public static class ArithmeticOperators.Round extends Object
ArithmeticOperators.Round
rounds a number to a whole integer or to a specified decimal place.
place(int)
resolves to a positive integer, $round
rounds to the given decimal
places.place(int)
resolves to a negative integer, $round
rounds to the left of the
decimal.place(int)
resolves to a zero, $round
rounds using the first digit to the right of the
decimal.Modifier and Type | Class and Description |
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protected static class |
AbstractAggregationExpression.Expand
Expand a nested list of values to single entries or keep the list.
|
Modifier and Type | Method and Description |
---|---|
protected List<Object> |
append(Object value) |
protected List<Object> |
append(Object value,
AbstractAggregationExpression.Expand expandList) |
protected Map<String,Object> |
append(String key,
Object value) |
protected Map<String,Object> |
argumentMap()
Get the argument map.
|
protected static List<Field> |
asFields(String... fieldRefs) |
protected boolean |
contains(Object key)
Check if the given key is available.
|
protected <T> T |
get(int index)
Get the value at a given index.
|
protected <T> T |
get(Object key)
Get the value for a given key.
|
protected String |
getMongoMethod() |
ArithmeticOperators.Round |
place(int place)
The place to round to.
|
ArithmeticOperators.Round |
placeOf(AggregationExpression expression)
The place to round to defined by an expression that resolves to an integer between -20 and 100, exclusive.
|
ArithmeticOperators.Round |
placeOf(String fieldReference)
The place to round to defined by via a field reference that resolves to an integer between -20 and 100,
exclusive.
|
static ArithmeticOperators.Round |
round(Number value)
Round the given numeric (integer, double, decimal, or long) value.
|
static ArithmeticOperators.Round |
roundValueOf(AggregationExpression expression)
Round the outcome of the given expression hat resolves to an integer, double, decimal, or long.
|
static ArithmeticOperators.Round |
roundValueOf(String fieldReference)
Round the value of the field that resolves to an integer, double, decimal, or long.
|
org.bson.Document |
toDocument(AggregationOperationContext context)
|
org.bson.Document |
toDocument(Object value,
AggregationOperationContext context) |
protected List<Object> |
values() |
public static ArithmeticOperators.Round roundValueOf(String fieldReference)
fieldReference
- must not be null.ArithmeticOperators.Round
.public static ArithmeticOperators.Round roundValueOf(AggregationExpression expression)
expression
- must not be null.ArithmeticOperators.Round
.public static ArithmeticOperators.Round round(Number value)
value
- must not be null.ArithmeticOperators.Round
.public ArithmeticOperators.Round place(int place)
place
- value between -20 and 100, exclusive.ArithmeticOperators.Round
.public ArithmeticOperators.Round placeOf(AggregationExpression expression)
expression
- must not be null.ArithmeticOperators.Round
.public ArithmeticOperators.Round placeOf(String fieldReference)
fieldReference
- must not be null.ArithmeticOperators.Round
.protected String getMongoMethod()
public org.bson.Document toDocument(AggregationOperationContext context)
AggregationExpression
toDocument
in interface AggregationExpression
context
- must not be null.Document
) form of the expression.public org.bson.Document toDocument(Object value, AggregationOperationContext context)
protected List<Object> append(Object value, AbstractAggregationExpression.Expand expandList)
protected <T> T get(int index)
T
- index
- protected <T> T get(Object key)
T
- key
- protected boolean contains(Object key)
key
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