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

    public String toString() {
        Traverser<K,V,Object> it = new Traverser<K,V,Object>(this);
        StringBuilder sb = new StringBuilder();
        sb.append('{');
        Object v;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 2 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 3160..3177

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 151.

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

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

    public String toString() {
        Traverser<K,V,Object> it = new Traverser<K,V,Object>(this);
        StringBuilder sb = new StringBuilder();
        sb.append('{');
        Object v;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 2 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 3168..3185

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 151.

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

Class NonConcurrentCacheBackend has 22 methods (exceeds 20 allowed). Consider refactoring.
Open

  class NonConcurrentCacheBackend
    # WARNING: all public methods of the class must operate on the @backend
    # directly without calling each other. This is important because of the
    # SynchronizedCacheBackend which uses a non-reentrant mutex for perfomance
    # reasons.
Severity: Minor
Found in lib/thread_safe/non_concurrent_cache_backend.rb - About 2 hrs to fix

    Method internalClear has 58 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

        private final void internalClear() {
        long delta = 0L; // negative number of deletions
        int i = 0;
        Node[] tab = table;
        while (tab != null && i < tab.length) {
    Severity: Major
    Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java - About 2 hrs to fix

      Method internalClear has 58 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          private final void internalClear() {
        long delta = 0L; // negative number of deletions
        int i = 0;
        AtomicReferenceArray<Node> tab = table;
        while (tab != null && i < tab.length()) {
      Severity: Major
      Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java - About 2 hrs to fix

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

                    else if ((fh = f.hash) == MOVED) {
                if ((fk = f.key) instanceof TreeBin) {
                    TreeBin t = (TreeBin)fk;
                    Object oldVal = null;
                    t.acquire(0);
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 2 hrs to fix
        ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1482..1505

        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 148.

        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

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

                    else if ((f = tabAt(tab, i = (tab.length() - 1) & h)) == null) {
                Node node = new Node(fh = h | LOCKED, k, null, null);
                if (casTabAt(tab, i, null, node)) {
                    count = 1;
                    try {
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 2 hrs to fix
        ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1581..1599

        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 148.

        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

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

                    else if ((fh = f.hash) == MOVED) {
                if ((fk = f.key) instanceof TreeBin) {
                    TreeBin t = (TreeBin)fk;
                    Object oldVal = null;
                    t.acquire(0);
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 2 hrs to fix
        ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1474..1497

        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 148.

        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

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

                    else if ((f = tabAt(tab, i = (tab.length - 1) & h)) == null) {
                Node node = new Node(fh = h | LOCKED, k, null, null);
                if (casTabAt(tab, i, null, node)) {
                    count = 1;
                    try {
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 2 hrs to fix
        ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1573..1591

        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 148.

        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

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

            @SuppressWarnings("unchecked") private void writeObject(java.io.ObjectOutputStream s)
            throws java.io.IOException {
        if (segments == null) { // for serialization compatibility
            segments = (Segment<K,V>[])
                    new Segment<?,?>[DEFAULT_CONCURRENCY_LEVEL];
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 2 hrs to fix
        ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 3346..3364

        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 144.

        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

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

            @SuppressWarnings("unchecked") private void writeObject(java.io.ObjectOutputStream s)
            throws java.io.IOException {
        if (segments == null) { // for serialization compatibility
            segments = (Segment<K,V>[])
                    new Segment<?,?>[DEFAULT_CONCURRENCY_LEVEL];
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 2 hrs to fix
        ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 3354..3372

        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 144.

        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

        Method each_pair has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
        Open

            def each_pair
      return self unless current_table = table
      current_table_size = base_size = current_table.size
      i = base_index = 0
      while base_index < base_size
        Severity: Minor
        Found in lib/thread_safe/atomic_reference_cache_backend.rb - About 2 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

        Method attempt_get_and_set has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
        Open

            def attempt_get_and_set(key, value, hash, current_table, i, node, node_hash)
      node_nesting = nil
      current_table.try_lock_via_hash(i, node, node_hash) do
        node_nesting    = 1
        old_value       = nil
        Severity: Minor
        Found in lib/thread_safe/atomic_reference_cache_backend.rb - About 2 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

        Method get_and_set has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
        Open

            def get_and_set(key, value) # internalPut in the original CHMV8
      hash          = key_hash(key)
      current_table = table || initialize_table
      while true
        if !(node = current_table.volatile_get(i = current_table.hash_to_index(hash)))
        Severity: Minor
        Found in lib/thread_safe/atomic_reference_cache_backend.rb - About 1 hr 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

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

            public ConcurrentHashMapV8(int initialCapacity,
                               float loadFactor, int concurrencyLevel) {
        if (!(loadFactor > 0.0f) || initialCapacity < 0 || concurrencyLevel <= 0)
            throw new IllegalArgumentException();
        if (initialCapacity < concurrencyLevel)   // Use at least as many bins
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 1 hr to fix
        ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 2584..2595

        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 124.

        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

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

            public ConcurrentHashMapV8(int initialCapacity,
                               float loadFactor, int concurrencyLevel) {
        if (!(loadFactor > 0.0f) || initialCapacity < 0 || concurrencyLevel <= 0)
            throw new IllegalArgumentException();
        if (initialCapacity < concurrencyLevel)   // Use at least as many bins
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 1 hr to fix
        ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 2592..2603

        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 124.

        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

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

                    for (e = tabAt(tab, (tab.length() - 1) & h); e != null; e = e.next) {
                if ((eh = e.hash) == MOVED) {
                    if ((ek = e.key) instanceof TreeBin)  // search TreeBin
                        return ((TreeBin)ek).getValue(h, k);
                    else {                        // restart with new table
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 1 hr to fix
        ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1241..1253

        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 122.

        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

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

                    for (e = tabAt(tab, (tab.length - 1) & h); e != null; e = e.next) {
                if ((eh = e.hash) == MOVED) {
                    if ((ek = e.key) instanceof TreeBin)  // search TreeBin
                        return ((TreeBin)ek).getValue(h, k);
                    else {                        // restart with new table
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 1 hr to fix
        ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1233..1245

        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 122.

        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

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

            @SuppressWarnings("serial") static final class EntryIterator<K,V> extends Traverser<K,V,Object>
            implements Spliterator<Map.Entry<K,V>> {
        EntryIterator(ConcurrentHashMapV8<K, V> map) { super(map); }
        EntryIterator(Traverser<K,V,Object> it) {
            super(it);
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 1 hr to fix
        ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 3268..3288

        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 120.

        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

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

            @SuppressWarnings("serial") static final class EntryIterator<K,V> extends Traverser<K,V,Object>
            implements Spliterator<Map.Entry<K,V>> {
        EntryIterator(ConcurrentHashMapV8<K, V> map) { super(map); }
        EntryIterator(Traverser<K,V,Object> it) {
            super(it);
        Severity: Major
        Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 1 hr to fix
        ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 3260..3280

        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 120.

        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

        Severity
        Category
        Status
        Source
        Language