io.micronaut.data.runtime.operations.internal

Class ReactiveEntitiesOperations<T,Exc extends java.lang.Exception>

java.lang.Object

io.micronaut.data.runtime.operations.internal.ReactiveEntitiesOperations<T,Exc>

Type Parameters:

T - The entity type

Exc - The exception

Direct Known Subclasses:

AbstractReactiveEntitiesOperations

@Internal
public abstract class ReactiveEntitiesOperations<T,Exc extends java.lang.Exception>
extends java.lang.Object

The reactive entities operations container.

Since:

3.3

Author:

Denis Stepanov

Field Summary

Fields

Modifier and Type	Field and Description
protected io.micronaut.core.convert.ConversionService<?>	conversionService
protected EntityEventListener<java.lang.Object>	entityEventListener
protected RuntimePersistentEntity<T>	persistentEntity

Constructor Summary

Constructors

Constructor and Description
ReactiveEntitiesOperations(EntityEventListener<java.lang.Object> entityEventListener, RuntimePersistentEntity<T> persistentEntity, io.micronaut.core.convert.ConversionService<?> conversionService)

Method Summary

Modifier and Type	Method and Description
protected abstract void	cascadePost(Relation.Cascade cascadeType) Cascade post operation.
protected abstract void	cascadePre(Relation.Cascade cascadeType) Cascade pre operation.
protected void	checkOptimisticLocking(long expected, long received) Compare the expected modifications and the received rows count.
protected abstract void	collectAutoPopulatedPreviousValues() Collect auto-populated values before pre-triggers modifies them.
void	delete() Delete one operation.
protected abstract void	execute() Execute update.
protected void	failed(java.lang.Exception e, java.lang.String operation)
abstract reactor.core.publisher.Flux<T>	getEntities()
void	persist() Persist one operation.
protected abstract void	triggerPost(java.util.function.Consumer<EntityEventContext<java.lang.Object>> fn) Trigger post-actions on EntityEventContext.
protected void	triggerPostPersist() Trigger the post persist event.
protected void	triggerPostRemove() Trigger the post remove event.
protected void	triggerPostUpdate() Trigger the post update event.
protected abstract boolean	triggerPre(java.util.function.Function<EntityEventContext<java.lang.Object>,java.lang.Boolean> fn) Trigger pre-actions on EntityEventContext.
protected boolean	triggerPrePersist() Trigger the pre persist event.
protected boolean	triggerPreRemove() Trigger the pre remove event.
protected boolean	triggerPreUpdate() Trigger the pre update event.
void	update() Update one operation.
protected T	updateEntityId(io.micronaut.core.beans.BeanProperty<T,java.lang.Object> identity, T entity, java.lang.Object id) Update entity id.
abstract void	veto(java.util.function.Predicate<T> predicate) Veto an entity.

Methods inherited from class java.lang.Object

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

Field Detail

entityEventListener

protected final EntityEventListener<java.lang.Object> entityEventListener

persistentEntity

protected final RuntimePersistentEntity<T> persistentEntity

conversionService

protected final io.micronaut.core.convert.ConversionService<?> conversionService

Constructor Detail

ReactiveEntitiesOperations

public ReactiveEntitiesOperations(EntityEventListener<java.lang.Object> entityEventListener,
                                  RuntimePersistentEntity<T> persistentEntity,
                                  io.micronaut.core.convert.ConversionService<?> conversionService)

Method Detail

getEntities

public abstract reactor.core.publisher.Flux<T> getEntities()

Returns:

The entities

checkOptimisticLocking

protected void checkOptimisticLocking(long expected,
                                      long received)

Compare the expected modifications and the received rows count. If not equals throw OptimisticLockException.

Parameters:

expected - The expected value

received - THe received value

persist

public void persist()

Persist one operation.

delete

public void delete()

Delete one operation.

update

public void update()

Update one operation.

failed

protected void failed(java.lang.Exception e,
                      java.lang.String operation)
               throws DataAccessException

Throws:

DataAccessException

cascadePre

protected abstract void cascadePre(Relation.Cascade cascadeType)

Cascade pre operation.

Parameters:

cascadeType - The cascade type

cascadePost

protected abstract void cascadePost(Relation.Cascade cascadeType)

Cascade post operation.

Parameters:

cascadeType - The cascade type

collectAutoPopulatedPreviousValues

protected abstract void collectAutoPopulatedPreviousValues()

Collect auto-populated values before pre-triggers modifies them.

execute

protected abstract void execute()
                         throws Exc extends java.lang.Exception

Execute update.

Throws:

Exc - The exception

Exc extends java.lang.Exception

veto

public abstract void veto(java.util.function.Predicate<T> predicate)

Veto an entity.

Parameters:

predicate - The veto predicate

updateEntityId

protected T updateEntityId(io.micronaut.core.beans.BeanProperty<T,java.lang.Object> identity,
                           T entity,
                           java.lang.Object id)

Update entity id.

Parameters:

identity - The identity property.

entity - The entity instance

id - The id instance

Returns:

The entity instance

triggerPrePersist

protected boolean triggerPrePersist()

Trigger the pre persist event.

Returns:

true if operation was vetoed

triggerPreUpdate

protected boolean triggerPreUpdate()

Trigger the pre update event.

Returns:

true if operation was vetoed

triggerPreRemove

protected boolean triggerPreRemove()

Trigger the pre remove event.

Returns:

true if operation was vetoed

triggerPostUpdate

protected void triggerPostUpdate()

Trigger the post update event.

triggerPostRemove

protected void triggerPostRemove()

Trigger the post remove event.

triggerPostPersist

protected void triggerPostPersist()

Trigger the post persist event.

triggerPre

protected abstract boolean triggerPre(java.util.function.Function<EntityEventContext<java.lang.Object>,java.lang.Boolean> fn)

Trigger pre-actions on EntityEventContext.

Parameters:

fn - The entity context function

Returns:

true if operation was vetoed

triggerPost

protected abstract void triggerPost(java.util.function.Consumer<EntityEventContext<java.lang.Object>> fn)

Trigger post-actions on EntityEventContext.

Parameters:

fn - The entity context function