{
  "assetKey": "a06-f016-flamingock-probe",
  "kind": "terminal",
  "command": "set -e\nD=$(mktemp -d)\ntrap 'rm -rf \"$D\"' EXIT\n\ncat > \"$D/FlamingockFenceProbe.java\" <<'JAVA'\nimport dev.caskeleton.adapter.outbound.mongo.security.admin.MongoAdminAuthorization;\nimport dev.caskeleton.adapter.outbound.mongo.security.admin.MongoAdminGateway;\nimport dev.caskeleton.adapter.outbound.mongo.security.admin.MongoAdminOperation;\nimport dev.caskeleton.adapter.outbound.mongo.security.admin.MongoAdminRuntimeGuard;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigration;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationChecksum;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationContext;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationId;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationLedger;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationLock;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationPostcondition;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationPrecondition;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationResult;\nimport dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationRunner;\nimport dev.caskeleton.adapter.outbound.mongo.migration.flamingock.FlamingockLockAdapter;\nimport java.time.Clock;\nimport java.time.Duration;\nimport java.time.Instant;\nimport java.time.ZoneOffset;\nimport java.util.List;\nimport java.util.Optional;\nimport java.util.Set;\n\npublic final class FlamingockFenceProbe {\n\n  private static final MongoMigrationId ID = new MongoMigrationId(\"20260829-001\");\n\n  public static void main(String[] args) {\n    FlamingockLockAdapter flamingock =\n        new FlamingockLockAdapter(() -> true, extension -> {}, () -> {});\n    System.out.println(\"FlamingockLockAdapter.held()  = \" + flamingock.held());\n    System.out.println(\"FlamingockLockAdapter.fence() = \" + flamingock.fence()\n        + \"   (UNFENCED = \" + MongoMigrationLock.UNFENCED + \")\");\n    System.out.println();\n\n    MongoMigrationRunner runner = new MongoMigrationRunner(new EmptyLedger());\n    System.out.println(\"[검사가 마이그레이션을 보기 전에 걸린다]\");\n    apply(\"마이그레이션 0건\", runner, List.of(), flamingock);\n    apply(\"재개 불가 1건\", runner, List.of(nonResumable()), flamingock);\n    System.out.println();\n\n    System.out.println(\"[같은 마이그레이션, 펜스가 있는 리스]\");\n    apply(\"재개 불가 1건\", runner, List.of(nonResumable()), new FencedLock(7L));\n    System.exit(0);\n  }\n\n  private static void apply(\n      String what, MongoMigrationRunner runner, List<MongoMigration> migrations,\n      MongoMigrationLock lock) {\n    try {\n      List<MongoMigrationResult> results = runner.apply(migrations, lock, template());\n      System.out.println(\"  \" + what + \" -> 실행, 결과 \" + results.size() + \"건\"\n          + (results.isEmpty() ? \"\" : \" \" + results.get(0).status()));\n    } catch (RuntimeException refused) {\n      System.out.println(\"  \" + what + \" -> 거절, \" + refused.getClass().getSimpleName());\n      System.out.println(\"      \" + refused.getMessage().split(\" \\\\[\")[0]);\n    }\n  }\n\n  /** Completed in one call, so it never produces a checkpoint: not a resumable migration. */\n  private static MongoMigration nonResumable() {\n    return new MongoMigration() {\n      @Override\n      public MongoMigrationId id() {\n        return ID;\n      }\n\n      @Override\n      public MongoMigrationChecksum checksum() {\n        return new