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<?php |
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/* |
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* This file is part of the puli/discovery package. |
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* |
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* (c) Bernhard Schussek <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Puli\Discovery; |
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use Puli\Discovery\Api\Binding\Binding; |
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use Puli\Discovery\Api\Type\BindingType; |
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use Puli\Discovery\Api\Type\DuplicateTypeException; |
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use Puli\Discovery\Api\Type\NoSuchTypeException; |
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use Webmozart\Assert\Assert; |
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use Webmozart\Expression\Expr; |
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use Webmozart\Expression\Expression; |
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/** |
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* A resource discovery that holds the bindings in memory. |
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* |
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* @since 1.0 |
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* |
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* @author Bernhard Schussek <[email protected]> |
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*/ |
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class InMemoryDiscovery extends AbstractEditableDiscovery |
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{ |
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/** |
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* @var BindingType[] |
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*/ |
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private $types = array(); |
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/** |
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* @var Binding[][] |
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*/ |
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private $bindingsByTypeName = array(); |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addBindingType(BindingType $type) |
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{ |
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if (isset($this->types[$type->getName()])) { |
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throw DuplicateTypeException::forTypeName($type->getName()); |
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} |
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$this->types[$type->getName()] = $type; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function removeBindingType($typeName) |
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{ |
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Assert::stringNotEmpty($typeName, 'The type class must be a non-empty string. Got: %s'); |
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unset($this->types[$typeName]); |
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$this->removeBindingsWithTypeName($typeName); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function removeBindingTypes() |
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{ |
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$this->types = array(); |
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$this->bindingsByTypeName = array(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasBindingType($typeName) |
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{ |
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Assert::stringNotEmpty($typeName, 'The type class must be a non-empty string. Got: %s'); |
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return isset($this->types[$typeName]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getBindingType($typeName) |
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{ |
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Assert::stringNotEmpty($typeName, 'The type class must be a non-empty string. Got: %s'); |
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if (!isset($this->types[$typeName])) { |
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throw NoSuchTypeException::forTypeName($typeName); |
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} |
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return $this->types[$typeName]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasBindingTypes() |
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{ |
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return count($this->types) > 0; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getBindingTypes() |
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{ |
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return array_values($this->types); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addBinding(Binding $binding) |
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{ |
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$typeName = $binding->getTypeName(); |
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if (isset($this->bindingsByTypeName[$typeName])) { |
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foreach ($this->bindingsByTypeName[$typeName] as $other) { |
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if ($binding->equals($other)) { |
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return; |
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} |
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} |
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} |
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$this->initializeBinding($binding); |
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$this->bindingsByTypeName[$typeName][] = $binding; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function findBindings($typeName, Expression $expr = null) |
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{ |
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Assert::stringNotEmpty($typeName, 'The type class must be a non-empty string. Got: %s'); |
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if (!isset($this->bindingsByTypeName[$typeName])) { |
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return array(); |
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} |
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$bindings = $this->bindingsByTypeName[$typeName]; |
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if (null !== $expr) { |
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$bindings = Expr::filter($bindings, $expr); |
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} |
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return array_values($bindings); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getBindings() |
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{ |
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$bindings = array(); |
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foreach ($this->bindingsByTypeName as $bindingsOfType) { |
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foreach ($bindingsOfType as $binding) { |
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$bindings[] = $binding; |
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} |
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} |
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return $bindings; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function removeAllBindings() |
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{ |
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$this->bindingsByTypeName = array(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function removeBindingsThatMatch(Expression $expr) |
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{ |
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foreach ($this->bindingsByTypeName as $typeName => $bindings) { |
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foreach ($bindings as $key => $binding) { |
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if ($expr->evaluate($binding)) { |
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unset($this->bindingsByTypeName[$typeName][$key]); |
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} |
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} |
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if (0 === count($this->bindingsByTypeName[$typeName])) { |
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unset($this->bindingsByTypeName[$typeName]); |
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} |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function removeBindingsWithTypeName($typeName) |
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{ |
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if (!isset($this->bindingsByTypeName[$typeName])) { |
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return; |
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} |
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unset($this->bindingsByTypeName[$typeName]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function removeBindingsWithTypeNameThatMatch($typeName, Expression $expr) |
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{ |
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if (!isset($this->bindingsByTypeName[$typeName])) { |
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return; |
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} |
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foreach ($this->bindingsByTypeName[$typeName] as $key => $binding) { |
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if ($expr->evaluate($binding)) { |
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unset($this->bindingsByTypeName[$typeName][$key]); |
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} |
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} |
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if (0 === count($this->bindingsByTypeName[$typeName])) { |
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unset($this->bindingsByTypeName[$typeName]); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function hasAnyBinding() |
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{ |
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return count($this->bindingsByTypeName) > 0; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function hasBindingsThatMatch(Expression $expr) |
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{ |
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foreach ($this->bindingsByTypeName as $typeName => $bindings) { |
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foreach ($bindings as $key => $binding) { |
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if ($expr->evaluate($binding)) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function hasBindingsWithTypeName($typeName) |
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{ |
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return !empty($this->bindingsByTypeName[$typeName]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function hasBindingsWithTypeNameThatMatch($typeName, Expression $expr) |
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{ |
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if (!isset($this->bindingsByTypeName[$typeName])) { |
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return false; |
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} |
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foreach ($this->bindingsByTypeName[$typeName] as $binding) { |
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if ($expr->evaluate($binding)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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