| 1 | import { TypeDescriptor } from './TypeDescriptor';
|
| 2 | /**
|
| 3 | * Helper class to perform object type introspection and object instantiation.
|
| 4 | *
|
| 5 | * This class has symmetric implementation across all languages supported
|
| 6 | * by Pip.Services toolkit and used to support dynamic data processing.
|
| 7 | *
|
| 8 | * Because all languages have different casing and case sensitivity rules,
|
| 9 | * this TypeReflector treats all type names as case insensitive.
|
| 10 | *
|
| 11 | * @see [[TypeDescriptor]]
|
| 12 | *
|
| 13 | * ### Example ###
|
| 14 | *
|
| 15 | * let descriptor = new TypeDescriptor("MyObject", "mylibrary");
|
| 16 | * Typeeflector.getTypeByDescriptor(descriptor);
|
| 17 | * let myObj = TypeReflector.createInstanceByDescriptor(descriptor);
|
| 18 | *
|
| 19 | * TypeDescriptor.isPrimitive(myObject); // Result: false
|
| 20 | * TypeDescriptor.isPrimitive(123); // Result: true
|
| 21 | */
|
| 22 | export declare class TypeReflector {
|
| 23 | /**
|
| 24 | * Gets object type by its name and library where it is defined.
|
| 25 | *
|
| 26 | * @param name an object type name.
|
| 27 | * @param library a library where the type is defined
|
| 28 | * @returns the object type or null is the type wasn't found.
|
| 29 | */
|
| 30 | static getType(name: string, library: string): any;
|
| 31 | /**
|
| 32 | * Gets object type by type descriptor.
|
| 33 | *
|
| 34 | * @param descriptor a type descriptor that points to an object type
|
| 35 | * @returns the object type or null is the type wasn't found.
|
| 36 | *
|
| 37 | * @see [[getType]]
|
| 38 | * @see [[TypeDescriptor]]
|
| 39 | */
|
| 40 | static getTypeByDescriptor(descriptor: TypeDescriptor): any;
|
| 41 | /**
|
| 42 | * Creates an instance of an object type.
|
| 43 | *
|
| 44 | * @param type an object type (factory function) to create.
|
| 45 | * @param args arguments for the object constructor.
|
| 46 | * @returns the created object instance.
|
| 47 | */
|
| 48 | static createInstanceByType(type: any, ...args: any[]): any;
|
| 49 | /**
|
| 50 | * Creates an instance of an object type specified by its name
|
| 51 | * and library where it is defined.
|
| 52 | *
|
| 53 | * @param name an object type name.
|
| 54 | * @param library a library (module) where object type is defined.
|
| 55 | * @param args arguments for the object constructor.
|
| 56 | * @returns the created object instance.
|
| 57 | *
|
| 58 | * @see [[getType]]
|
| 59 | * @see [[createInstanceByType]]
|
| 60 | */
|
| 61 | static createInstance(name: string, library: string, ...args: any[]): any;
|
| 62 | /**
|
| 63 | * Creates an instance of an object type specified by type descriptor.
|
| 64 | *
|
| 65 | * @param descriptor a type descriptor that points to an object type
|
| 66 | * @param args arguments for the object constructor.
|
| 67 | * @returns the created object instance.
|
| 68 | *
|
| 69 | * @see [[createInstance]]
|
| 70 | * @see [[TypeDescriptor]]
|
| 71 | */
|
| 72 | static createInstanceByDescriptor(descriptor: TypeDescriptor, ...args: any[]): any;
|
| 73 | /**
|
| 74 | * Checks if value has primitive type.
|
| 75 | *
|
| 76 | * Primitive types are: numbers, strings, booleans, date and time.
|
| 77 | * Complex (non-primitive types are): objects, maps and arrays
|
| 78 | *
|
| 79 | * @param value a value to check
|
| 80 | * @returns true if the value has primitive type and false if value type is complex.
|
| 81 | *
|
| 82 | * @see [[TypeConverter.toTypeCode]]
|
| 83 | * @see [[TypeCode]]
|
| 84 | */
|
| 85 | static isPrimitive(value: any): boolean;
|
| 86 | }
|