org.springframework.data.couchbase.core

Interface ExecutableFindByQueryOperation.TerminatingFindByQuery<T>

All Superinterfaces:

OneAndAll<T>

All Known Subinterfaces:

ExecutableFindByQueryOperation.ExecutableFindByQuery<T>, ExecutableFindByQueryOperation.FindByQueryConsistentWith<T>, ExecutableFindByQueryOperation.FindByQueryInCollection<T>, ExecutableFindByQueryOperation.FindByQueryInScope<T>, ExecutableFindByQueryOperation.FindByQueryWithConsistency<T>, ExecutableFindByQueryOperation.FindByQueryWithDistinct<T>, ExecutableFindByQueryOperation.FindByQueryWithOptions<T>, ExecutableFindByQueryOperation.FindByQueryWithProjecting<T>, ExecutableFindByQueryOperation.FindByQueryWithProjection<T>, ExecutableFindByQueryOperation.FindByQueryWithQuery<T>

Enclosing interface:

ExecutableFindByQueryOperation

public static interface ExecutableFindByQueryOperation.TerminatingFindByQuery<T>
extends OneAndAll<T>

Terminating operations invoking the actual execution.

Method Summary

Modifier and Type	Method and Description
List<T>	all() Get all matching documents.
long	count() Get the number of matching elements.
boolean	exists() Check for the presence of matching elements.
default Optional<T>	first() Get the first or no result.
T	firstValue() Get the first or no result.
default Optional<T>	one() Get exactly zero or one result.
T	oneValue() Get exactly zero or one result.
Stream<T>	stream() Stream all matching elements.

Method Detail

one

default Optional<T> one()

Get exactly zero or one result.

Specified by:

one in interface OneAndAll<T>

Returns:

Optional.empty() if no match found.

Throws:

IncorrectResultSizeDataAccessException - if more than one match found.

oneValue

@Nullable
T oneValue()

Get exactly zero or one result.

Specified by:

oneValue in interface OneAndAll<T>

Returns:

null if no match found.

Throws:

IncorrectResultSizeDataAccessException - if more than one match found.

first

default Optional<T> first()

Get the first or no result.

Specified by:

first in interface OneAndAll<T>

Returns:

Optional.empty() if no match found.

firstValue

@Nullable
T firstValue()

Get the first or no result.

Specified by:

firstValue in interface OneAndAll<T>

Returns:

null if no match found.

all

List<T> all()

Get all matching documents.

Specified by:

all in interface OneAndAll<T>

Returns:

never null.

stream

Stream<T> stream()

Stream all matching elements.

Specified by:

stream in interface OneAndAll<T>

Returns:

a Stream of results. Never null.

count

long count()

Get the number of matching elements.

Specified by:

count in interface OneAndAll<T>

Returns:

total number of matching elements.

exists

boolean exists()

Check for the presence of matching elements.

Specified by:

exists in interface OneAndAll<T>

Returns:

true if at least one matching element exists.