public static class StringOperators.Trim extends Object
AggregationExpression
for $trim
which removes whitespace or the specified characters from the
beginning and end of a string. 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> |
argumentMap()
Get the argument map.
|
protected static List<Field> |
asFields(String... fieldRefs) |
StringOperators.Trim |
chars(String chars)
Optional specify the character(s) to trim from the beginning.
|
StringOperators.Trim |
charsOf(AggregationExpression expression)
Optional specify the
AggregationExpression evaluating to the character sequence to trim from the
beginning. |
StringOperators.Trim |
charsOf(String fieldReference)
Optional specify the reference to the
field holding the character values to trim from the
beginning. |
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() |
StringOperators.LTrim |
left()
Remove whitespace or the specified characters from the beginning of a string.
|
StringOperators.RTrim |
right()
Remove whitespace or the specified characters from the end of a string.
|
org.bson.Document |
toDocument(AggregationOperationContext context)
|
org.bson.Document |
toDocument(Object value,
AggregationOperationContext context) |
static StringOperators.Trim |
valueOf(AggregationExpression expression)
Creates new
StringOperators.Trim using the result of the provided AggregationExpression as input
value. |
static StringOperators.Trim |
valueOf(String fieldReference)
Creates new
StringOperators.Trim using the value of the provided fieldReference as input value. |
protected List<Object> |
values() |
public static StringOperators.Trim valueOf(String fieldReference)
StringOperators.Trim
using the value of the provided fieldReference
as input value.fieldReference
- must not be null.StringOperators.LTrim
.public static StringOperators.Trim valueOf(AggregationExpression expression)
StringOperators.Trim
using the result of the provided AggregationExpression
as input
value.expression
- must not be null.StringOperators.Trim
.public StringOperators.Trim chars(String chars)
chars
- must not be null.StringOperators.Trim
.public StringOperators.Trim charsOf(String fieldReference)
field
holding the character values to trim from the
beginning.fieldReference
- must not be null.StringOperators.Trim
.public StringOperators.Trim charsOf(AggregationExpression expression)
AggregationExpression
evaluating to the character sequence to trim from the
beginning.expression
- must not be null.StringOperators.Trim
.public StringOperators.LTrim left()
StringOperators.LTrim
.public StringOperators.RTrim right()
StringOperators.RTrim
.protected String getMongoMethod()
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 <T> T get(int index)
T
- index
- protected <T> T get(Object key)
T
- key
- protected boolean contains(Object key)
key
- Copyright © 2011–2020 Pivotal Software, Inc.. All rights reserved.