@arcgis/core/arcade/featureset/sources/FeatureLayerMemory.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{neverAbortedSignal as e}from"../../arcadeEnvironment.js";import{throwIfCancelled as t,FeatureSetError as r}from"../support/errorsupport.js";import{RootFeatureSet as i,emptyFeaturesResult as s,assignSpatialReferenceOnFeatures as a}from"../support/FeatureSet.js";import{defaultMaxRecords as l}from"../support/shared.js";import{toWhereClause as n}from"../support/sqlUtils.js";import{splitIntoChunks as o}from"../../../core/arrayUtils.js";import{sqlAnd as y}from"../../../core/sql.js";import u from"../../../geometry/Geometry.js";import p from"../../../layers/FeatureLayer.js";import h from"../../../layers/support/FeatureType.js";import d from"../../../layers/support/Field.js";class c extends i{constructor(e){super(),this.declaredClass="esri.arcade.featureset.sources.FeatureLayerMemory",this._removeGeometry=!1,this._overrideFields=null,this._forceIsTable=!1,this._maxProcessing=1e3,this._layer=e.layer,e.spatialReference&&(this.spatialReference=e.spatialReference),!0===e.isTable&&(this._forceIsTable=!0),void 0!==e.outFields&&(this._overrideFields=e.outFields),void 0!==e.includeGeometry&&(this._removeGeometry=!1===e.includeGeometry)}_maxQueryRate(){return l}async loadImpl(){return!0===this._layer.loaded?(this._initialiseFeatureSet(),this):(await this._layer.load(),this._initialiseFeatureSet(),this)}get gdbVersion(){return""}_initialiseFeatureSet(){if(this.spatialReference??=this._layer.spatialReference,this.geometryType=this._layer.geometryType??"",this.fields=this._layer.fields.slice(),null!==this._overrideFields)if(1===this._overrideFields.length&&"*"===this._overrideFields[0])this._overrideFields=null;else{const e=new Set(this._overrideFields.map(e=>e.toLowerCase()));this.fields=this.fields.filter(({type:t,name:r})=>"oid"===t||this._layer.objectIdField===r||e.has(r.toLowerCase())),this._overrideFields=this.fields.map(({name:e})=>e)}this.objectIdField=this._layer.objectIdField;for(const e of this.fields)"global-id"===e.type&&(this.globalIdField=e.name);this._databaseType=0,this.hasZ=!0===this._layer.capabilities?.data?.supportsZ,this.hasM=!0===this._layer.capabilities?.data?.supportsM,this.subtypeField=("subtypeField"in this._layer?this._layer.subtypeField:null)??"",this.subtypes="subtypes"in this._layer?this._layer.subtypes:null,this.typeIdField=("typeIdField"in this._layer?this._layer.typeIdField:null)??"",this.types="types"in this._layer?this._layer.types:null}isTable(){return this._forceIsTable||"isTable"in this._layer&&this._layer.isTable||"table"===this._layer.type||!this._layer.geometryType}async _queryAll(){return(await this.query({abortSignal:e})).features}_queryLayerFeaturesJSON(e){return"queryFeaturesJSON"in this._layer?this._layer.queryFeaturesJSON(e):this._layer.source.queryFeaturesJSON(e)}async query(e){await this._ensureLoaded();let r="",i=!1;if(null!=e.orderBy&&(r=e.orderBy.constructClause(),i=!0),this.isTable()&&null!=e.spatialFilter)return s;const l=this._createQuery();return l.where=y(l.where,null==e.where?null==e.spatialFilter?"1=1":"":n(e.where,0)),null!=e.spatialFilter&&(l.spatialRelationship=this._makeRelationshipEnum(e.spatialFilter.relation),l.relationParameter=this._makeRelationshipParam(e.spatialFilter.relation),l.geometry=e.spatialFilter.geometry),l.outSpatialReference=this.spatialReference,l.orderByFields=""!==r?r.split(","):null,{filterApplied:!0,spatialFilterApplied:!0,ordered:i,features:async function*(){const r=await this._queryLayerFeaturesJSON(l);t(e.abortSignal);for(const e of o(r.features,this._maxQueryRate()))a(e,r.spatialReference??this.spatialReference.toJSON()),yield e}.apply(this)}}async queryStat(e){return{calculated:!1}}async canQueryAggregate(e){return!1}async queryAggregate(e){throw new r("NeverReach")}_createQuery(){const e=this._layer.createQuery();return e.returnZ=this.hasZ,e.returnM=this.hasM,e.outFields=this._overrideFields??