Class StringOperators.LTrim
java.lang.Object
org.springframework.data.mongodb.core.aggregation.StringOperators.LTrim
- All Implemented Interfaces:
AggregationExpression
,MongoExpression
- Enclosing class:
- StringOperators
AggregationExpression
for $ltrim
which removes whitespace or the specified characters from the
beginning of a string. NOTE: Requires MongoDB 4.0 or later.
- Since:
- 2.1
- Author:
- Christoph Strobl
-
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.Optional specify the character(s) to trim from the beginning.Optional specify the reference to thefield
holding the character values to trim from the beginning.charsOf
(AggregationExpression expression) Optional specify theAggregationExpression
evaluating to the character sequence to trim from the beginning.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) static StringOperators.LTrim
Creates newStringOperators.LTrim
using the value of the providedfieldReference
as input value.static StringOperators.LTrim
valueOf
(AggregationExpression expression) Creates newStringOperators.LTrim
using the result of the providedAggregationExpression
as input value.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
-
valueOf
Creates newStringOperators.LTrim
using the value of the providedfieldReference
as input value.- Parameters:
fieldReference
- must not be null.- Returns:
- new instance of
StringOperators.LTrim
.
-
valueOf
Creates newStringOperators.LTrim
using the result of the providedAggregationExpression
as input value.- Parameters:
expression
- must not be null.- Returns:
- new instance of
StringOperators.LTrim
.
-
chars
Optional specify the character(s) to trim from the beginning.- Parameters:
chars
- must not be null.- Returns:
- new instance of
StringOperators.LTrim
.
-
charsOf
Optional specify the reference to thefield
holding the character values to trim from the beginning.- Parameters:
fieldReference
- must not be null.- Returns:
- new instance of
StringOperators.LTrim
.
-
charsOf
Optional specify theAggregationExpression
evaluating to the character sequence to trim from the beginning.- Parameters:
expression
- must not be null.- Returns:
- new instance of
StringOperators.LTrim
.
-
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
-