Package graphql.analysis

Class QueryComplexityCalculator

java.lang.Object

graphql.analysis.QueryComplexityCalculator

@PublicApi
public class QueryComplexityCalculator
extends java.lang.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 Document	document
private FieldComplexityCalculator	fieldComplexityCalculator
private java.lang.String	operationName
private GraphQLSchema	schema
private CoercedVariables	variables

Constructor Summary

Constructors

Constructor	Description
QueryComplexityCalculator(QueryComplexityCalculator.Builder builder)

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

fieldComplexityCalculator

private final FieldComplexityCalculator fieldComplexityCalculator

schema

private final GraphQLSchema schema

document

private final Document document

operationName

private final java.lang.String operationName

variables

private final CoercedVariables variables

Constructor Detail

QueryComplexityCalculator

public QueryComplexityCalculator(QueryComplexityCalculator.Builder builder)

Method Detail

calculate

public int calculate()

calculateByParents

public java.util.Map<QueryVisitorFieldEnvironment,java.lang.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()