DI\Definition\Resolver\ResolverDispatcher::getDefinitionResolver PHP Method

    private function getDefinitionResolver(Definition $definition)
    {
        switch (true) {
            case $definition instanceof \DI\Definition\SelfResolvingDefinition:
                if (!$this->selfResolvingResolver) {
                    $this->selfResolvingResolver = new SelfResolver($this->container);
                }
                return $this->selfResolvingResolver;
            case $definition instanceof \DI\Definition\ObjectDefinition:
                if (!$this->objectResolver) {
                    $this->objectResolver = new ObjectCreator($this, $this->proxyFactory);
                }
                return $this->objectResolver;
            case $definition instanceof \DI\Definition\DecoratorDefinition:
                if (!$this->decoratorResolver) {
                    $this->decoratorResolver = new DecoratorResolver($this->container, $this);
                }
                return $this->decoratorResolver;
            case $definition instanceof \DI\Definition\FactoryDefinition:
                if (!$this->factoryResolver) {
                    $this->factoryResolver = new FactoryResolver($this->container, $this);
                }
                return $this->factoryResolver;
            case $definition instanceof \DI\Definition\ArrayDefinition:
                if (!$this->arrayResolver) {
                    $this->arrayResolver = new ArrayResolver($this);
                }
                return $this->arrayResolver;
            case $definition instanceof \DI\Definition\EnvironmentVariableDefinition:
                if (!$this->envVariableResolver) {
                    $this->envVariableResolver = new EnvironmentVariableResolver($this);
                }
                return $this->envVariableResolver;
            case $definition instanceof \DI\Definition\InstanceDefinition:
                if (!$this->instanceResolver) {
                    $this->instanceResolver = new InstanceInjector($this, $this->proxyFactory);
                }
                return $this->instanceResolver;
            default:
                throw new \RuntimeException('No definition resolver was configured for definition of type ' . get_class($definition));
        }
    }