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Moved types to different file - working on making paired links (mutua…
…l links) much faster and better.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
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| import { CustomLink, LinkStatus } from 'types'; | ||
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| // Create a mapping from numeric values to string values | ||
| const LinkStatusStringMap: Record<LinkStatus, 'first' | 'second' | 'none'> = { | ||
| [LinkStatus.First]: 'first', | ||
| [LinkStatus.Second]: 'second', | ||
| [LinkStatus.None]: 'none', | ||
| }; | ||
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| export class LinkManager { | ||
| linksMap: Map<string, CustomLink>; | ||
| linkStatus: Map<string, LinkStatus>; | ||
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| constructor() { | ||
| this.linksMap = new Map<string, CustomLink>(); | ||
| this.linkStatus = new Map<string, LinkStatus>(); | ||
| } | ||
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| generateKey(sourceId: string, targetId: string): string { | ||
| return `${sourceId}-${targetId}`; | ||
| } | ||
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| addLink(link: CustomLink): void { | ||
| const key = this.generateKey(link.source.id, link.target.id); | ||
| const reverseKey = this.generateKey(link.target.id, link.source.id); | ||
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| // Add the new link | ||
| this.linksMap.set(key, link); | ||
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| // Manage the pair statuses | ||
| if (this.linksMap.has(reverseKey)) { | ||
| // If the reverse link is already present, set the statuses accordingly | ||
| this.linkStatus.set(key, LinkStatus.Second); | ||
| this.linkStatus.set(reverseKey, LinkStatus.First); | ||
| } else { | ||
| // If it's a standalone link (no pair yet), do not assign a pair status | ||
| // This will be managed when the reverse link is added (if it happens) | ||
| } | ||
| } | ||
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| removeLink(link: CustomLink): void { | ||
| const key = this.generateKey(link.source.id, link.target.id); | ||
| const reverseKey = this.generateKey(link.target.id, link.source.id); | ||
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| this.linksMap.delete(key); | ||
| if (this.linkStatus.has(key)) { | ||
| this.linkStatus.delete(key); | ||
| } | ||
| if (this.linkStatus.get(reverseKey) === LinkStatus.Second) { | ||
| this.linkStatus.delete(reverseKey); | ||
| } | ||
| } | ||
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| updateLinks(currentLinks: CustomLink[]): void { | ||
| const currentKeys = new Set(currentLinks.map(link => this.generateKey(link.source.id, link.target.id))); | ||
| for (const key of this.linksMap.keys()) { | ||
| if (!currentKeys.has(key)) { | ||
| const link = this.linksMap.get(key); | ||
| if (link) { | ||
| this.removeLink(link); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| getLinkStatus(key: string): 'first' | 'second' | 'none' { | ||
| return LinkStatusStringMap[this.linkStatus.get(key) || LinkStatus.None]; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
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| import { CustomLink } from './types'; | ||
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| class LinkManager { | ||
| private linksMap: Map<string, CustomLink>; | ||
| private linkStatus: Map<string, 'first' | 'second'>; | ||
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| constructor() { | ||
| this.linksMap = new Map<string, CustomLink>(); | ||
| this.linkStatus = new Map<string, 'first' | 'second'>(); | ||
| } | ||
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| private generateKey(sourceId: string, targetId: string): string { | ||
| return `${sourceId}-${targetId}`; | ||
| } | ||
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| addLink(link: Link): void { | ||
| const key = this.generateKey(link.source.id, link.target.id); | ||
| const reverseKey = this.generateKey(link.target.id, link.source.id); | ||
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| // Add the new link | ||
| this.linksMap.set(key, link); | ||
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| // Manage the pair statuses | ||
| if (this.linksMap.has(reverseKey)) { | ||
| // If the reverse link is already present, set the statuses accordingly | ||
| this.linkStatus.set(key, 'second'); | ||
| this.linkStatus.set(reverseKey, 'first'); | ||
| } else { | ||
| // If it's a standalone link (no pair yet), do not assign a pair status | ||
| // This will be managed when the reverse link is added (if it happens) | ||
| } | ||
| } | ||
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| removeLink(link: Link): void { | ||
| const key = this.generateKey(link.source.id, link.target.id); | ||
| const reverseKey = this.generateKey(link.target.id, link.source.id); | ||
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| this.linksMap.delete(key); | ||
| if (this.linkStatus.has(key)) { | ||
| this.linkStatus.delete(key); | ||
| } | ||
| if (this.linkStatus.get(reverseKey) === 'second') { | ||
| this.linkStatus.delete(reverseKey); | ||
| } | ||
| } | ||
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| updateLinks(currentLinks: Link[]): void { | ||
| const currentKeys = new Set(currentLinks.map(link => this.generateKey(link.source.id, link.target.id))); | ||
| for (const key of this.linksMap.keys()) { | ||
| if (!currentKeys.has(key)) { | ||
| const link = this.linksMap.get(key); | ||
| if (link) { | ||
| this.removeLink(link); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| getLinkStatus(key: string): 'first' | 'second' | 'none' { | ||
| return this.linkStatus.get(key) || 'none'; | ||
| } | ||
| } | ||
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| // Example frames: Each frame is an array of links | ||
| const frames: Link[][] = [ | ||
| // Frame 1: Simple links, some will form pairs later | ||
| [{ source: { id: "A" }, target: { id: "B" } }, | ||
| { source: { id: "C" }, target: { id: "D" } }], | ||
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| // Frame 2: Adding reverse links to form pairs and keeping existing links | ||
| [{ source: { id: "A" }, target: { id: "B" } }, // Existing link | ||
| { source: { id: "B" }, target: { id: "A" } }, // Forms a pair with Frame 1's A-B | ||
| { source: { id: "C" }, target: { id: "D" } }, // Existing link | ||
| { source: { id: "E" }, target: { id: "F" } }], // New link | ||
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| // Frame 3: Keeping a pair, removing a single link, adding a new link | ||
| [{ source: { id: "A" }, target: { id: "B" } }, // Existing link | ||
| { source: { id: "B" }, target: { id: "A" } }, // Existing pair | ||
| { source: { id: "G" }, target: { id: "H" } }], // New link | ||
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| // Frame 4: | ||
| [{ source: { id: "B" }, target: { id: "A" } }, | ||
| { source: { id: "G" }, target: { id: "H" } }], // New link | ||
| ]; | ||
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| const linkManager = new LinkManager(); | ||
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| frames.forEach((frame, frameIndex) => { | ||
| console.log(`Frame ${frameIndex + 1}:`); | ||
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| // Update link manager with the current frame's links | ||
| linkManager.updateLinks(frame); | ||
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| // Process links | ||
| frame.forEach(link => { | ||
| const key = linkManager.generateKey(link.source.id, link.target.id); | ||
| if (!linkManager.linksMap.has(key)) { | ||
| linkManager.addLink(link); | ||
| } | ||
| const status = linkManager.getLinkStatus(key); | ||
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| // Print link status | ||
| if (status === 'first') { | ||
| console.log('\n' + key); | ||
| } else if (status === 'second') { | ||
| console.log(key + '\n'); | ||
| } else { | ||
| console.log(key); // Not part of a pair | ||
| } | ||
| }); | ||
| }); |
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