FilesExpand file tree

 master

/

TraverserVisitor.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

37 lines (31 loc) · 909 Bytes

 master

/

TraverserVisitor.java

Copy path

Top

File metadata and controls

• Code
• Blame

37 lines (31 loc) · 909 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

package graphql.util;

import graphql.Internal;

@Internal

public interface TraverserVisitor<T> {

/**

* @param context the context in place

*

* @return Any allowed control value

*/

TraversalControl enter(TraverserContext<T> context);

/**

* @param context the context in place

*

* @return Only Continue or Quit allowed

*/

TraversalControl leave(TraverserContext<T> context);

/**

* This method is called when a node was already visited before.

*

* This can happen for two reasons:

* 1. There is a cycle.

* 2. A node has more than one parent. This means the structure is not a tree but a graph.

*

* @param context the context in place

*

* @return Only Continue or Quit allowed

*/

default TraversalControl backRef(TraverserContext<T> context) {

return TraversalControl.CONTINUE;

}

}