MongoMigrationChecksum(\"abc\");\n      }\n\n      @Override\n      public MongoMigrationPrecondition precondition() {\n        return context -> true;\n      }\n\n      @Override\n      public MongoMigrationResult execute(MongoMigrationContext context) {\n        return MongoMigrationResult.completed(1L);\n      }\n\n      @Override\n      public MongoMigrationPostcondition postcondition() {\n        return (context, result) -> true;\n      }\n    };\n  }\n\n  private static MongoMigrationContext template() {\n    MongoAdminGateway gateway =\n        new MongoAdminGateway(\n            new MongoAdminRuntimeGuard(true, \"app-credential\", \"migration-credential\"),\n            MongoAdminAuthorization.routine(Set.of(MongoAdminOperation.APPLY_MIGRATION)),\n            record -> {},\n            Clock.fixed(Instant.EPOCH, ZoneOffset.UTC));\n    return MongoMigrationContext.unleased(\n        ID, gateway, null, 100, Duration.ZERO, Duration.ofMinutes(1), false, \"release-engineer\");\n  }\n\n  private static final class FencedLock implements MongoMigrationLock {\n\n    private final long fence;\n\n    private FencedLock(long fence) {\n      this.fence = fence;\n    }\n\n    @Override\n    public boolean held() {\n      return true;\n    }\n\n    @Override\n    public long fence() {\n      return fence;\n    }\n\n    @Override\n    public void refresh(Duration extension) {}\n\n    @Override\n    public void close() {}\n  }\n\n  private static final class EmptyLedger implements MongoMigrationLedger {\n\n    @Override\n    public Optional<AppliedMigration> find(MongoMigrationId migrationId) {\n      return Optional.empty();\n    }\n\n    @Override\n    public void recordApplied(\n        MongoMigrationId migrationId, MongoMigrationChecksum checksum, String operator,\n        Instant appliedAt, long fence) {}\n\n    @Override\n    public Optional<dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationCheckpoint>\n        findCheckpoint(MongoMigrationId migrationId) {\n      return Optional.empty();\n    }\n\n    @Override\n    public void saveCheckpoint(\n        dev.caskeleton.adapter.outbound.mongo.migration.MongoMigrationCheckpoint checkpoint,\n        long fence) {}\n  }\n}\nJAVA\n\nCACHE=/root/.gradle/caches/modules-2/files-2.1\nLOCK=src/adapter/outbound/persistence-mongo/gradle.lockfile\nCP=src/adapter/outbound/persistence-mongo/build/classes/java/main\nwhile IFS= read -r line; do\n  coord=${line%%=*}; confs=${line#*=}\n  case \",$confs,\" in *\",testRuntimeClasspath,\"*) ;; *) continue ;; esac\n  g=${coord%%:*}; r=${coord#*:}; n=${r%%:*}; v=${r##*:}\n  jar=$(find \"$CACHE/$g/$n/$v\" -name '*.jar' ! -name '*sources*' ! -name '*javadoc*' 2>/dev/null | head -1)\n  [ -n \"$jar\" ] && CP=\"$CP:$jar\"\ndone < <(grep -E '^[a-zA-Z0-9._-]+:[^=]+=' \"$LOCK\")\n\njavac -encoding UTF-8 -cp \"$CP\" -d \"$D\" \"$D/FlamingockFenceProbe.java\"\njava -Dstdout.encoding=UTF-8 -cp \"$D:$CP\" FlamingockFenceProbe 2>&1 \\\n  | grep -vE '^[0-9]{2}:[0-9]{2}:[0-9]{2}[.][0-9]{3} ' ",
  "cwd": "/shared/codebase/clean-architecture-backend-template",
  "exitCode": 0,
  "executedAt": "2026-09-02T07:44:36+00:00",
  "sourceRevision": "21234e38cdb9a926cbc92bb97a2aee2e4a7d2916",
  "raw": "evidence/raw/a06-f016-flamingock-probe.txt",
  "svg": "evidence/rendered/a06-f016-flamingock-probe.svg",
  "rawSha256": "2e858aaef023f1711122a8d67e9da6c74795abb9bab32d5fc7b57fdc8298ce70",
  "lines": 11,
  "redaction": "none — 밀폐 탐침 실행 출력, 자격증명 없음"
}