{
  "code": null,
  "collection": "architecture",
  "href": "https://banes-lab.com/ontology#architecture-impact-analysis",
  "id": "impact-analysis",
  "kind": "activity",
  "layer": {
    "href": "https://banes-lab.com/ontology/schema#layer-evolution-principles",
    "json": "https://banes-lab.com/json/records/layer/evolution-principles",
    "label": "Evolution Principles",
    "markdown": "https://banes-lab.com/records/layer/evolution-principles.md",
    "ref": "layer:evolution-principles"
  },
  "name": "Impact Analysis",
  "ref": "architecture:impact-analysis",
  "relations": [
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-dependency-graph",
          "json": "https://banes-lab.com/json/records/architecture/dependency-graph",
          "label": "Dependency Graph",
          "markdown": "https://banes-lab.com/records/architecture/dependency-graph.md",
          "ref": "architecture:dependency-graph"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-contracts",
          "json": "https://banes-lab.com/json/records/lexicon/contracts",
          "label": "Contracts",
          "markdown": "https://banes-lab.com/records/lexicon/contracts.md",
          "ref": "lexicon:contracts"
        }
      ],
      "relation": "requires"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-change-safety",
          "json": "https://banes-lab.com/json/records/lexicon/change-safety",
          "label": "Change Safety",
          "markdown": "https://banes-lab.com/records/lexicon/change-safety.md",
          "ref": "lexicon:change-safety"
        }
      ],
      "relation": "reinforces"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-regression-scope-selection",
          "json": "https://banes-lab.com/json/records/lexicon/regression-scope-selection",
          "label": "Regression Scope Selection",
          "markdown": "https://banes-lab.com/records/lexicon/regression-scope-selection.md",
          "ref": "lexicon:regression-scope-selection"
        }
      ],
      "relation": "enables"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-blind-change",
          "json": "https://banes-lab.com/json/records/lexicon/blind-change",
          "label": "Blind Change",
          "markdown": "https://banes-lab.com/records/lexicon/blind-change.md",
          "ref": "lexicon:blind-change"
        }
      ],
      "relation": "conflicts-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-analysis-overhead",
          "json": "https://banes-lab.com/json/records/lexicon/analysis-overhead",
          "label": "Analysis Overhead",
          "markdown": "https://banes-lab.com/records/lexicon/analysis-overhead.md",
          "ref": "lexicon:analysis-overhead"
        }
      ],
      "relation": "tensions-with"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#tension-analysis-overhead-impact-analysis",
          "json": "https://banes-lab.com/json/records/tension/analysis-overhead-impact-analysis",
          "label": "Impact Analysis / Analysis Overhead",
          "markdown": "https://banes-lab.com/records/tension/analysis-overhead-impact-analysis.md",
          "ref": "tension:analysis-overhead-impact-analysis"
        }
      ],
      "relation": "tensions"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-blind-change",
          "json": "https://banes-lab.com/json/records/lexicon/blind-change",
          "label": "Blind Change",
          "markdown": "https://banes-lab.com/records/lexicon/blind-change.md",
          "ref": "lexicon:blind-change"
        }
      ],
      "relation": "violated-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-unit-tests",
          "json": "https://banes-lab.com/json/records/lexicon/unit-tests",
          "label": "Unit Tests",
          "markdown": "https://banes-lab.com/records/lexicon/unit-tests.md",
          "ref": "lexicon:unit-tests"
        }
      ],
      "relation": "refactored-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology/schema#vocabulary-severity-recommended",
          "json": "https://banes-lab.com/json/records/vocabulary/severity-recommended",
          "label": "recommended",
          "markdown": "https://banes-lab.com/records/vocabulary/severity-recommended.md",
          "ref": "vocabulary:severity-recommended"
        }
      ],
      "relation": "severity"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-category-architecture-review-evolution-governance-artifacts",
          "json": "https://banes-lab.com/json/records/architecture-category/architecture-review-evolution-governance-artifacts",
          "label": "Architecture Review / Evolution / Governance Artifacts",
          "markdown": "https://banes-lab.com/records/architecture-category/architecture-review-evolution-governance-artifacts.md",
          "ref": "architecture-category:architecture-review-evolution-governance-artifacts"
        }
      ],
      "relation": "category"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/ontology#architecture-causal-dependency",
          "json": "https://banes-lab.com/json/records/architecture/causal-dependency",
          "label": "Causal Dependency",
          "markdown": "https://banes-lab.com/records/architecture/causal-dependency.md",
          "ref": "architecture:causal-dependency"
        }
      ],
      "relation": "enabled-by"
    },
    {
      "links": [
        {
