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/**
* Implements SliceLoader using generated classes that register themselves by calling defineClass.
*/
class DefaultSliceLoader {
/**
* Creates a new DefaultSliceLoader.
*/
constructor() {
this.typeIdToTypeMap = new Map(); // Map<String, Type>
}
/**
* Adds a new type to the typeIdToTypeMap.
* @param typeId The type ID or compact type ID.
* @param type The type.
*/
add(typeId, type) {
this.typeIdToTypeMap.set(typeId, type);
}
newInstance(typeId) {
const type = this.typeIdToTypeMap.get(typeId);
if (type === undefined) {
return null;
}
return new type();
}
}
/**
* The DefaultSliceLoader singleton.
*/
export const defaultSliceLoaderInstance = new DefaultSliceLoader();
/**
* Registers the class for a mapped Slice class or exception. Also adds some methods to the JS class.
* @param classType The JS class.
* @param typeId The type ID.
* @param compactId The compact type ID.
*/
export function defineClass(classType, typeId, compactId = -1) {
classType.prototype.ice_id = function () {
return typeId;
};
classType.prototype._iceMostDerivedType = function () {
return classType;
};
classType.ice_staticId = function () {
return typeId;
};
defaultSliceLoaderInstance.add(typeId, classType);
if (compactId !== -1) {
defaultSliceLoaderInstance.add(compactId.toString(), classType);
}
}
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