@arcgis/core/views/interactive/snapping/featureSources/featureServiceSource/FeatureServiceTileStore.js

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

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{__decorate as e}from"tslib";import t from"../../../../../core/Accessor.js";import"../../../../../core/has.js";import{intersection as s,isSubsetOf as i}from"../../../../../core/SetUtils.js";import{property as r,subclass as o}from"../../../../../core/accessorSupport/decorators.js";import{getBoundingRect as n}from"../../../../../geometry/FlatGeometry.js";import{create as l,empty as u,intersects as c,fromExtent as h,area as a}from"../../../../../geometry/support/aaBoundingRect.js";import{BoundsStore as d}from"../../../../../layers/graphics/data/BoundsStore.js";import{TileKey as f}from"../../../../../layers/support/TileKey.js";import{executeQueryForCount as _}from"../../../../../rest/query/operations/query.js";import{FeatureServiceTileCache as m}from"./FeatureServiceTileCache.js";let p=class extends t{setPriorityOrderByKey(e){this._tiles.setPriorityOrderByKey(e)}get _memoryLimitExceeded(){return this.featureStore.usedMemory>=this.maximumByteSize}constructor(e){super(e),this.tileInfo=null,this.extent=null,this.maximumByteSize=10485760,this._tileBounds=new d,this._tiles=new m,this._refCounts=new Map,this._tileFeatureCounts=new Map,this._tmpBoundingRect=l()}add(e,t){for(const s of t)this._referenceFeature(s.objectId);const i=this.featureStore.upsertMany(t),r=i.map(e=>new Set(Object.keys(e.attributes))).reduce((e,t)=>s(e,t),new Set(Object.keys(i[0]?.attributes??[]))),o=this._memoryLimitExceeded;this._addTileStorage(e,new Set(i.map(e=>e.objectId)),r),o&&this._applyCacheMemoryLimits()}_applyCacheMemoryLimits(){if(!this._memoryLimitExceeded)return;const{_tiles:e,featureStore:t,maximumByteSize:s}=this;e.someFromLowestToHighestPriority(e=>!this._memoryLimitExceeded||t.usedMemory-this._estimateRemoveTileMemoryReduction(e)<s||(this._removeTileStorage(e),!1))}_estimateRemoveTileMemoryReduction(e){let t=0;for(const s of e.objectIds){if(1===this._refCounts.get(s)){const e=this.featureStore.getFeature(s);e&&(t+=this.featureStore.estimateFeatureUsedMemory?.(e)??0)}}return t}_hasAttributesForTile(e,t){if(e){const s=this._tiles.get(e);if(s)return!s.objectIds.size||i(t,s.attributeKeys)}return!1}getAttributesForTile(e){return e?this._tiles.get(e)?.attributeKeys:null}destroy(){this.clear(),this._tileFeatureCounts.clear()}clear(){this.featureStore.clear(),this._tileBounds.clear(),this._tiles.clear(),this._refCounts.clear()}refresh(){this.clear(),this._tileFeatureCounts.clear()}processEdits(e,t,s){return this._processEditsDelete(e.deletedFeatures.concat(e.updatedFeatures)),this._processEditsRefetch(e.addedFeatures.concat(e.updatedFeatures),t,s)}_addTileStorage(e,t,s){const i=e.id;this._tiles.set(i,new g(e,t,s)),this._tileBounds.set(i,e.extent),this._tileFeatureCounts.set(i,t.size)}_remove({id:e}){const t=this._tiles.get(e);t&&this._removeTileStorage(t)}_removeTileStorage(e){const t=[];for(const i of e.objectIds)1===this._unreferenceFeature(i)&&t.push(i);this.featureStore.removeManyById(t);const s=e.key.id;this._tiles.delete(s),this._tileBounds.delete(s)}_processEditsDelete(e){this.featureStore.removeManyById(e);for(const t of this._tiles.values()){for(const s of e)t.objectIds.delete(s);this._tileFeatureCounts.set(t.key.id,t.objectIds.size)}for(const t of e)this._refCounts.delete(t)}async _processEditsRefetch(e,t,s){if(!e.length)return;const{features:i}=await t(e,s);for(const r of i){if(this._tmpBoundingRect.fill(0),null==r.geometry||0===r.geometry.vertexCount)continue;u(this._tmpBoundingRect);const e=n(r.geometry,this._tmpBoundingRect);this._tileBounds.forEachInBounds(e,e=>{const t=this._tiles.get(e);this.featureStore.add(r);const s=r.objectId;t.objectIds.has(s)||(t.objectIds.add(s),this._referenceFeature(s),this._tileFeatureCounts.set(t.key.id,t.objectIds.size))})}}process(e,t=()=>!0,s){if(null==this.tileInfo||!e.extent||null!