          "href": "https://banes-lab.com/disciplined-methodology/plan#the-flat-checklist",
          "json": "https://banes-lab.com/json/disciplined-methodology/plan/the-flat-checklist",
          "label": "The plan is a graph",
          "markdown": "https://banes-lab.com/disciplined-methodology/plan/the-flat-checklist.md",
          "ref": "chapter:/disciplined-methodology/plan#the-flat-checklist"
        },
        {
          "href": "https://banes-lab.com/disciplined-methodology/verify#moves-and-renames",
          "json": "https://banes-lab.com/json/disciplined-methodology/verify/moves-and-renames",
          "label": "Moves and renames",
          "markdown": "https://banes-lab.com/disciplined-methodology/verify/moves-and-renames.md",
          "ref": "chapter:/disciplined-methodology/verify#moves-and-renames"
        },
        {
          "href": "https://banes-lab.com/software-architecture#a-system-is-a-graph",
          "json": "https://banes-lab.com/json/software-architecture/model/a-system-is-a-graph",
          "label": "A system is a graph",
          "markdown": "https://banes-lab.com/software-architecture/model/a-system-is-a-graph.md",
          "ref": "chapter:/software-architecture#a-system-is-a-graph"
        },
        {
          "href": "https://banes-lab.com/ontology#architecture-category-causality-ordering-distributed-time",
          "json": "https://banes-lab.com/json/ontology/principles/architecture-category-causality-ordering-distributed-time",
          "label": "Causality / Ordering / Distributed Time",
          "markdown": "https://banes-lab.com/ontology/principles/architecture-category-causality-ordering-distributed-time.md",
          "ref": "chapter:/ontology#architecture-category-causality-ordering-distributed-time"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-architecture-review-evolution-governance",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-architecture-review-evolution-governance",
          "label": "Architecture Review Evolution Governance",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-architecture-review-evolution-governance.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-architecture-review-evolution-governance"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-core-vocabulary",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-core-vocabulary",
          "label": "Core Vocabulary",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-core-vocabulary.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-core-vocabulary"
        },
        {
          "href": "https://banes-lab.com/ontology/lexicon#lexicon-category-correctness-determinism-verification",
          "json": "https://banes-lab.com/json/ontology/lexicon/lexicon-category-correctness-determinism-verification",
          "label": "Correctness / Determinism / Verification",
          "markdown": "https://banes-lab.com/ontology/lexicon/lexicon-category-correctness-determinism-verification.md",
          "ref": "chapter:/ontology/lexicon#lexicon-category-correctness-determinism-verification"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-vocabulary-severity",
          "json": "https://banes-lab.com/json/ontology/schema/the-vocabulary-severity",
          "label": "Severity levels",
          "markdown": "https://banes-lab.com/ontology/schema/the-vocabulary-severity.md",
          "ref": "chapter:/ontology/schema#the-vocabulary-severity"
        },
        {
          "href": "https://banes-lab.com/ontology/schema#the-resolutions",
          "json": "https://banes-lab.com/json/ontology/schema/the-resolutions",
          "label": "The resolutions",
          "markdown": "https://banes-lab.com/ontology/schema/the-resolutions.md",
          "ref": "chapter:/ontology/schema#the-resolutions"
        }
      ],
      "relation": "linked-from"
    }
  ],
  "summary": "The activity of tracing a change through the dependency graph to find every consumer it affects.",
  "siblings": {
    "next": {
      "href": "https://banes-lab.com/ontology#architecture-gap-analysis",
      "json": "https://banes-lab.com/json/records/architecture/gap-analysis",
      "label": "Gap Analysis",
      "markdown": "https://banes-lab.com/records/architecture/gap-analysis.md",
      "ref": "architecture:gap-analysis"
    },
    "previous": {
      "href": "https://banes-lab.com/ontology#architecture-code-review",
      "json": "https://banes-lab.com/json/records/architecture/code-review",
      "label": "Code Review",
      "markdown": "https://banes-lab.com/records/architecture/code-review.md",
      "ref": "architecture:code-review"
    }
  },
  "up": {
    "href": null,
    "json": "https://banes-lab.com/json/api/records/architecture",
    "label": "Architecture principles",
    "markdown": "https://banes-lab.com/api/records/architecture.md",
    "ref": "api:records/architecture"
  },
  "aliases": [],
  "exemplar": {
    "after": "const impact = dependencyGraph.impactOf({\n  contract: \"FooV1.name\",\n  change: \"rename-to-label\",\n});\nfor (const consumer of impact.consumers) requireMigration(consumer);\nrenameFooField(\"name\", \"label\");",
    "before": "renameFooField(\"name\", \"label\");",
    "lang": "ts",
    "medium": "code"
  },
  "formedBy": null,
  "scope": [
    "change",
    "dependency graph",
    "API"
  ],
  "severity": "recommended"
}
