public static class ArithmeticOperators.Log extends Object
AggregationExpression
for $log
.Modifier and Type | Class and Description |
---|---|
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> |
appendAt(int index,
String key,
Object value)
Append the given key at the position in the underlying
LinkedHashMap . |
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.Log |
log(AggregationExpression expression)
Use the evaluated value of the given
AggregationExpression as log base. |
ArithmeticOperators.Log |
log(Number base)
Use the given value as log base.
|
ArithmeticOperators.Log |
log(String fieldReference)
Use the value stored at the given field as log base.
|
protected Map<String,Object> |
remove(String key) |
org.bson.Document |
toDocument(AggregationOperationContext context)
|
org.bson.Document |
toDocument(Object value,
AggregationOperationContext context) |
static ArithmeticOperators.Log |
valueOf(AggregationExpression expression)
Creates new
ArithmeticOperators.Log . |
static ArithmeticOperators.Log |
valueOf(Number value)
Creates new
ArithmeticOperators.Log . |
static ArithmeticOperators.Log |
valueOf(String fieldReference)
Creates new
AccumulatorOperators.Min . |
protected List<Object> |
values() |
protected String getMongoMethod()
public static ArithmeticOperators.Log valueOf(String fieldReference)
AccumulatorOperators.Min
.fieldReference
- must not be null.ArithmeticOperators.Log
.public static ArithmeticOperators.Log valueOf(AggregationExpression expression)
ArithmeticOperators.Log
.expression
- must not be null.ArithmeticOperators.Log
.public static ArithmeticOperators.Log valueOf(Number value)
ArithmeticOperators.Log
.value
- must not be null.public ArithmeticOperators.Log log(String fieldReference)
fieldReference
- must not be null.ArithmeticOperators.Log
.public ArithmeticOperators.Log log(AggregationExpression expression)
AggregationExpression
as log base.expression
- must not be null.ArithmeticOperators.Log
.public ArithmeticOperators.Log log(Number base)
base
- must not be null.ArithmeticOperators.Log
.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 Map<String,Object> appendAt(int index, String key, Object value)
LinkedHashMap
.index
- key
- value
- protected <T> T get(int index)
T
- index
- protected <T> T get(Object key)
T
- key
- protected boolean contains(Object key)
key
- Copyright © 2011–2021 Pivotal Software, Inc.. All rights reserved.