Package graphql.execution.instrumentation.dataloader

Class FieldLevelTrackingApproach

java.lang.Object

graphql.execution.instrumentation.dataloader.FieldLevelTrackingApproach

public class FieldLevelTrackingApproach
extends Object

This approach uses field level tracking to achieve its aims of making the data loader more efficient

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	FieldLevelTrackingApproach.CallStack

Field Summary

Fields

Modifier and Type	Field	Description
private final Supplier<org.dataloader.DataLoaderRegistry>	dataLoaderRegistrySupplier
private final org.slf4j.Logger	log

Constructor Summary

Constructors

Constructor	Description
FieldLevelTrackingApproach(org.slf4j.Logger log, Supplier<org.dataloader.DataLoaderRegistry> dataLoaderRegistrySupplier)

Method Summary

Modifier and Type	Method	Description
(package private) ExecutionStrategyInstrumentationContext	beginExecutionStrategy(InstrumentationExecutionStrategyParameters parameters, InstrumentationState rawState)
InstrumentationContext<Object>	beginFieldFetch(InstrumentationFieldFetchParameters parameters, InstrumentationState rawState)
InstrumentationState	createState()
(package private) void	dispatch()
private boolean	dispatchIfNeeded(FieldLevelTrackingApproach.CallStack callStack, int level)
private int	getCountForList(List<FieldValueInfo> fieldValueInfos)
private org.dataloader.DataLoaderRegistry	getDataLoaderRegistry()
private boolean	handleOnFieldValuesInfo(List<FieldValueInfo> fieldValueInfos, FieldLevelTrackingApproach.CallStack callStack, int curLevel)
private boolean	levelReady(FieldLevelTrackingApproach.CallStack callStack, int level)

Methods inherited from class java.lang.Object

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

Field Details

dataLoaderRegistrySupplier

private final Supplier<org.dataloader.DataLoaderRegistry> dataLoaderRegistrySupplier

log

private final org.slf4j.Logger log

Constructor Details

FieldLevelTrackingApproach

public FieldLevelTrackingApproach(org.slf4j.Logger log,
 Supplier<org.dataloader.DataLoaderRegistry> dataLoaderRegistrySupplier)

Method Details

createState

public InstrumentationState createState()

beginExecutionStrategy

ExecutionStrategyInstrumentationContext beginExecutionStrategy(InstrumentationExecutionStrategyParameters parameters,
 InstrumentationState rawState)

handleOnFieldValuesInfo

private boolean handleOnFieldValuesInfo(List<FieldValueInfo> fieldValueInfos,
 FieldLevelTrackingApproach.CallStack callStack,
 int curLevel)

getCountForList

private int getCountForList(List<FieldValueInfo> fieldValueInfos)

beginFieldFetch

public InstrumentationContext<Object> beginFieldFetch(InstrumentationFieldFetchParameters parameters,
 InstrumentationState rawState)

dispatchIfNeeded

private boolean dispatchIfNeeded(FieldLevelTrackingApproach.CallStack callStack,
 int level)

levelReady

private boolean levelReady(FieldLevelTrackingApproach.CallStack callStack,
 int level)

dispatch

void dispatch()

getDataLoaderRegistry

private org.dataloader.DataLoaderRegistry getDataLoaderRegistry()