=this.extent&&!c(h(this.extent,this._tmpBoundingRect),e.extent))return new C(e);if(this._memoryLimitExceeded&&!this._tiles.hasLowerPriority(e.id??""))return new C(e);if(this._hasAttributesForTile(e.id,s))return new C(e);const i=this._createTileTree(e,this.tileInfo);return this._simplify(i,t,null,0,1),this._collectMissingTiles(e,i,this.tileInfo,s)}get debugInfo(){return Array.from(this._tiles.values()).map(({key:e})=>({key:e.toJSON(),featureCount:this._tileFeatureCounts.get(e.id)||0}))}getFeatureCount(e){return this._tileFeatureCounts.get(e.id)??0}async fetchCount(e,t,s,i){let r=this._tileFeatureCounts.get(e.id);return null!=r||(r=await _(t,s,i),this._tileFeatureCounts.set(e.id,r)),r}_createTileTree(e,t){const s=new v(e.level,e.row,e.col);return t.updateTileInfo(s,1),this._tileBounds.forEachInBounds(e.extent,i=>{const r=this._tiles.get(i)?.key;r&&y(e,r)&&this._populateChildren(s,r,t,this._tileFeatureCounts.get(r.id)||0)}),s}_populateChildren(e,t,s,i){const r=t.level-e.level-1;if(r<0)return void(e.isLeaf=!0);const o=t.row>>r,n=t.col>>r,l=e.row<<1,u=n-(e.col<<1)+(o-l<<1),c=e.children[u];if(null!=c)this._populateChildren(c,t,s,i);else{const r=new v(e.level+1,o,n);s.updateTileInfo(r,1),e.children[u]=r,this._populateChildren(r,t,s,i)}}_simplify(e,t,s,i,r){const o=r*r;if(e.isLeaf)return t(this.getFeatureCount(e),r)?0:(this._remove(e),null!=s&&(s.children[i]=null),o);const n=r/2,l=n*n;let u=0;for(let c=0;c<e.children.length;c++){const s=e.children[c];u+=null!=s?this._simplify(s,t,e,c,n):l}return 0===u?this._mergeChildren(e):1-u/o<w&&(this._purge(e),null!=s&&(s.children[i]=null),u=o),u}_mergeChildren(e){const t=new Set;let i;this._forEachLeaf(e,e=>{const r=this._tiles.get(e.id);if(r){i=i?s(i,r.attributeKeys):new Set(r.attributeKeys);for(const e of r.objectIds)t.has(e)||(t.add(e),this._referenceFeature(e));this._remove(e)}}),this._addTileStorage(e,t,i??new Set),e.isLeaf=!0,e.children[0]=e.children[1]=e.children[2]=e.children[3]=null,this._tileFeatureCounts.set(e.id,t.size)}_forEachLeaf(e,t){for(const s of e.children)null!=s&&(s.isLeaf?t(s):this._forEachLeaf(s,t))}_purge(e){if(null!=e)if(e.isLeaf)this._remove(e);else for(let t=0;t<e.children.length;t++){const s=e.children[t];this._purge(s),e.children[t]=null}}_collectMissingTiles(e,t,s,i){const r=new S(s,e,this.extent);return this._collectMissingTilesRecurse(t,r,1,i),r.info}_collectMissingTilesRecurse(e,t,s,i){const r=this._tiles.has(e.id)&&!this._hasAttributesForTile(e.id,i);if(r&&t.addMissing(e.level,e.row,e.col,s),e.isLeaf)return;if(!e.hasChildren)return void(r||t.addMissing(e.level,e.row,e.col,s));const o=s/2;for(let n=0;n<e.children.length;n++){const s=e.children[n];null==s?t.addMissing(e.level+1,(e.row<<1)+((2&n)>>1),(e.col<<1)+(1&n),o):this._collectMissingTilesRecurse(s,t,o,i)}}_referenceFeature(e){const t=(this._refCounts.get(e)||0)+1;return this._refCounts.set(e,t),1===t?0:2}_unreferenceFeature(e){const t=(this._refCounts.get(e)||0)-1;return 0===t?(this._refCounts.delete(e),1):(t>0&&this._refCounts.set(e,t),2)}get test(){}};function y(e,t){if(!e||!t)return!1;if(e.level===t.level)return e.row===t.row&&e.col===t.col;const s=e.level<t.level,i=s?e:t,r=s?t:e,o=1<<r.level-i.level;return Math.floor(r.row/o)===i.row&&Math.floor(r.col/o)===i.col}e([r({constructOnly:!0})],p.prototype,"featureStore",void 0),e([r()],p.prototype,"tileInfo",void 0),e([r()],p.prototype,"extent",void 0),e([r()],p.prototype,"maximumByteSize",void 0),p=e([o("esri.views.interactive.snapping.featureSources.featureServiceSource.FeatureServiceTileStore")],p);class g{constructor(e,t,s){this.key=e,this.objectIds=t,this.attributeKeys=s}}class v extends f{constructor(){super(...arguments),this.isLeaf=!1,this.children=[null,null,null,null]}get hasChildren(){return!this.isLeaf&&(null!=this.children[0]||null!=this.children[1]||null!=this.children[2]||null!=this.children[3])}}class C{constructor(e,t=[]){this.missingTiles=t,this.fullArea=0,this.coveredArea=0,this.fullArea=a(e.extent),this.coveredArea=this.fullArea}prepend(e){this.missingTiles=e.missingTiles.concat(this.missingTiles),this.coveredArea+=e.coveredArea,this.fullArea+=e.fullArea}}class S{constructor(e,t,s){this._tileInfo=e,this._extent=null,this.info=new C(t),null!=s&&(this._extent=h(s))}addMissing(e,t,s,i){const r=new f(e,t,s);this._tileInfo.updateTileInfo(r,1)&&(null==this._extent||c(this._extent,r.extent))&&(this.info.missingTiles.push({data:r,resolution:i}),this.info.coveredArea-=a(r.extent))}}const w=.18751;export{p as FeatureServiceTileStore,C as ProcessResult};