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The following commit(s) were added to refs/heads/master by this push:
     new 1ed6d185b72 IGNITE-14823 Class abbrevation (#11092)
1ed6d185b72 is described below

commit 1ed6d185b726ce5a85fe420b16df74e46cbf5f9a
Author: Nikolay <nizhi...@apache.org>
AuthorDate: Wed Dec 13 15:08:24 2023 +0300

    IGNITE-14823 Class abbrevation (#11092)
---
 .../query/calcite/exec/exp/RexImpTable.java        |  4 +-
 .../query/calcite/exec/exp/RexToLixTranslator.java | 32 ++++++-------
 .../query/calcite/externalize/RelJson.java         | 10 ++--
 .../checkstyle/src/main/resources/abbrevations.csv |  2 +-
 .../SystemViewRowAttributeWalkerGenerator.java     |  6 +--
 .../deployment/GridDeploymentClassLoader.java      | 14 +++---
 .../preloader/GridDhtPartitionsFullMessage.java    |  6 +--
 .../apache/ignite/ClassPathContentLoggingTest.java |  4 +-
 .../internal/MarshallerContextLockingSelfTest.java |  6 +--
 .../internal/binary/BinaryMarshallerSelfTest.java  |  6 +--
 .../internal/binary/BinaryObjectToStringTest.java  | 56 +++++++++++-----------
 .../IgniteCacheAbstractExecutionContextTest.java   |  6 +--
 .../ignite/internal/util/IgniteUtilsSelfTest.java  |  4 +-
 .../util/tostring/GridToStringBuilderSelfTest.java |  8 ++--
 .../marshaller/MarshallerContextSelfTest.java      | 12 ++---
 .../p2p/DeploymentClassLoaderCallableTest.java     | 12 ++---
 .../testframework/junits/GridAbstractTest.java     |  6 +--
 .../classloadproblem/P2PClassLoadingProblems.java  |  4 +-
 .../cache/index/AbstractSchemaSelfTest.java        |  4 +-
 .../ignite/tools/javadoc/IgniteLinkTaglet.java     |  8 ++--
 20 files changed, 105 insertions(+), 105 deletions(-)

diff --git 
a/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexImpTable.java
 
b/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexImpTable.java
index f90c6c34425..0bf4221a58a 100644
--- 
a/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexImpTable.java
+++ 
b/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexImpTable.java
@@ -2025,12 +2025,12 @@ public class RexImpTable {
                 return argValueList;
             }
             assert (nullCount > 0) == type.isNullable();
-            final Type javaClass =
+            final Type javaCls =
                 translator.typeFactory.getJavaClass(type);
             final List<Expression> harmonizedArgValues = new ArrayList<>();
             for (Expression argValue : argValueList) {
                 harmonizedArgValues.add(
-                    EnumUtils.convert(argValue, javaClass));
+                    EnumUtils.convert(argValue, javaCls));
             }
             return harmonizedArgValues;
         }
diff --git 
a/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexToLixTranslator.java
 
b/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexToLixTranslator.java
index aeef8e8a4bb..8cba1b67875 100644
--- 
a/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexToLixTranslator.java
+++ 
b/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/RexToLixTranslator.java
@@ -683,16 +683,16 @@ public class RexToLixTranslator implements 
RexVisitor<RexToLixTranslator.Result>
                     return RexImpTable.FALSE_EXPR;
             }
         }
-        Type javaClass = typeFactory.getJavaClass(type);
+        Type javaCls = typeFactory.getJavaClass(type);
         final Object value2;
         switch (literal.getType().getSqlTypeName()) {
             case DECIMAL:
                 final BigDecimal bd = literal.getValueAs(BigDecimal.class);
-                if (javaClass == float.class)
-                    return Expressions.constant(bd, javaClass);
-                else if (javaClass == double.class)
-                    return Expressions.constant(bd, javaClass);
-                assert javaClass == BigDecimal.class;
+                if (javaCls == float.class)
+                    return Expressions.constant(bd, javaCls);
+                else if (javaCls == double.class)
+                    return Expressions.constant(bd, javaCls);
+                assert javaCls == BigDecimal.class;
                 return Expressions.call(
                     IgniteSqlFunctions.class,
                     "toBigDecimal",
@@ -711,7 +711,7 @@ public class RexToLixTranslator implements 
RexVisitor<RexToLixTranslator.Result>
             case INTERVAL_YEAR_MONTH:
             case INTERVAL_MONTH:
                 value2 = literal.getValueAs(Integer.class);
-                javaClass = int.class;
+                javaCls = int.class;
                 break;
             case TIMESTAMP:
             case TIMESTAMP_WITH_LOCAL_TIME_ZONE:
@@ -726,7 +726,7 @@ public class RexToLixTranslator implements 
RexVisitor<RexToLixTranslator.Result>
             case INTERVAL_MINUTE_SECOND:
             case INTERVAL_SECOND:
                 value2 = literal.getValueAs(Long.class);
-                javaClass = long.class;
+                javaCls = long.class;
                 break;
             case CHAR:
             case VARCHAR:
@@ -743,15 +743,15 @@ public class RexToLixTranslator implements 
RexVisitor<RexToLixTranslator.Result>
                 throw new IllegalStateException("Unsupported data type: " + 
literal.getType());
             case SYMBOL:
                 value2 = literal.getValueAs(Enum.class);
-                javaClass = value2.getClass();
+                javaCls = value2.getClass();
                 break;
             default:
-                final Primitive primitive = Primitive.ofBoxOr(javaClass);
+                final Primitive primitive = Primitive.ofBoxOr(javaCls);
                 final Comparable value = literal.getValueAs(Comparable.class);
 
                 value2 = primitive != null && value instanceof Number ? 
primitive.number((Number)value) : value;
         }
-        return Expressions.constant(value2, javaClass);
+        return Expressions.constant(value2, javaCls);
     }
 
