com.cronutils.model.field.expression.visitor

Interface FieldExpressionVisitor

All Known Implementing Classes:

ValidationFieldExpressionVisitor, ValueMappingFieldExpressionVisitor

public interface FieldExpressionVisitor

Visitor for custom actions performed on FieldExpression instances.

Method Summary

Modifier and Type	Method and Description
FieldExpression	visit(Always always) Performs action on Always instance.
FieldExpression	visit(And and) Performs action on And instance.
FieldExpression	visit(Between between) Performs action on Between instance.
FieldExpression	visit(Every every) Performs action on Every instance.
FieldExpression	visit(FieldExpression expression) Performs an action using given FieldExpression instance.
FieldExpression	visit(On on) Performs action on On instance.
FieldExpression	visit(QuestionMark questionMark) Performs action on QuestionMark instance.

Method Detail

visit

FieldExpression visit(FieldExpression expression)

Performs an action using given FieldExpression instance. If requires to modify some value, should return a new instance with those values. This way we ensure immutability is preserved.

Parameters:

expression - - FieldExpression, never null

Returns:

FieldExpression instance, never null

visit

FieldExpression visit(Always always)

Performs action on Always instance.

Parameters:

always - - Always instance, never null

Returns:

FieldExpression instance, never null

visit

FieldExpression visit(And and)

Performs action on And instance.

Parameters:

and - - And instance, never null

Returns:

FieldExpression instance, never null

visit

FieldExpression visit(Between between)

Performs action on Between instance.

Parameters:

between - - Between instance, never null

Returns:

FieldExpression instance, never null

visit

FieldExpression visit(Every every)

Performs action on Every instance.

Parameters:

every - - Every instance, never null

Returns:

FieldExpression instance, never null

visit

FieldExpression visit(On on)

Performs action on On instance.

Parameters:

on - - On instance, never null

Returns:

FieldExpression instance, never null

visit

FieldExpression visit(QuestionMark questionMark)

Performs action on QuestionMark instance.

Parameters:

questionMark - - QuestionMark instance, never null

Returns:

FieldExpression instance, never null