Package io.quarkus.mongodb.panache.reactive.runtime

Class ReactivePanacheQueryImpl<Entity>

java.lang.Object

io.quarkus.mongodb.panache.reactive.runtime.ReactivePanacheQueryImpl<Entity>

All Implemented Interfaces:

ReactivePanacheQuery<Entity>

public class ReactivePanacheQueryImpl<Entity>
extends Object
implements ReactivePanacheQuery<Entity>

Constructor Summary

Constructors

Constructor	Description
ReactivePanacheQueryImpl(io.quarkus.mongodb.reactive.ReactiveMongoCollection<? extends Entity> collection, org.bson.conversions.Bson mongoQuery, org.bson.conversions.Bson sort)

Method Summary

Modifier and Type	Method	Description
io.smallrye.mutiny.Uni<Long>	count()	Reads and caches the total number of entities this query operates on.
<T extends Entity> ReactivePanacheQuery<T>	firstPage()	Sets the current page to the first page
<T extends Entity> io.smallrye.mutiny.Uni<T>	firstResult()	Returns the first result of the current page index.
<T extends Entity> io.smallrye.mutiny.Uni<Optional<T>>	firstResultOptional()	Returns the first result of the current page index.
io.smallrye.mutiny.Uni<Boolean>	hasNextPage()	Returns true if there is another page to read after the current one.
boolean	hasPreviousPage()	Returns true if there is a page to read before the current one.
<T extends Entity> io.smallrye.mutiny.Uni<ReactivePanacheQuery<T>>	lastPage()	Sets the current page to the last page.
<T extends Entity> io.smallrye.mutiny.Uni<List<T>>	list()	Returns the current page of results as a List.
<T extends Entity> ReactivePanacheQuery<T>	nextPage()	Sets the current page to the next page
Page	page()	Returns the current page.
<T extends Entity> ReactivePanacheQuery<T>	page(int pageIndex, int pageSize)	Sets the current page.
<T extends Entity> ReactivePanacheQuery<T>	page(Page page)	Sets the current page.
io.smallrye.mutiny.Uni<Integer>	pageCount()	Returns the total number of pages to be read using the current page size.
<T extends Entity> ReactivePanacheQuery<T>	previousPage()	Sets the current page to the previous page (or the first page if there is no previous page)
<T> ReactivePanacheQuery<T>	project(Class<T> type)	Defines a projection class: the getters, and the public fields, will be used to restrict which fields should be retrieved from the database.
<T extends Entity> ReactivePanacheQuery<T>	range(int startIndex, int lastIndex)	Switch the query to use a fixed range (start index - last index) instead of a page.
<T extends Entity> io.smallrye.mutiny.Uni<T>	singleResult()	Executes this query for the current page and return a single result.
<T extends Entity> io.smallrye.mutiny.Uni<Optional<T>>	singleResultOptional()	Executes this query for the current page and return a single result.
<T extends Entity> io.smallrye.mutiny.Multi<T>	stream()	Returns the current page of results as a Stream.
<T extends Entity> ReactivePanacheQuery<T>	withBatchSize(int batchSize)	Define the batch size for this query.
<T extends Entity> ReactivePanacheQuery<T>	withCollation(com.mongodb.client.model.Collation collation)	Define the collation used for this query.
<T extends Entity> ReactivePanacheQuery<T>	withReadPreference(com.mongodb.ReadPreference readPreference)	Define the read preference used for this query.

Methods inherited from class java.lang.Object

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

Constructor Details

ReactivePanacheQueryImpl

ReactivePanacheQueryImpl(io.quarkus.mongodb.reactive.ReactiveMongoCollection<? extends Entity> collection,
 org.bson.conversions.Bson mongoQuery,
 org.bson.conversions.Bson sort)

Method Details

project

public <T> ReactivePanacheQuery<T> project(Class<T> type)

Description copied from interface: ReactivePanacheQuery

Defines a projection class: the getters, and the public fields, will be used to restrict which fields should be retrieved from the database.

