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

                try {
                    if (tabAt(tab, i) == f) {
                        count = 1;
                        for (Node e = f, pred = null;; ++count) {
                            Object ek, ev;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 5 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1877..1914

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 322.

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

                try {
                    if (tabAt(tab, i) == f) {
                        count = 1;
                        for (Node e = f, pred = null;; ++count) {
                            Object ek, ev;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 5 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1885..1922

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 322.

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 static class KeySetView<K,V> extends CHMView<K,V> implements Set<K>, java.io.Serializable {
        private static final long serialVersionUID = 7249069246763182397L;
        private final V value;
        KeySetView(ConcurrentHashMapV8<K, V> map, V value) {  // non-public
            super(map);
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 4 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 3629..3689

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 269.

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 static class KeySetView<K,V> extends CHMView<K,V> implements Set<K>, java.io.Serializable {
        private static final long serialVersionUID = 7249069246763182397L;
        private final V value;
        KeySetView(ConcurrentHashMapV8<K, V> map, V value) {  // non-public
            super(map);
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 4 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 3637..3697

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 269.

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

                    try {
                        if (tabAt(tab, i) == f) {
                            count = 1;
                            for (Node e = f;; ++count) {
                                Object ek, ev;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 4 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1652..1680

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 254.

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

                    try {
                        if (tabAt(tab, i) == f) {
                            count = 1;
                            for (Node e = f;; ++count) {
                                Object ek, ev;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 4 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1644..1672

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 254.

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;
                    t.acquire(0);
                    try {
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 4 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1733..1770

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 250.

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;
                    t.acquire(0);
                    try {
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 4 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1725..1762

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 250.

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

    static final class MapEntry<K,V> implements Map.Entry<K, V> {
        final K key; // non-null
        V val;       // non-null
        final ConcurrentHashMapV8<K, V> map;
        MapEntry(K key, V val, ConcurrentHashMapV8<K, V> map) {
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 3285..3323

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 246.

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

    static final class MapEntry<K,V> implements Map.Entry<K, V> {
        final K key; // non-null
        V val;       // non-null
        final ConcurrentHashMapV8<K, V> map;
        MapEntry(K key, V val, ConcurrentHashMapV8<K, V> map) {
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 3293..3331

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 246.

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

                try {                        // needed in case equals() throws
                    if (tabAt(tab, i) == f) {
                        count = 1;
                        for (Node e = f;; ++count) {
                            Object ek, ev;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1420..1446

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 236.

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

                try {                        // needed in case equals() throws
                    if (tabAt(tab, i) == f) {
                        count = 1;
                        for (Node e = f;; ++count) {
                            Object ek, ev;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1428..1454

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 236.

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;
                    t.acquire(0);
                    try {
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1848..1879

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 226.

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

                    try {
                        if (tabAt(tab, i) == f) {
                            count = 1;
                            for (Node e = f;; ++count) {
                                Object ek, ev;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1521..1546

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 226.

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

                    try {
                        if (tabAt(tab, i) == f) {
                            count = 1;
                            for (Node e = f;; ++count) {
                                Object ek, ev;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 1529..1554

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 226.

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;
                    t.acquire(0);
                    try {
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 1840..1871

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 226.

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 boolean equals(Object o) {
        if (o != this) {
            if (!(o instanceof Map))
                return false;
            Map<?,?> m = (Map<?,?>) o;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 3189..3211

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 216.

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 boolean equals(Object o) {
        if (o != this) {
            if (!(o instanceof Map))
                return false;
            Map<?,?> m = (Map<?,?>) o;
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 3197..3219

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 216.

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

            if (tab != null && i >= 0 && i < tab.length) { // sanity check
                int r = ThreadLocalRandom.current().nextInt(); // randomize spins
                int spins = MAX_SPINS, h;
                while (tabAt(tab, i) == this && ((h = hash) & LOCKED) != 0) {
                    if (spins >= 0) {
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java on lines 671..696

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 202.

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

            if (tab != null && i >= 0 && i < tab.length()) { // sanity check
                int r = ThreadLocalRandom.current().nextInt(); // randomize spins
                int spins = MAX_SPINS, h;
                while (tabAt(tab, i) == this && ((h = hash) & LOCKED) != 0) {
                    if (spins >= 0) {
Severity: Major
Found in ext/org/jruby/ext/thread_safe/jsr166e/nounsafe/ConcurrentHashMapV8.java and 1 other location - About 3 hrs to fix
ext/org/jruby/ext/thread_safe/jsr166e/ConcurrentHashMapV8.java on lines 664..689

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 202.

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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