46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
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import {getMap} from './entities';
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/*
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* create Relations array of Entity arrays
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*/
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export function createRelationsOfEntities(entities,relations){
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const rltnsRry = new Array();
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if(entities.length === 0){
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console.error('relations:createRelationsOfEntities() ntts NOT available');
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return rltnsRry;
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}
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//console.log('relations:createRelationsOfEntities() # ntts: ' + entities.length);
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if(relations.length === 0){
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console.error('relations:createRelationsOfEntities() rltns NOT available');
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return rltnsRry;
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}
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//console.log('relations:createRelationsOfEntities() # rltns: ' + relations.length);
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const entitiesMap = getMap(entities);
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for(let i=0; i<relations.length; i++){
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const relation = relations[i];
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//get From Entity
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let fromEntity = null;
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if(!entitiesMap.has(relation[1])){
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console.error('relations:createRelationsOfEntities() From Entity NOT known');
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return rltnsRry;
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}else{
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fromEntity = entitiesMap.get(relation[1]);
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}
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//get To Entity
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let toEntity = null;
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if(!entitiesMap.has(relation[2])){
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console.error('relations:createRelationsOfEntities() To Entity NOT known');
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return rltnsRry;
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}else{
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toEntity = entitiesMap.get(relation[2]);
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}
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const rry = [fromEntity, toEntity];
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rltnsRry.push(rry);
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//console.log('relations:createRelationsOfEntities() # rltnsRry: ' + rltnsRry.length);
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}
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//console.log('relations:createRelationsOfEntities() # rltnsRry: ' + rltnsRry.length);
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return rltnsRry;
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}
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