Specified by:

project in interface ReactivePanacheQuery<Entity>

Returns:

page

public <T extends Entity> ReactivePanacheQuery<T> page(Page page)

Description copied from interface: ReactivePanacheQuery

Sets the current page.

Specified by:

page in interface ReactivePanacheQuery<Entity>

Parameters:

page - the new page

Returns:

this query, modified

See Also:

• ReactivePanacheQuery.page(int, int)
• ReactivePanacheQuery.page()

page

public <T extends Entity> ReactivePanacheQuery<T> page(int pageIndex,
 int pageSize)

Description copied from interface: ReactivePanacheQuery

Sets the current page.

Specified by:

page in interface ReactivePanacheQuery<Entity>

Parameters:

pageIndex - the page index (0-based)

pageSize - the page size

Returns:

this query, modified

See Also:

• ReactivePanacheQuery.page(Page)
• ReactivePanacheQuery.page()

nextPage

public <T extends Entity> ReactivePanacheQuery<T> nextPage()

Description copied from interface: ReactivePanacheQuery

Sets the current page to the next page

Specified by:

nextPage in interface ReactivePanacheQuery<Entity>

Returns:

this query, modified

See Also:

• ReactivePanacheQuery.previousPage()

previousPage

public <T extends Entity> ReactivePanacheQuery<T> previousPage()

Description copied from interface: ReactivePanacheQuery

Sets the current page to the previous page (or the first page if there is no previous page)

Specified by:

previousPage in interface ReactivePanacheQuery<Entity>

Returns:

this query, modified

See Also:

• ReactivePanacheQuery.nextPage()

firstPage

public <T extends Entity> ReactivePanacheQuery<T> firstPage()

Description copied from interface: ReactivePanacheQuery

Sets the current page to the first page

Specified by:

firstPage in interface ReactivePanacheQuery<Entity>

Returns:

this query, modified

See Also:

• ReactivePanacheQuery.lastPage()

lastPage

public <T extends Entity>
io.smallrye.mutiny.Uni<ReactivePanacheQuery<T>> lastPage()

Description copied from interface: ReactivePanacheQuery

Sets the current page to the last page. This will cause reading of the entity count.

Specified by:

lastPage in interface ReactivePanacheQuery<Entity>

Returns:

this query, modified

See Also:

• ReactivePanacheQuery.firstPage()
• ReactivePanacheQuery.count()

hasNextPage

public io.smallrye.mutiny.Uni<Boolean> hasNextPage()

Description copied from interface: ReactivePanacheQuery

Returns true if there is another page to read after the current one. This will cause reading of the entity count.

Specified by:

hasNextPage in interface ReactivePanacheQuery<Entity>

Returns:

true if there is another page to read

See Also:

• ReactivePanacheQuery.hasPreviousPage()
• ReactivePanacheQuery.count()

hasPreviousPage

public boolean hasPreviousPage()

Description copied from interface: ReactivePanacheQuery

Returns true if there is a page to read before the current one.

Specified by:

hasPreviousPage in interface ReactivePanacheQuery<Entity>

Returns:

true if there is a previous page to read

See Also:

• ReactivePanacheQuery.hasNextPage()

pageCount

public io.smallrye.mutiny.Uni<Integer> pageCount()

Description copied from interface: ReactivePanacheQuery

Returns the total number of pages to be read using the current page size. This will cause reading of the entity count.

Specified by:

pageCount in interface ReactivePanacheQuery<Entity>

Returns:

the total number of pages to be read using the current page size.

page

public Page page()

Description copied from interface: ReactivePanacheQuery

Returns the current page.

Specified by:

page in interface ReactivePanacheQuery<Entity>

Returns:

the current page

See Also:

• ReactivePanacheQuery.page(Page)
• ReactivePanacheQuery.page(int,int)

range

public <T extends Entity> ReactivePanacheQuery<T> range(int startIndex,
 int lastIndex)

Description copied from interface: ReactivePanacheQuery

Switch the query to use a fixed range (start index - last index) instead of a page. As the range is fixed, subsequent pagination of the query is not possible.

