Class ArrayOperators.Slice
java.lang.Object
org.springframework.data.mongodb.core.aggregation.ArrayOperators.Slice
- All Implemented Interfaces:
AggregationExpression
,MongoExpression
- Enclosing class:
- ArrayOperators
AggregationExpression
for $slice
.- Author:
- Christoph Strobl
-
Nested Class Summary
-
Method Summary
Modifier and TypeMethodDescriptionappend
(Object value, org.springframework.data.mongodb.core.aggregation.AbstractAggregationExpression.Expand expandList) Append the given key at the position in the underlyingLinkedHashMap
.Get the argument map.protected boolean
Check if the given key is available.protected <T> T
get
(int index) Get the value at a given index.protected <T> T
Get the value for a given key.protected String
protected boolean
itemCount
(int nrElements) Slice the number of elements.offset
(int position) Slice using offset and count.static ArrayOperators.Slice
sliceArrayOf
(String fieldReference) Creates newArrayOperators.Slice
.static ArrayOperators.Slice
sliceArrayOf
(Collection<?> values) Creates newArrayOperators.Slice
.static ArrayOperators.Slice
sliceArrayOf
(AggregationExpression expression) Creates newArrayOperators.Slice
.org.bson.Document
toDocument
(Object value, AggregationOperationContext context) org.bson.Document
toDocument
(AggregationOperationContext context) values()
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.springframework.data.mongodb.core.aggregation.AggregationExpression
toDocument
-
Method Details
-
getMongoMethod
-
sliceArrayOf
Creates newArrayOperators.Slice
.- Parameters:
fieldReference
- must not be null.- Returns:
- new instance of
ArrayOperators.Slice
.
-
sliceArrayOf
Creates newArrayOperators.Slice
.- Parameters:
expression
- must not be null.- Returns:
- new instance of
ArrayOperators.Slice
.
-
sliceArrayOf
Creates newArrayOperators.Slice
.- Parameters:
values
- must not be null.- Returns:
- new instance of
ArrayOperators.Slice
. - Since:
- 2.2
-
itemCount
Slice the number of elements.- Parameters:
nrElements
- elements to slice.- Returns:
- new instance of
ArrayOperators.Slice
.
-
offset
Slice using offset and count.- Parameters:
position
- the start position- Returns:
- new instance of
ArrayOperators.Slice.SliceElementsBuilder
to createArrayOperators.Slice
.
-
toDocument
Description copied from interface:AggregationExpression
- Specified by:
toDocument
in interfaceAggregationExpression
- Parameters:
context
- must not be null.- Returns:
- the MongoDB native (
Document
) form of the expression.
-
toDocument
-
asFields
-
append
-
append
-
append
-
appendTo
-
remove
-
appendAt
Append the given key at the position in the underlyingLinkedHashMap
.- Parameters:
index
-key
-value
-- Returns:
- Since:
- 3.1
-
values
-
get
protected <T> T get(int index) Get the value at a given index.- Type Parameters:
T
-- Parameters:
index
-- Returns:
- Since:
- 2.1
-
get
Get the value for a given key.- Type Parameters:
T
-- Parameters:
key
-- Returns:
- Since:
- 2.1
-
isArgumentMap
protected boolean isArgumentMap() -
argumentMap
Get the argument map.- Returns:
- Since:
- 2.1
-
contains
Check if the given key is available.- Parameters:
key
-- Returns:
- Since:
- 2.1
-