org.springframework.data.mongodb.core.aggregation

Class StringOperators.ToLower

java.lang.Object

org.springframework.data.mongodb.core.aggregation.StringOperators.ToLower

All Implemented Interfaces:

AggregationExpression

Enclosing class:

StringOperators

public static class StringOperators.ToLower
extends Object

AggregationExpression for $toLower.

Author:

Christoph Strobl

Method Summary

Modifier and Type	Method and Description
protected List<Object>	append(Object value)
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)
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()
static StringOperators.ToLower	lower(String value) Creates new StringOperators.ToLower.
static StringOperators.ToLower	lowerValueOf(AggregationExpression expression) Creates new StringOperators.ToLower.
static StringOperators.ToLower	lowerValueOf(String fieldReference) Creates new StringOperators.ToLower.
org.bson.Document	toDocument(AggregationOperationContext context) Turns the AggregationExpression into a Document within the given AggregationOperationContext.
org.bson.Document	toDocument(Object value, AggregationOperationContext context)
protected List<Object>	values()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getMongoMethod

protected String getMongoMethod()

lowerValueOf

public static StringOperators.ToLower lowerValueOf(String fieldReference)

Creates new StringOperators.ToLower.

Parameters:

fieldReference - must not be null.

Returns:

lowerValueOf

public static StringOperators.ToLower lowerValueOf(AggregationExpression expression)

Creates new StringOperators.ToLower.

Parameters:

expression - must not be null.

Returns:

lower

public static StringOperators.ToLower lower(String value)

Creates new StringOperators.ToLower.

Parameters:

value - must not be null.

Returns:

toDocument

public org.bson.Document toDocument(AggregationOperationContext context)

Description copied from interface: AggregationExpression

Turns the AggregationExpression into a Document within the given AggregationOperationContext.

Specified by:

toDocument in interface AggregationExpression

Returns:

toDocument

public org.bson.Document toDocument(Object value,
                                    AggregationOperationContext context)

asFields

protected static List<Field> asFields(String... fieldRefs)

append

protected List<Object> append(Object value)

append

protected Map<String,Object> append(String key,
                                    Object value)

values

protected List<Object> 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

protected <T> T get(Object key)

Get the value for a given key.

Type Parameters:

T -

Parameters:

key -

Returns:

Since:

2.1

argumentMap

protected Map<String,Object> argumentMap()

Get the argument map.

Returns:

Since:

2.1

contains

protected boolean contains(Object key)

Check if the given key is available.

Parameters:

key -

Returns:

Since:

2.1