io.micronaut.data.operations.async

Interface AsyncRepositoryOperations

All Known Implementing Classes:

ExecutorAsyncOperations

public interface AsyncRepositoryOperations

Asynchronous operations for reading data from a backing implementations.

Since:

1.0.0

Author:

graemerocher

Method Summary

Modifier and Type	Method and Description
<T> java.util.concurrent.CompletionStage<java.lang.Long>	count(PagedQuery<T> pagedQuery) Counts all results for the given query.
<T> java.util.concurrent.CompletionStage<java.lang.Number>	deleteAll(BatchOperation<T> operation) Deletes all the entities of the given type.
java.util.concurrent.CompletionStage<java.lang.Number>	executeUpdate(PreparedQuery<?,java.lang.Number> preparedQuery) Executes an update for the given query and parameter values.
<T> java.util.concurrent.CompletionStage<java.lang.Boolean>	exists(PreparedQuery<T,java.lang.Boolean> preparedQuery) Check with an record exists for the given query.
<T> java.util.concurrent.CompletionStage<java.lang.Iterable<T>>	findAll(PagedQuery<T> pagedQuery) Finds all results for the given query.
<T,R> java.util.concurrent.CompletionStage<java.lang.Iterable<R>>	findAll(PreparedQuery<T,R> preparedQuery) Finds all results for the given query.
<T> java.util.concurrent.CompletionStage<T>	findOne(java.lang.Class<T> type, java.io.Serializable id) Find one by ID.
<T,R> java.util.concurrent.CompletionStage<R>	findOne(PreparedQuery<T,R> preparedQuery) Find one by Query.
<T> java.util.concurrent.CompletionStage<T>	findOptional(java.lang.Class<T> type, java.io.Serializable id) Find one by ID.
<T,R> java.util.concurrent.CompletionStage<R>	findOptional(PreparedQuery<T,R> preparedQuery) Find one by Query.
<R> java.util.concurrent.CompletionStage<Page<R>>	findPage(PagedQuery<R> pagedQuery) Find a page for the given entity and pageable.
java.util.concurrent.Executor	getExecutor()
<T> java.util.concurrent.CompletionStage<T>	persist(InsertOperation<T> operation) Persist the entity returning a possibly new entity.
<T> java.util.concurrent.CompletionStage<java.lang.Iterable<T>>	persistAll(BatchOperation<T> operation) Persist all the given entities.
<T> java.util.concurrent.CompletionStage<T>	update(UpdateOperation<T> operation) Updates the entity returning a possibly new entity.

Method Detail

getExecutor

@NonNull
java.util.concurrent.Executor getExecutor()

Returns:

The executor used by this async operations

findOne

@NonNull
<T> java.util.concurrent.CompletionStage<T> findOne(@NonNull
                                                             java.lang.Class<T> type,
                                                             @NonNull
                                                             java.io.Serializable id)

Find one by ID.

Type Parameters:

T - The generic type

Parameters:

type - The type

id - The id

Returns:

A completion stage that emits the result

Throws:

EmptyResultException - if the result couldn't be retrieved

exists

<T> java.util.concurrent.CompletionStage<java.lang.Boolean> exists(@NonNull
                                                                   PreparedQuery<T,java.lang.Boolean> preparedQuery)

Check with an record exists for the given query.

Type Parameters:

T - The declaring type

Parameters:

preparedQuery - The query

Returns:

True if it exists

findOne

@NonNull
<T,R> java.util.concurrent.CompletionStage<R> findOne(@NonNull
                                                               PreparedQuery<T,R> preparedQuery)

Find one by Query.

Type Parameters:

T - The generic resultType

R - The result type

Parameters:

preparedQuery - The prepared query

Returns:

A completion stage that emits the result

Throws:

EmptyResultException - if the result couldn't be retrieved

findOptional

@NonNull
<T> java.util.concurrent.CompletionStage<T> findOptional(@NonNull
                                                                  java.lang.Class<T> type,
                                                                  @NonNull
                                                                  java.io.Serializable id)

Find one by ID.

Type Parameters:

T - The generic type

Parameters:

type - The type

id - The id

Returns:

A completion stage that emits the result or null if there is no result

findOptional

@NonNull
<T,R> java.util.concurrent.CompletionStage<R> findOptional(@NonNull
                                                                    PreparedQuery<T,R> preparedQuery)

Find one by Query.

Type Parameters:

T - The generic resultType

R - The result type

Parameters:

preparedQuery - The prepared query

Returns:

A completion stage that emits the result or null if there is no result

findAll

@NonNull
<T> java.util.concurrent.CompletionStage<java.lang.Iterable<T>> findAll(PagedQuery<T> pagedQuery)

Finds all results for the given query.

Type Parameters:

T - The generic type

Parameters:

pagedQuery - The paged query

Returns:

A completion stage that emits the results

count

@NonNull
<T> java.util.concurrent.CompletionStage<java.lang.Long> count(PagedQuery<T> pagedQuery)

Counts all results for the given query.

Type Parameters:

T - The generic type

Parameters:

pagedQuery - The paged query

Returns:

A completion stage that emits the count as a long

findAll

@NonNull
<T,R> java.util.concurrent.CompletionStage<java.lang.Iterable<R>> findAll(@NonNull
                                                                                   PreparedQuery<T,R> preparedQuery)

Finds all results for the given query.

Type Parameters:

T - The entity type

R - The result type

Parameters:

preparedQuery - The prepared query

Returns:

A completion stage that emits an iterable with all results

persist

@NonNull
<T> java.util.concurrent.CompletionStage<T> persist(@NonNull
                                                             InsertOperation<T> operation)

Persist the entity returning a possibly new entity.

Type Parameters:

T - The generic type

Parameters:

operation - The entity operation

Returns:

A completion stage that emits the entity

update

@NonNull
<T> java.util.concurrent.CompletionStage<T> update(@NonNull
                                                            UpdateOperation<T> operation)

Updates the entity returning a possibly new entity.

Type Parameters:

T - The generic type

Parameters:

operation - The entity operation

Returns:

A completion stage that emits the entity

persistAll

@NonNull
<T> java.util.concurrent.CompletionStage<java.lang.Iterable<T>> persistAll(@NonNull
                                                                                    BatchOperation<T> operation)

Persist all the given entities.

Type Parameters:

T - The generic type

Parameters:

operation - The batch operation

Returns:

The entities, possibly mutated

executeUpdate

@NonNull
java.util.concurrent.CompletionStage<java.lang.Number> executeUpdate(@NonNull
                                                                              PreparedQuery<?,java.lang.Number> preparedQuery)

Executes an update for the given query and parameter values. If it is possible to return the number of objects updated, then do so.

Parameters:

preparedQuery - The prepared query

Returns:

A completion that emits a boolean true if successful

deleteAll

@NonNull
<T> java.util.concurrent.CompletionStage<java.lang.Number> deleteAll(@NonNull
                                                                              BatchOperation<T> operation)

Deletes all the entities of the given type.

Type Parameters:

T - The generic type

Parameters:

operation - The batch operation

Returns:

A completion that emits a boolean true if successful

findPage

@NonNull
<R> java.util.concurrent.CompletionStage<Page<R>> findPage(@NonNull
                                                                    PagedQuery<R> pagedQuery)

Find a page for the given entity and pageable.

Type Parameters:

R - The entity generic type

Parameters:

pagedQuery - The paged query

Returns:

The page type