本文整理汇总了PHP中GraphQL\Type\Definition\Type::isAbstractType方法的典型用法代码示例。如果您正苦于以下问题：PHP Type::isAbstractType方法的具体用法？PHP Type::isAbstractType怎么用？PHP Type::isAbstractType使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GraphQL\Type\Definition\Type的用法示例。
在下文中一共展示了Type::isAbstractType方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: isTypeSubTypeOf
/**
* Provided a type and a super type, return true if the first type is either
* equal or a subset of the second super type (covariant).
*/
static function isTypeSubTypeOf(Schema $schema, Type $maybeSubType, Type $superType)
{
// Equivalent type is a valid subtype
if ($maybeSubType === $superType) {
return true;
}
// If superType is non-null, maybeSubType must also be nullable.
if ($superType instanceof NonNull) {
if ($maybeSubType instanceof NonNull) {
return self::isTypeSubTypeOf($schema, $maybeSubType->getWrappedType(), $superType->getWrappedType());
}
return false;
} else {
if ($maybeSubType instanceof NonNull) {
// If superType is nullable, maybeSubType may be non-null.
return self::isTypeSubTypeOf($schema, $maybeSubType->getWrappedType(), $superType);
}
}
// If superType type is a list, maybeSubType type must also be a list.
if ($superType instanceof ListOfType) {
if ($maybeSubType instanceof ListOfType) {
return self::isTypeSubTypeOf($schema, $maybeSubType->getWrappedType(), $superType->getWrappedType());
}
return false;
} else {
if ($maybeSubType instanceof ListOfType) {
// If superType is not a list, maybeSubType must also be not a list.
return false;
}
}
// If superType type is an abstract type, maybeSubType type may be a currently
// possible object type.
if (Type::isAbstractType($superType) && $maybeSubType instanceof ObjectType && $schema->isPossibleType($superType, $maybeSubType)) {
return true;
}
// Otherwise, the child type is not a valid subtype of the parent type.
return false;
}