function Factory::createInstanceFor

Create a constraint instance for the given constraint name.

Parameters

string $constraintName:

Return value

ConstraintInterface|ObjectConstraint

Throws

InvalidArgumentException if is not possible create the constraint instance

File

vendor/justinrainbow/json-schema/src/JsonSchema/Constraints/Factory.php, line 188

Class

Factory

Factory for centralize constraint initialization.

Namespace

JsonSchema\Constraints

Code

public function createInstanceFor($constraintName) {
    if (!isset($this->constraintMap[$constraintName])) {
        throw new InvalidArgumentException('Unknown constraint ' . $constraintName);
    }
    if (!isset($this->instanceCache[$constraintName])) {
        $this->instanceCache[$constraintName] = new $this->constraintMap[$constraintName]($this);
    }
    return clone $this->instanceCache[$constraintName];
}