Specified by:

range in interface ReactivePanacheQuery<Entity>

Parameters:

startIndex - the index of the first element, starting at 0

lastIndex - the index of the last element

Returns:

this query, modified

withCollation

public <T extends Entity> ReactivePanacheQuery<T> withCollation(com.mongodb.client.model.Collation collation)

Description copied from interface: ReactivePanacheQuery

Define the collation used for this query.

Specified by:

withCollation in interface ReactivePanacheQuery<Entity>

Parameters:

collation - the collation to be used for this query.

Returns:

this query, modified

withReadPreference

public <T extends Entity> ReactivePanacheQuery<T> withReadPreference(com.mongodb.ReadPreference readPreference)

Description copied from interface: ReactivePanacheQuery

Define the read preference used for this query.

Specified by:

withReadPreference in interface ReactivePanacheQuery<Entity>

Parameters:

readPreference - the read preference to be used for this query.

Returns:

this query, modified

withBatchSize

public <T extends Entity> ReactivePanacheQuery<T> withBatchSize(int batchSize)

Description copied from interface: ReactivePanacheQuery

Define the batch size for this query.

Specified by:

withBatchSize in interface ReactivePanacheQuery<Entity>

Parameters:

batchSize - the batch size to be used for this query.

Returns:

this query, modified

count

public io.smallrye.mutiny.Uni<Long> count()

Description copied from interface: ReactivePanacheQuery

Reads and caches the total number of entities this query operates on. This causes a database query with SELECT COUNT(*) and a query equivalent to the current query, minus ordering.

Specified by:

count in interface ReactivePanacheQuery<Entity>

Returns:

the total number of entities this query operates on, cached.

list

public <T extends Entity>
io.smallrye.mutiny.Uni<List<T>> list()

Description copied from interface: ReactivePanacheQuery

Returns the current page of results as a List.

Specified by:

list in interface ReactivePanacheQuery<Entity>

Returns:

the current page of results as a List.

See Also:

• ReactivePanacheQuery.page(Page)
• ReactivePanacheQuery.page()

stream

public <T extends Entity>
io.smallrye.mutiny.Multi<T> stream()

Description copied from interface: ReactivePanacheQuery

Returns the current page of results as a Stream.

Specified by:

stream in interface ReactivePanacheQuery<Entity>

Returns:

the current page of results as a Stream.

See Also:

• ReactivePanacheQuery.list()
• ReactivePanacheQuery.page(Page)
• ReactivePanacheQuery.page()

firstResult

public <T extends Entity> io.smallrye.mutiny.Uni<T> firstResult()

Description copied from interface: ReactivePanacheQuery

Returns the first result of the current page index. This ignores the current page size to fetch a single result.

Specified by:

firstResult in interface ReactivePanacheQuery<Entity>

Returns:

the first result of the current page index, or null if there are no results.

See Also:

• ReactivePanacheQuery.singleResult()

firstResultOptional

public <T extends Entity>
io.smallrye.mutiny.Uni<Optional<T>> firstResultOptional()

Description copied from interface: ReactivePanacheQuery

Returns the first result of the current page index. This ignores the current page size to fetch a single result.

Specified by:

firstResultOptional in interface ReactivePanacheQuery<Entity>

Returns:

if found, an optional containing the entity, else Optional.empty().

See Also:

• ReactivePanacheQuery.singleResultOptional()

singleResult

public <T extends Entity> io.smallrye.mutiny.Uni<T> singleResult()

Description copied from interface: ReactivePanacheQuery

Executes this query for the current page and return a single result.

Specified by:

singleResult in interface ReactivePanacheQuery<Entity>

Returns:

the single result.

See Also:

• ReactivePanacheQuery.firstResult()

singleResultOptional

public <T extends Entity>
io.smallrye.mutiny.Uni<Optional<T>> singleResultOptional()

Description copied from interface: ReactivePanacheQuery

Executes this query for the current page and return a single result.

Specified by:

singleResultOptional in interface ReactivePanacheQuery<Entity>

Returns:

if found, an optional containing the entity, else Optional.empty().

See Also:

• ReactivePanacheQuery.firstResultOptional()