UNPKG

@arcgis/core

Version:

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

js.arcgis.com

6 lines (5 loc) • 3.89 kB
1
2
3
4
5
6
/* All material copyright ESRI, All Rights Reserved, unless otherwise specified. See https://js.arcgis.com/4.32/esri/copyright.txt for details. */ import{ASourceChunk as e}from"./ASourceChunk.js";import{FeatureSetReaderJSON as t}from"../../../support/FeatureSetReaderJSON.js";const s=1e4,r=1e3;class i{constructor(){this.modified=[],this.removed=[]}modify(e){this.modified.push(e)}remove(e){this.removed.push(e)}get isEmpty(){return 0===this.modified.length&&0===this.removed.length}}class o extends e{constructor(e){super(),this._reader=e,this.chunkId="override",this.normalizedChunkId="override"}static fromFeatures(e,s){const r=t.fromOptimizedFeatures(e,s);return new o(r)}get reader(){return this._reader}get queryInfo(){return{}}get first(){return!1}get end(){return!1}get isTiled(){return!1}getTileReader(e){if(!this._reader.getSize())return null;const t=this.queryFeaturesInBounds(e.bounds);return t.setTransformForDisplay(e.transform),t}}class n{constructor(e,t){this.inner=e,this.isWeak=t,this.lastWeak=null}get isStrong(){return!this.isWeak}}class a{constructor(){this._overrides=new Map,this._update=new i,this._lastCleanup=0}hasOverride(e){return this._overrides.has(e)}onChunkInsert(e){if(this._overrides.size){const t=e.reader.getCursor();for(;t.next();){const e=t.getObjectId(),s=this._overrides.get(e);if(s?.lastWeak&&(s.lastWeak=null),s?.isWeak){const e=t.readOptimizedFeatureWorldSpace();s.inner=e,this._update.modify(e),this.invalidate()}}}e.registerOverrides(this)}apply(e,t){const{updateWeak:s,removeWeak:r,update:i,remove:o,release:a}=e.commands;this.invalidate();for(const d of s){const e=new n(d,!0),t=this._overrides.get(d.objectId);t?.isStrong?t.lastWeak=e:(this._overrides.set(d.objectId,e),this._update.modify(d))}for(const d of i){const e=new n(d,!1),t=this._overrides.get(d.objectId);e.lastWeak=t?.isWeak?t:t?.lastWeak??null,this._overrides.set(d.objectId,e),this._update.modify(d)}for(const d of r){const e=new n(null,!0),t=this._overrides.get(d);t?.isStrong?t.lastWeak=e:(this._overrides.set(d,e),this._update.remove(d))}for(const d of o){const e=new n(null,!1),t=this._overrides.get(d);e.lastWeak=t?.isWeak?t:t?.lastWeak??null,this._overrides.set(d,e),this._update.remove(d)}if(a.length){const e=new Set;for(const t of a){const s=this._overrides.get(t);s?.lastWeak?(this._overrides.set(t,s.lastWeak),null==s.lastWeak.inner?this._update.remove(t):this._update.modify(s.lastWeak.inner)):s&&!s.isWeak&&(this._overrides.delete(t),e.add(t))}t.forEachUnsafe((t=>{const s=t.getObjectId();e.has(s)&&(this._update.modify(t.readOptimizedFeatureWorldSpace()),e.delete(s))}));for(const t of e.values())this._update.remove(t)}}clearWeakOverrides(){for(const[e,t]of this._overrides.entries())t.isWeak&&this._overrides.delete(e);this.invalidate()}cleanup(e){if(this._overrides.size<s)return;const t=performance.now();if(t-this._lastCleanup<r)return;this._lastCleanup=t;const i=this._getWeakDeletions();if(!(i.size<s)){for(const t of e){const e=t.reader.withoutOverrides().getCursor();for(;e.next();){const t=e.getObjectId();i.delete(t)}}for(const e of i)this._overrides.delete(e);i.size&&this.invalidate()}}takeOverrideUpdate(){const e=this._update;return e.isEmpty?null:(this._update=new i,e)}asChunk(e){if(!this._chunk){const t=[];for(const e of this._overrides.values())null!=e.inner&&t.push(e.inner);this._chunk=o.fromFeatures(t,e)}return this._chunk}invalidate(){this._chunk=null}putWeakObjectIdsFromGlobalIds(e,t,s){for(const[r,i]of this._overrides.entries())if(i.isWeak&&null!=i.inner){const o=i.inner.attributes[s];o&&t.has(o)&&!e.has(o)&&e.set(o,r)}else if(null!=i.lastWeak&&null!=i.lastWeak.inner){const o=i.lastWeak.inner.attributes[s];o&&t.has(o)&&!e.has(o)&&e.set(o,r)}}_getWeakDeletions(){const e=new Set;for(const[t,s]of this._overrides.entries())s.isWeak&&null==s.inner&&e.add(t);return e}}export{o as OverrideChunk,a as OverrideState,i as OverrideUpdate};