Class QueryComplexityCalculator

java.lang.Object

graphql.analysis.QueryComplexityCalculator

@PublicApi
public class QueryComplexityCalculator
extends Object

This can calculate the complexity of an operation using the specified FieldComplexityCalculator you pass into it.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	QueryComplexityCalculator.Builder

Field Summary

Fields

Modifier and Type	Field	Description
private final Document	document
private final FieldComplexityCalculator	fieldComplexityCalculator
private final String	operationName
private final GraphQLSchema	schema
private final CoercedVariables	variables

Constructor Summary

Constructors

Constructor	Description
QueryComplexityCalculator(QueryComplexityCalculator.Builder builder)

Method Summary

Modifier and Type	Method	Description
int	calculate()
Map<QueryVisitorFieldEnvironment, Integer>	calculateByParents()
private int	calculateComplexity(QueryVisitorFieldEnvironment queryVisitorFieldEnvironment, int childComplexity)
private FieldComplexityEnvironment	convertEnv(QueryVisitorFieldEnvironment queryVisitorFieldEnvironment)
static QueryComplexityCalculator.Builder	newCalculator()

Methods inherited from class Object

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

Field Details

fieldComplexityCalculator

private final FieldComplexityCalculator fieldComplexityCalculator

schema

private final GraphQLSchema schema

document

private final Document document

operationName

private final String operationName

variables

private final CoercedVariables variables

Constructor Details

QueryComplexityCalculator

public QueryComplexityCalculator(QueryComplexityCalculator.Builder builder)

Method Details

calculate

public int calculate()

calculateByParents

public Map<QueryVisitorFieldEnvironment, Integer> calculateByParents()

Returns:

a map that shows the field complexity for each field level in the operation

calculateComplexity

private int calculateComplexity(QueryVisitorFieldEnvironment queryVisitorFieldEnvironment,
 int childComplexity)

convertEnv

private FieldComplexityEnvironment convertEnv(QueryVisitorFieldEnvironment queryVisitorFieldEnvironment)

newCalculator

public static QueryComplexityCalculator.Builder newCalculator()