graphql.language

Class AstZipper

java.lang.Object

graphql.language.AstZipper

@PublicApi
public class AstZipper
extends java.lang.Object

A zipper is a specific node inside a tree together with a list of breadcrumbs to pinpoint the exact location of this node inside the tree from the root.

It is used by AstMultiZipper and AstTransformer to allow for an easy way to "manipulate" the immutable Ast.

Constructor Summary

Constructors

Constructor and Description
AstZipper(Node curNode, java.util.List<AstBreadcrumb> breadcrumbs)

Method Summary

Modifier and Type	Method and Description
java.util.List<AstBreadcrumb>	getBreadcrumbs()
Node	getCurNode()
Node	getParent()
AstZipper	modifyNode(java.util.function.Function<Node,Node> transform)
static AstZipper	rootZipper(Node rootNode)
Node	toRoot()
AstZipper	withNewNode(Node newNode)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AstZipper

public AstZipper(Node curNode,
                 java.util.List<AstBreadcrumb> breadcrumbs)

Method Detail

getCurNode

public Node getCurNode()

getBreadcrumbs

public java.util.List<AstBreadcrumb> getBreadcrumbs()

getParent

public Node getParent()

rootZipper

public static AstZipper rootZipper(Node rootNode)

modifyNode

public AstZipper modifyNode(java.util.function.Function<Node,Node> transform)

withNewNode

public AstZipper withNewNode(Node newNode)

toRoot

public Node toRoot()