Class TraverserState<T>

java.lang.Object

graphql.util.TraverserState<T>

Direct Known Subclasses:

TraverserState.QueueTraverserState, TraverserState.StackTraverserState

public abstract class TraverserState<T>
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TraverserState.EndList<U>
private static class	TraverserState.QueueTraverserState<U>
private static class	TraverserState.StackTraverserState<U>

Field Summary

Fields

Modifier and Type	Field	Description
private Object	sharedContextData
private final Deque<Object>	state
private final Set<T>	visited

Constructor Summary

Constructors

Modifier	Constructor	Description
private	TraverserState(Object sharedContextData)

Method Summary

Modifier and Type	Method	Description
void	addNewContexts(Collection<? extends T> children, TraverserContext<T> parentContext)
void	addVisited(T visited)
boolean	isEmpty()
private DefaultTraverserContext<T>	newContext(T o, TraverserContext<T> parent, NodeLocation position)
private DefaultTraverserContext<T>	newContextImpl(T curNode, TraverserContext<T> parent, Map<Class<?>,Object> vars, NodeLocation nodeLocation, boolean isRootContext)
static <U> TraverserState<U>	newQueueState(Object sharedContextData)
DefaultTraverserContext<T>	newRootContext(Map<Class<?>,Object> vars)
static <U> TraverserState<U>	newStackState(Object sharedContextData)
Object	pop()
abstract void	pushAll(TraverserContext<T> o, Function<? super T, Map<String, ? extends List<T>>> getChildren)

Methods inherited from class Object

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

Field Details

sharedContextData

private Object sharedContextData

state

private final Deque<Object> state

visited

private final Set<T> visited

Constructor Details

TraverserState

private TraverserState(Object sharedContextData)

Method Details

newQueueState

public static <U> TraverserState<U> newQueueState(Object sharedContextData)

newStackState

public static <U> TraverserState<U> newStackState(Object sharedContextData)

pushAll

public abstract void pushAll(TraverserContext<T> o,
 Function<? super T, Map<String, ? extends List<T>>> getChildren)

pop

public Object pop()

addNewContexts

public void addNewContexts(Collection<? extends T> children,
 TraverserContext<T> parentContext)

isEmpty

public boolean isEmpty()

addVisited

public void addVisited(T visited)

newRootContext

public DefaultTraverserContext<T> newRootContext(Map<Class<?>,Object> vars)

newContext

private DefaultTraverserContext<T> newContext(T o,
 TraverserContext<T> parent,
 NodeLocation position)

newContextImpl

private DefaultTraverserContext<T> newContextImpl(T curNode,
 TraverserContext<T> parent,
 Map<Class<?>,Object> vars,
 NodeLocation nodeLocation,
 boolean isRootContext)