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