["*"],e.returnGeometry=!this._removeGeometry,e}_makeRelationshipEnum(e){if(e.includes("esriSpatialRelRelation"))return"relation";switch(e){case"esriSpatialRelRelation":return"relation";case"esriSpatialRelIntersects":return"intersects";case"esriSpatialRelContains":return"contains";case"esriSpatialRelOverlaps":return"overlaps";case"esriSpatialRelWithin":return"within";case"esriSpatialRelTouches":return"touches";case"esriSpatialRelCrosses":return"crosses";case"esriSpatialRelEnvelopeIntersects":return"envelope-intersects"}return e}_makeRelationshipParam(e){return e.includes("esriSpatialRelRelation")?e.split(":")[1]:""}relationshipMetadata(){return[]}nativeCapabilities(){return{title:this._layer.title??"",canQueryRelated:!1,source:this,capabilities:this._layer.capabilities,databaseType:this._databaseType,requestStandardised:!0}}static create(e,t){let r=e.layerDefinition.objectIdField;const i=e.layerDefinition.typeIdField??"",s=[];if(e.layerDefinition.types)for(const u of e.layerDefinition.types)s.push(h.fromJSON(u));let a=e.layerDefinition.geometryType;void 0===a&&(a=e.featureSet.geometryType||"");let l=e.featureSet.features;if(!r){let t=!1;for(const i of e.layerDefinition.fields)if("oid"===i.type||"esriFieldTypeOID"===i.type){r=i.name,t=!0;break}if(!1===t){let t="FID",i=!0,s=0;for(;i;){let r=!0;for(const i of e.layerDefinition.fields)if(i.name===t){r=!1;break}!0===r?i=!1:(s++,t="FID"+s.toString())}e.layerDefinition.fields.push({type:"esriFieldTypeOID",name:t,alias:t});const a=[];for(let r=0;r<l.length;r++)a.push({geometry:e.featureSet.features[r].geometry,attributes:{...e.featureSet.features[r].attributes,[t]:r}});l=a,r=t}}const n=[];for(const u of e.layerDefinition.fields)u instanceof d?n.push(u):n.push(d.fromJSON(u));let o=a;switch(o||(o=""),o){case"esriGeometryPoint":o="point";break;case"esriGeometryPolyline":o="polyline";break;case"esriGeometryPolygon":o="polygon";break;case"esriGeometryEnvelope":o="extent";break;case"esriGeometryMultipoint":o="multipoint";break;case"":case"esriGeometryNull":o="esriGeometryNull"}if("esriGeometryNull"!==o){const e=t.toJSON();for(const t of l)t.geometry&&t.geometry instanceof u==!1&&(t.geometry.type=o,void 0===t.geometry.spatialReference&&(t.geometry.spatialReference=e))}else for(const u of l)u.geometry&&(u.geometry=null);const y={outFields:["*"],source:l,fields:n,hasZ:!0===e.layerDefinition.hasZ||!0===e.featureSet.hasZ,hasM:!0===e.layerDefinition.hasM||!0===e.featureSet.hasM,types:s,typeIdField:i,objectIdField:r,spatialReference:t},f="esriGeometryNull"===o||null===o;f||(y.geometryType=o);const m=new p(y);return e.layerDefinition.subtypeField&&e.layerDefinition.subtypes&&m.read({subtypes:e.layerDefinition.subtypes,subtypeField:e.layerDefinition.subtypeField}),new c({layer:m,spatialReference:t,isTable:f})}async queryAttachments(){return[]}async getFeatureByObjectId(e){const t=this._createQuery();t.where=this.objectIdField+"="+e.toString();const r=await this._queryLayerFeaturesJSON(t);return 1===r.features.length?(a(r.features,r.spatialReference??this.spatialReference.toJSON()),r.features[0]):null}serviceUrl(){return""}async getOwningSystemUrl(){return""}async getIdentityUser(){return""}get preferredTimeZone(){return"preferredTimeZone"in this._layer?this._layer.preferredTimeZone:null}get dateFieldsTimeZone(){return"dateFieldsTimeZone"in this._layer?this._layer.dateFieldsTimeZone:null}get datesInUnknownTimezone(){return"datesInUnknownTimezone"in this._layer&&this._layer.datesInUnknownTimezone}get editFieldsInfo(){return"editFieldsInfo"in this._layer?this._layer.editFieldsInfo:null}get timeInfo(){return"timeInfo"in this._layer?this._layer.timeInfo:null}async getFeatureSetInfo(){const e=this._layer.title&&this._layer.parent;return{layerId:null,layerName:null,itemId:null,serviceLayerUrl:null,webMapLayerId:e?this._layer.id??null:null,webMapLayerTitle:e?this._layer.title??null:null,className:null,objectClassId:null}}}export{c as default};