AccumulatorsKt

org.litote.kmongo.AccumulatorsKt

```
public class AccumulatorsKt
```

Constructor Detail
- AccumulatorsKt
```
public AccumulatorsKt()
```

Method Detail

sum

@NotNull
public static <T> com.mongodb.client.model.BsonField sum(@NotNull
                                                                  kotlin.reflect.KProperty<? extends T> $this$sum,
                                                                  T expression)

Gets a field name for a $group operation representing the sum of the values of the given expression when applied to all members of the group.

Parameters:: expression - the expression
Returns:: the field

avg

@NotNull
public static <T> com.mongodb.client.model.BsonField avg(@NotNull
                                                                  kotlin.reflect.KProperty<? extends T> $this$avg,
                                                                  T expression)

Gets a field name for a $group operation representing the average of the values of the given expression when applied to all members of the group.

Parameters:: expression - the expression
Returns:: the field

first

@NotNull
public static <T> com.mongodb.client.model.BsonField first(@NotNull
                                                                    kotlin.reflect.KProperty<? extends T> $this$first,
                                                                    T expression)

Gets a field name for a $group operation representing the value of the given expression when applied to the first member of the group.

Parameters:: expression - the expression
Returns:: the field

last

@NotNull
public static <T> com.mongodb.client.model.BsonField last(@NotNull
                                                                   kotlin.reflect.KProperty<? extends T> $this$last,
                                                                   T expression)

Gets a field name for a $group operation representing the value of the given expression when applied to the last member of the group.

Parameters:: expression - the expression
Returns:: the field

max

@NotNull
public static <T> com.mongodb.client.model.BsonField max(@NotNull
                                                                  kotlin.reflect.KProperty<? extends T> $this$max,
                                                                  T expression)

Gets a field name for a $group operation representing the maximum of the values of the given expression when applied to all members of the group.

Parameters:: expression - the expression
Returns:: the field

min

@NotNull
public static <T> com.mongodb.client.model.BsonField min(@NotNull
                                                                  kotlin.reflect.KProperty<? extends T> $this$min,
                                                                  T expression)

Gets a field name for a $group operation representing the minimum of the values of the given expression when applied to all members of the group.

Parameters:: expression - the expression
Returns:: the field

push

@NotNull
public static <T> com.mongodb.client.model.BsonField push(@NotNull
                                                                   kotlin.reflect.KProperty<? extends T> $this$push,
                                                                   T expression)

Gets a field name for a $group operation representing an array of all values that results from applying an expression to each document in a group of documents that share the same group by key.

Parameters:: expression - the expression
Returns:: the field

addToSet

@NotNull
public static <T> com.mongodb.client.model.BsonField addToSet(@NotNull
                                                                       kotlin.reflect.KProperty<? extends T> $this$addToSet,
                                                                       T expression)

Gets a field name for a $group operation representing all unique values that results from applying the given expression to each document in a group of documents that share the same group by key.

Parameters:: expression - the expression
Returns:: the field

stdDevPop

@NotNull
public static <T> com.mongodb.client.model.BsonField stdDevPop(@NotNull
                                                                        kotlin.reflect.KProperty<? extends T> $this$stdDevPop,
                                                                        T expression)

Gets a field name for a $group operation representing the sample standard deviation of the values of the given expression when applied to all members of the group.

Parameters:: expression - the expression
Returns:: the field

stdDevSamp

@NotNull
public static <T> com.mongodb.client.model.BsonField stdDevSamp(@NotNull
                                                                         kotlin.reflect.KProperty<? extends T> $this$stdDevSamp,
                                                                         T expression)