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<?php |
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namespace GraphQL\Benchmarks\Utils; |
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use GraphQL\Type\Definition\EnumType; |
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use GraphQL\Type\Definition\InputObjectType; |
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use GraphQL\Type\Definition\ObjectType; |
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use GraphQL\Type\Definition\Type; |
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use GraphQL\Type\Schema; |
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class SchemaGenerator |
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{ |
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private $config = [ |
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'totalTypes' => 100, |
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'nestingLevel' => 10, |
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'fieldsPerType' => 10, |
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'listFieldsPerType' => 2 |
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]; |
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private $typeIndex = 0; |
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private $objectTypes = []; |
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/** |
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* BenchmarkSchemaBuilder constructor. |
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* @param array $config |
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*/ |
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public function __construct(array $config) |
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{ |
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$this->config = array_merge($this->config, $config); |
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} |
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public function buildSchema() |
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{ |
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return new Schema([ |
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'query' => $this->buildQueryType() |
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]); |
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} |
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public function buildQueryType() |
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{ |
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$this->typeIndex = 0; |
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$this->objectTypes = []; |
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return $this->createType(0); |
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} |
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public function loadType($name) |
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{ |
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$tokens = explode('_', $name); |
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$nestingLevel = (int) $tokens[1]; |
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return $this->createType($nestingLevel, $name); |
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} |
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protected function createType($nestingLevel, $typeName = null) |
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{ |
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if ($this->typeIndex > $this->config['totalTypes']) { |
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throw new \Exception( |
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"Cannot create new type: there are already {$this->typeIndex} ". |
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"which exceeds allowed number of {$this->config['totalTypes']} types total" |
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); |
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} |
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$this->typeIndex++; |
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if (!$typeName) { |
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$typeName = 'Level_' . $nestingLevel . '_Type' . $this->typeIndex; |
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} |
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$type = new ObjectType([ |
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'name' => $typeName, |
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'fields' => function() use ($typeName, $nestingLevel) { |
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return $this->createTypeFields($typeName, $nestingLevel + 1); |
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} |
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]); |
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$this->objectTypes[$typeName] = $type; |
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return $type; |
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} |
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protected function getFieldTypeAndName($nestingLevel, $fieldIndex) |
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{ |
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if ($nestingLevel >= $this->config['nestingLevel']) { |
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$fieldType = Type::string(); |
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$fieldName = 'leafField' . $fieldIndex; |
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} else if ($this->typeIndex >= $this->config['totalTypes']) { |
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$fieldType = $this->objectTypes[array_rand($this->objectTypes)]; |
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$fieldName = 'randomTypeField' . $fieldIndex; |
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} else { |
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$fieldType = $this->createType($nestingLevel); |
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$fieldName = 'field' . $fieldIndex; |
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} |
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return [$fieldType, $fieldName]; |
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} |
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protected function createTypeFields($typeName, $nestingLevel) |
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{ |
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$fields = []; |
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for ($index = 0; $index < $this->config['fieldsPerType']; $index++) { |
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list($type, $name) = $this->getFieldTypeAndName($nestingLevel, $index); |
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$fields[] = [ |
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'name' => $name, |
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'type' => $type, |
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'resolve' => [$this, 'resolveField'] |
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]; |
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} |
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for ($index = 0; $index < $this->config['listFieldsPerType']; $index++) { |
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list($type, $name) = $this->getFieldTypeAndName($nestingLevel, $index); |
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$name = 'listOf' . ucfirst($name); |
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$fields[] = [ |
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'name' => $name, |
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'type' => Type::listOf($type), |
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'args' => $this->createFieldArgs($name, $typeName), |
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'resolve' => function() { |
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return [ |
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'string1', |
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'string2', |
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'string3', |
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'string4', |
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'string5', |
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]; |
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} |
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]; |
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} |
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return $fields; |
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} |
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protected function createFieldArgs($fieldName, $typeName) |
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{ |
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return [ |
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'argString' => [ |
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'type' => Type::string() |
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], |
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'argEnum' => [ |
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'type' => new EnumType([ |
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'name' => $typeName . $fieldName . 'Enum', |
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'values' => [ |
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"ONE", "TWO", "THREE" |
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] |
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]) |
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], |
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'argInputObject' => [ |
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'type' => new InputObjectType([ |
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'name' => $typeName . $fieldName . 'Input', |
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'fields' => [ |
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'field1' => Type::string(), |
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'field2' => Type::int() |
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] |
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]) |
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] |
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]; |
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} |
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public function resolveField($objectValue, $args, $context, $resolveInfo) |
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{ |
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return $resolveInfo->fieldName . '-value'; |
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} |
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} |
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simPod /
graphql-php
