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asteris-llc/converge

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graph/graph.go

Summary

Maintainability
D
2 days
Test Coverage

Function dependencyWalk has a Cognitive Complexity of 53 (exceeds 20 allowed). Consider refactoring.
Open

func dependencyWalk(rctx context.Context, g *Graph, cb WalkFunc) error {
    // the basic idea of this implementation is that we want to defer schedule
    // children of any given node until after that node's non-child dependencies
    // are satisfied. We're going to have a couple major components of this.
    // First, a scheduler/latch to make sure we don't schedule work more than
Severity: Minor
Found in graph/graph.go - About 5 hrs to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Graph has 33 methods (exceeds 20 allowed). Consider refactoring.
Open

type Graph struct {
    inner  *dag.AcyclicGraph
    values cmap.ConcurrentMap

    innerLock *sync.RWMutex
Severity: Minor
Found in graph/graph.go - About 4 hrs to fix

    Function dependencyWalk has 127 lines of code (exceeds 50 allowed). Consider refactoring.
    Open

    func dependencyWalk(rctx context.Context, g *Graph, cb WalkFunc) error {
    // the basic idea of this implementation is that we want to defer schedule
    // children of any given node until after that node's non-child dependencies
    // are satisfied. We're going to have a couple major components of this.
    // First, a scheduler/latch to make sure we don't schedule work more than
    Severity: Major
    Found in graph/graph.go - About 4 hrs to fix

      Function dependencyWalk has 14 return statements (exceeds 4 allowed).
      Open

      func dependencyWalk(rctx context.Context, g *Graph, cb WalkFunc) error {
    // the basic idea of this implementation is that we want to defer schedule
    // children of any given node until after that node's non-child dependencies
    // are satisfied. We're going to have a couple major components of this.
    // First, a scheduler/latch to make sure we don't schedule work more than
      Severity: Major
      Found in graph/graph.go - About 1 hr to fix

        Method Graph.IsNibling has 5 return statements (exceeds 4 allowed).
        Open

        func (g *Graph) IsNibling(fst, snd string) bool {
    sndID, sndHasParent := g.GetParentID(snd)
    if !sndHasParent {
        return false
    }
        Severity: Major
        Found in graph/graph.go - About 35 mins to fix

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          func (g *Graph) SafeDisconnect(from, to string) error {
    g.innerLock.Lock()
    defer g.innerLock.Unlock()

    g.inner.RemoveEdge(dag.BasicEdge(from, to))
          Severity: Major
          Found in graph/graph.go and 1 other location - About 1 hr to fix
          graph/graph.go on lines 173..184

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 139.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          func (g *Graph) SafeConnect(from, to string) error {
    g.innerLock.Lock()
    defer g.innerLock.Unlock()

    g.inner.Connect(dag.BasicEdge(from, to))
          Severity: Major
          Found in graph/graph.go and 1 other location - About 1 hr to fix
          graph/graph.go on lines 195..206

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 139.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          func (g *Graph) UpEdges(id string) (out []dag.Edge) {
    g.innerLock.RLock()
    defer g.innerLock.RUnlock()

    for _, edge := range g.inner.Edges() {
          Severity: Minor
          Found in graph/graph.go and 1 other location - About 55 mins to fix
          graph/graph.go on lines 223..234

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 123.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

          func (g *Graph) DownEdges(id string) (out []dag.Edge) {
    g.innerLock.RLock()
    defer g.innerLock.RUnlock()

    for _, edge := range g.inner.Edges() {
          Severity: Minor
          Found in graph/graph.go and 1 other location - About 55 mins to fix
          graph/graph.go on lines 209..220

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 123.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

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