public static class DateOperators.Hour extends DateOperators.TimezonedDateAggregationExpression
AggregationExpression
for $hour
.Modifier and Type | Method and Description |
---|---|
protected List<Object> |
append(Object value) |
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() |
static DateOperators.Hour |
hour(Object value)
Creates new
DateOperators.Hour . |
static DateOperators.Hour |
hourOf(AggregationExpression expression)
Creates new
DateOperators.Hour . |
static DateOperators.Hour |
hourOf(String fieldReference)
Creates new
DateOperators.Hour . |
org.bson.Document |
toDocument(AggregationOperationContext context)
|
org.bson.Document |
toDocument(Object value,
AggregationOperationContext context) |
protected List<Object> |
values() |
DateOperators.Hour |
withTimezone(DateOperators.Timezone timezone)
Optionally set the
DateOperators.Timezone to use. |
appendTimezone, hasTimezone
public static DateOperators.Hour hour(Object value)
DateOperators.Hour
.value
- must not be null and resolve to field, expression or object that represents a date.DateOperators.Hour
.IllegalArgumentException
- if given value is null.public static DateOperators.Hour hourOf(String fieldReference)
DateOperators.Hour
.fieldReference
- must not be null.public static DateOperators.Hour hourOf(AggregationExpression expression)
DateOperators.Hour
.expression
- must not be null.public DateOperators.Hour withTimezone(DateOperators.Timezone timezone)
DateOperators.Timezone
to use. If not specified UTC is used.withTimezone
in class DateOperators.TimezonedDateAggregationExpression
timezone
- must not be null. Consider DateOperators.Timezone.none()
instead.DateOperators.Hour
.IllegalArgumentException
- if given timezone is null.protected String getMongoMethod()
public org.bson.Document toDocument(AggregationOperationContext context)
AggregationExpression
toDocument
in interface AggregationExpression
public org.bson.Document toDocument(Object value, AggregationOperationContext context)
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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