Package org.springframework.data.mongodb.core.aggregation

Interface Field

All Known Subinterfaces:
AggregationVariable
All Known Implementing Classes:
ArrayOperators.Reduce.Variable, SetWindowFieldsOperation.ComputedField, SystemVariable
public interface Field
Abstraction for a field.
Since:
1.3
Author:
Oliver Gierke

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    getName()
    Returns the name of the field.
    String
    getTarget()
    Returns the target of the field.
    boolean
    isAliased()
    Returns whether the Field is aliased, which means it has a name set different from the target.
    default boolean
    isInternal()
     

  • Method Details

    • getName

      String getName()
      Returns the name of the field.
      Returns:
      must not be null.

    • getTarget

      String getTarget()
      Returns the target of the field. In case no explicit target is available getName() should be returned.
      Returns:
      must not be null.

    • isAliased

      boolean isAliased()
      Returns whether the Field is aliased, which means it has a name set different from the target.
      Returns:

    • isInternal

      default boolean isInternal()
      Returns:
      true if the field name references a local value such as $$this.
      Since:
      2.2