Create the dependency graph of an entity described by the given entity model during content pack installation.

Specified by:

resolveForInstallation in interface EntityWithExcerptFacade<Stream,Stream>

Parameters:

entity - the entity model to resolve dependencies for

Returns:

A directed graph of the native entity with entity models as nodes.

See Also:

• Graph