Class FieldCollector

java.lang.Object

graphql.execution.FieldCollector

public class FieldCollector
extends Object

A field collector can iterate over field selection sets and build out the sub fields that have been selected, expanding named and inline fragments as it goes.s

Field Summary

Fields

Modifier and Type	Field	Description
private final ConditionalNodes	conditionalNodes

Constructor Summary

Constructors

Constructor	Description
FieldCollector()

Method Summary

Modifier and Type	Method	Description
private boolean	checkTypeCondition(FieldCollectorParameters parameters, GraphQLType conditionType)
private void	collectField(FieldCollectorParameters parameters, Map<String, MergedField> fields, Field field)
MergedSelectionSet	collectFields(FieldCollectorParameters parameters, MergedField mergedField)
MergedSelectionSet	collectFields(FieldCollectorParameters parameters, SelectionSet selectionSet)	Given a selection set this will collect the sub-field selections and return it as a map
private void	collectFields(FieldCollectorParameters parameters, SelectionSet selectionSet, Set<String> visitedFragments, Map<String, MergedField> fields)
private void	collectFragmentSpread(FieldCollectorParameters parameters, Set<String> visitedFragments, Map<String, MergedField> fields, FragmentSpread fragmentSpread)
private void	collectInlineFragment(FieldCollectorParameters parameters, Set<String> visitedFragments, Map<String, MergedField> fields, InlineFragment inlineFragment)
private boolean	doesFragmentConditionMatch(FieldCollectorParameters parameters, FragmentDefinition fragmentDefinition)
private boolean	doesFragmentConditionMatch(FieldCollectorParameters parameters, InlineFragment inlineFragment)

Methods inherited from class Object

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

Field Details

conditionalNodes

private final ConditionalNodes conditionalNodes

Constructor Details

FieldCollector

public FieldCollector()

Method Details

collectFields

public MergedSelectionSet collectFields(FieldCollectorParameters parameters,
 MergedField mergedField)

collectFields

public MergedSelectionSet collectFields(FieldCollectorParameters parameters,
 SelectionSet selectionSet)

Given a selection set this will collect the sub-field selections and return it as a map

Parameters:

parameters - the parameters to this method

selectionSet - the selection set to collect on

Returns:

a map of the sub field selections

collectFields

private void collectFields(FieldCollectorParameters parameters,
 SelectionSet selectionSet,
 Set<String> visitedFragments,
 Map<String, MergedField> fields)

collectFragmentSpread

private void collectFragmentSpread(FieldCollectorParameters parameters,
 Set<String> visitedFragments,
 Map<String, MergedField> fields,
 FragmentSpread fragmentSpread)

collectInlineFragment

private void collectInlineFragment(FieldCollectorParameters parameters,
 Set<String> visitedFragments,
 Map<String, MergedField> fields,
 InlineFragment inlineFragment)

collectField

private void collectField(FieldCollectorParameters parameters,
 Map<String, MergedField> fields,
 Field field)

doesFragmentConditionMatch

private boolean doesFragmentConditionMatch(FieldCollectorParameters parameters,
 InlineFragment inlineFragment)

doesFragmentConditionMatch

private boolean doesFragmentConditionMatch(FieldCollectorParameters parameters,
 FragmentDefinition fragmentDefinition)

checkTypeCondition

private boolean checkTypeCondition(FieldCollectorParameters parameters,
 GraphQLType conditionType)