Package dev.morphia.aggregation.stages
Class Group.GroupId
- java.lang.Object
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- dev.morphia.aggregation.stages.Group.GroupId
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Group.GroupId
field(String name)
Adds a field to the group.Group.GroupId
field(String name, dev.morphia.aggregation.expressions.impls.Expression expression)
Adds a named field to the group with an expression giving the value.dev.morphia.aggregation.expressions.impls.DocumentExpression
getDocument()
dev.morphia.aggregation.expressions.impls.Expression
getField()
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Method Detail
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field
public Group.GroupId field(String name)
Adds a field to the group. This method is equivalent to callingfield("name", Expression.field("name"))
- Parameters:
name
- the field name- Returns:
- this
- See Also:
field(String, Expression)
,Expressions.field(String)
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field
public Group.GroupId field(String name, dev.morphia.aggregation.expressions.impls.Expression expression)
Adds a named field to the group with an expression giving the value.- Parameters:
name
- the name of the fieldexpression
- the expression giving the value- Returns:
- this
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getDocument
@Nullable @MorphiaInternal public dev.morphia.aggregation.expressions.impls.DocumentExpression getDocument()
- Returns:
- the document
Developer note.This is an internal item. Its function and presence are subject to change without warning. Its use is highly discouraged.
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getField
@Nullable @MorphiaInternal public dev.morphia.aggregation.expressions.impls.Expression getField()
- Returns:
- the field
Developer note.This is an internal item. Its function and presence are subject to change without warning. Its use is highly discouraged.
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