public static class ArrayOperators.Size extends Object
AggregationExpression for $size.| Modifier and Type | Method and Description |
|---|---|
protected List<Object> |
append(Object value) |
protected Map<String,Object> |
append(String key,
Object value) |
protected static List<Field> |
asFields(String... fieldRefs) |
protected String |
getMongoMethod() |
static ArrayOperators.Size |
lengthOfArray(AggregationExpression expression)
Creates new
ArrayOperators.Size. |
static ArrayOperators.Size |
lengthOfArray(String fieldReference)
Creates new
ArrayOperators.Size. |
com.mongodb.DBObject |
toDbObject(AggregationOperationContext context)
|
com.mongodb.DBObject |
toDbObject(Object value,
AggregationOperationContext context) |
protected List<Object> |
values() |
protected String getMongoMethod()
public static ArrayOperators.Size lengthOfArray(String fieldReference)
ArrayOperators.Size.fieldReference - must not be null.public static ArrayOperators.Size lengthOfArray(AggregationExpression expression)
ArrayOperators.Size.expression - must not be null.public com.mongodb.DBObject toDbObject(AggregationOperationContext context)
AggregationExpressiontoDbObject in interface AggregationExpressionpublic com.mongodb.DBObject toDbObject(Object value, AggregationOperationContext context)
Copyright © 2011–2018 Pivotal Software, Inc.. All rights reserved.