53 lines
1.7 KiB
TypeScript
53 lines
1.7 KiB
TypeScript
class SnowFlake<x>{
|
|
public readonly id:string;
|
|
private static readonly SnowFlakes:Map<any,Map<string,WeakRef<SnowFlake<any>>>>=new Map();
|
|
private static readonly FinalizationRegistry=new FinalizationRegistry((id:string)=>{
|
|
SnowFlake.SnowFlakes.delete(id);
|
|
});
|
|
private obj:x;
|
|
constructor(id:string,obj:x){
|
|
if(!obj){
|
|
this.id=id;
|
|
return;
|
|
}
|
|
if(!SnowFlake.SnowFlakes.get(obj.constructor)){
|
|
SnowFlake.SnowFlakes.set(obj.constructor,new Map());
|
|
}
|
|
if(SnowFlake.SnowFlakes.get(obj.constructor).get(id)){
|
|
const snowflake=SnowFlake.SnowFlakes.get(obj.constructor).get(id).deref();
|
|
snowflake.obj=obj;
|
|
return snowflake;
|
|
}
|
|
this.id=id;
|
|
SnowFlake.SnowFlakes.get(obj.constructor).set(id,new WeakRef(this));
|
|
SnowFlake.FinalizationRegistry.register(this,id);
|
|
this.obj=obj;
|
|
}
|
|
static getSnowFlakeFromID(id:string,type:any):SnowFlake<any>{
|
|
if(!SnowFlake.SnowFlakes.get(type)){
|
|
SnowFlake.SnowFlakes.set(type,new Map());
|
|
}
|
|
const snowflake=SnowFlake.SnowFlakes.get(type).get(id);
|
|
if(snowflake){
|
|
return snowflake.deref();
|
|
}
|
|
{
|
|
const snowflake=new SnowFlake(id,undefined);
|
|
|
|
SnowFlake.SnowFlakes.get(type).set(id,new WeakRef(snowflake));
|
|
SnowFlake.FinalizationRegistry.register(snowflake,id);
|
|
|
|
return snowflake;
|
|
}
|
|
}
|
|
getUnixTime():number{
|
|
return Number((BigInt(this.id)>>22n)+1420070400000n);
|
|
}
|
|
toString(){
|
|
return this.id;
|
|
}
|
|
getObject():x{
|
|
return this.obj;
|
|
}
|
|
}
|
|
export {SnowFlake};
|