org.springframework.data.mongodb.core.aggregation

Interface AggregationOperationContext

All Known Implementing Classes:

TypeBasedAggregationOperationContext

public interface AggregationOperationContext

The context for an AggregationOperation.

Since:

1.3

Author:

Oliver Gierke

Method Summary

Modifier and Type	Method and Description
com.mongodb.DBObject	getMappedObject(com.mongodb.DBObject dbObject) Returns the mapped DBObject, potentially converting the source considering mapping metadata etc.
org.springframework.data.mongodb.core.aggregation.ExposedFields.FieldReference	getReference(Field field) Returns a ExposedFields.FieldReference for the given field or null if the context does not expose the given field.
org.springframework.data.mongodb.core.aggregation.ExposedFields.FieldReference	getReference(String name) Returns the ExposedFields.FieldReference for the field with the given name or null if the context does not expose a field with the given name.

Method Detail

getMappedObject

com.mongodb.DBObject getMappedObject(com.mongodb.DBObject dbObject)

Returns the mapped DBObject, potentially converting the source considering mapping metadata etc.

Parameters:

dbObject - will never be null.

Returns:

must not be null.

getReference

org.springframework.data.mongodb.core.aggregation.ExposedFields.FieldReference getReference(Field field)

Returns a ExposedFields.FieldReference for the given field or null if the context does not expose the given field.

Parameters:

field - must not be null.

Returns:

getReference

org.springframework.data.mongodb.core.aggregation.ExposedFields.FieldReference getReference(String name)

Returns the ExposedFields.FieldReference for the field with the given name or null if the context does not expose a field with the given name.

Parameters:

name - must not be null or empty.

Returns: