Class ObjectOperators.ObjectToArray
java.lang.Object
org.springframework.data.mongodb.core.aggregation.ObjectOperators.ObjectToArray
- All Implemented Interfaces:
AggregationExpression
,MongoExpression
- Enclosing class:
- ObjectOperators
AggregationExpression
for $objectToArray
that converts a document to an array of documents
that each contains two fields k and v. 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.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
Creates newaggregation expression
that takes the given value and converts it to an array.org.bson.Document
toDocument
(Object value, AggregationOperationContext context) org.bson.Document
toDocument
(AggregationOperationContext context) valueOfToArray
(String fieldReference) Creates newaggregation expression
that takes the value pointed to by givenfieldReference
and converts it to an array.valueOfToArray
(AggregationExpression expression) Creates newaggregation expression
that takes the result value of the givenexpression
and converts it to an array.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
-
valueOfToArray
Creates newaggregation expression
that takes the value pointed to by givenfieldReference
and converts it to an array.- Parameters:
fieldReference
- must not be null.- Returns:
- new instance of
ObjectOperators.ObjectToArray
.
-
valueOfToArray
Creates newaggregation expression
that takes the result value of the givenexpression
and converts it to an array.- Parameters:
expression
- must not be null.- Returns:
- new instance of
ObjectOperators.ObjectToArray
.
-
toArray
Creates newaggregation expression
that takes the given value and converts it to an array.- Parameters:
value
- must not be null.- Returns:
- new instance of
ObjectOperators.ObjectToArray
.
-
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
-