Class AccumulatorOperators.Max
java.lang.Object
org.springframework.data.mongodb.core.aggregation.AccumulatorOperators.Max
- All Implemented Interfaces:
AggregationExpression
,MongoExpression
- Enclosing class:
- AccumulatorOperators
AggregationExpression
for $max
.- Author:
- Christoph Strobl
-
Method Summary
Modifier and TypeMethodDescriptionCreates newAccumulatorOperators.Max
with all previously added arguments appending the given one.and
(AggregationExpression expression) Creates newAccumulatorOperators.Max
with all previously added arguments appending the given one.append
(Object value, org.springframework.data.mongodb.core.aggregation.AbstractAggregationExpression.Expand expandList) Append the given key at the position in the underlyingLinkedHashMap
.Get the argument map.protected boolean
Check if the given key is available.protected <T> T
get
(int index) Get the value at a given index.protected <T> T
Get the value for a given key.protected String
protected boolean
limit
(int numberOfResults) Creates newAccumulatorOperators.Max
that returns the given number of maximum values ($maxN).static AccumulatorOperators.Max
Creates newAccumulatorOperators.Max
.static AccumulatorOperators.Max
maxOf
(AggregationExpression expression) Creates newAccumulatorOperators.Max
.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
-
maxOf
Creates newAccumulatorOperators.Max
.- Parameters:
fieldReference
- must not be null.- Returns:
- new instance of
AccumulatorOperators.Max
.
-
maxOf
Creates newAccumulatorOperators.Max
.- Parameters:
expression
- must not be null.- Returns:
- new instance of
AccumulatorOperators.Max
.
-
and
Creates newAccumulatorOperators.Max
with all previously added arguments appending the given one.
NOTE: Only possible in$project
stage.- Parameters:
fieldReference
- must not be null.- Returns:
- new instance of
AccumulatorOperators.Max
.
-
and
Creates newAccumulatorOperators.Max
with all previously added arguments appending the given one.
NOTE: Only possible in$project
stage.- Parameters:
expression
- must not be null.- Returns:
- new instance of
AccumulatorOperators.Max
.
-
limit
Creates newAccumulatorOperators.Max
that returns the given number of maximum values ($maxN). NOTE: Cannot be used with more than one input value.- Parameters:
numberOfResults
-- Returns:
- new instance of
AccumulatorOperators.Max
.
-
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
-