Class ArrayOperators.ArrayToObject
java.lang.Object
org.springframework.data.mongodb.core.aggregation.ArrayOperators.ArrayToObject
- All Implemented Interfaces:
AggregationExpression
,MongoExpression
- Enclosing class:
- ArrayOperators
AggregationExpression
for $arrayToObject
that transforms an array into a single document. NOTE: Requires MongoDB 3.6 or later.
- Since:
- 2.1
- Author:
- Christoph Strobl
- See Also:
-
Method Summary
Modifier and TypeMethodDescriptionappend
(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.static ArrayOperators.ArrayToObject
arrayToObject
(Object array) Converts the given array (e.g. an array of two-element arrays, a field reference to an array,...) to an object.static ArrayOperators.ArrayToObject
arrayValueOfToObject
(String fieldReference) Converts the array pointed to by the givenfield reference
to an object.static ArrayOperators.ArrayToObject
arrayValueOfToObject
(AggregationExpression expression) Converts the result array of the givenexpression
to an object.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
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
-
arrayToObject
Converts the given array (e.g. an array of two-element arrays, a field reference to an array,...) to an object.- Parameters:
array
- must not be null.- Returns:
- new instance of
ArrayOperators.ArrayToObject
.
-
arrayValueOfToObject
Converts the array pointed to by the givenfield reference
to an object.- Parameters:
fieldReference
- must not be null.- Returns:
- new instance of
ArrayOperators.ArrayToObject
.
-
arrayValueOfToObject
Converts the result array of the givenexpression
to an object.- Parameters:
expression
- must not be null.- Returns:
- new instance of
ArrayOperators.ArrayToObject
.
-
getMongoMethod
-
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
-