     /** */
@@ -975,7 +975,7 @@ public class RexToLixTranslator implements 
RexVisitor<RexToLixTranslator.Result>
      */
     private ConstantExpression getTypedNullLiteral(RexLiteral literal) {
         assert literal.isNull();
-        Type javaClass = typeFactory.getJavaClass(literal.getType());
+        Type javaCls = typeFactory.getJavaClass(literal.getType());
         switch (literal.getType().getSqlTypeName()) {
             case DATE:
             case TIME:
@@ -983,7 +983,7 @@ public class RexToLixTranslator implements 
RexVisitor<RexToLixTranslator.Result>
             case INTERVAL_YEAR:
             case INTERVAL_YEAR_MONTH:
             case INTERVAL_MONTH:
-                javaClass = Integer.class;
+                javaCls = Integer.class;
                 break;
             case TIMESTAMP:
             case TIMESTAMP_WITH_LOCAL_TIME_ZONE:
@@ -997,12 +997,12 @@ public class RexToLixTranslator implements 
RexVisitor<RexToLixTranslator.Result>
             case INTERVAL_MINUTE:
             case INTERVAL_MINUTE_SECOND:
             case INTERVAL_SECOND:
-                javaClass = Long.class;
+                javaCls = Long.class;
                 break;
         }
-        return javaClass == null || javaClass == Void.class
+        return javaCls == null || javaCls == Void.class
             ? RexImpTable.NULL_EXPR
-            : Expressions.constant(null, javaClass);
+            : Expressions.constant(null, javaCls);
     }
 
     /**
diff --git 
a/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/externalize/RelJson.java
 
b/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/externalize/RelJson.java
index bfb14e02b88..f7fdcd3ae61 100644
--- 
a/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/externalize/RelJson.java
+++ 
b/modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/externalize/RelJson.java
@@ -576,9 +576,9 @@ class RelJson {
         for (SqlOperator operator : operators)
             if (operator.kind == sqlKind)
                 return operator;
-        String class_ = (String)map.get("class");
-        if (class_ != null)
-            return AvaticaUtils.instantiatePlugin(SqlOperator.class, class_);
+        String cls_ = (String)map.get("class");
+        if (cls_ != null)
+            return AvaticaUtils.instantiatePlugin(SqlOperator.class, cls_);
         return null;
     }
 
@@ -601,9 +601,9 @@ class RelJson {
     <T extends Enum<T>> T toEnum(Object o) {
         if (o instanceof Map) {
             Map<String, Object> map = (Map<String, Object>)o;
-            String class_ = (String)map.get("class");
+            String cls_ = (String)map.get("class");
             String name = map.get("name").toString();
-            return Util.enumVal((Class<T>)classForName(class_, false), name);
+            return Util.enumVal((Class<T>)classForName(cls_, false), name);
         }
 
         assert o instanceof String && ENUM_BY_NAME.containsKey(o);
diff --git a/modules/checkstyle/src/main/resources/abbrevations.csv 
b/modules/checkstyle/src/main/resources/abbrevations.csv
index 555fbba9f78..e7d99cb554f 100644
--- a/modules/checkstyle/src/main/resources/abbrevations.csv
+++ b/modules/checkstyle/src/main/resources/abbrevations.csv
@@ -8,7 +8,7 @@ array,arr
 attribute,attr
 attributes,attrs
 buffer,buf
-#class,cls
+class,cls
 #command,cmd
 #config,cfg
 #context,ctx
diff --git 
a/modules/codegen/src/main/java/org/apache/ignite/codegen/SystemViewRowAttributeWalkerGenerator.java
 
b/modules/codegen/src/main/java/org/apache/ignite/codegen/SystemViewRowAttributeWalkerGenerator.java
index 879b5f833fc..de0be996790 100644
--- 
a/modules/codegen/src/main/java/org/apache/ignite/codegen/SystemViewRowAttributeWalkerGenerator.java
+++ 
b/modules/codegen/src/main/java/org/apache/ignite/codegen/SystemViewRowAttributeWalkerGenerator.java
@@ -173,14 +173,14 @@ public class SystemViewRowAttributeWalkerGenerator {
      * @throws IOException If generation failed.
      */
     private <T> void generateAndWrite(Class<T> clazz, String srcRoot) throws 
IOException {
-        File walkerClass = new File(srcRoot + '/' + 
WALKER_PACKAGE.replaceAll("\\.", "/") + '/' +
+        File walkerCls = new File(srcRoot + '/' + 
WALKER_PACKAGE.replaceAll("\\.", "/") + '/' +
             clazz.getSimpleName() + "Walker.java");
 
         Collection<String> code = generate(clazz);
 
-        walkerClass.createNewFile();
+        walkerCls.createNewFile();
 
-        try (FileWriter writer = new FileWriter(walkerClass)) {
+        try (FileWriter writer = new FileWriter(walkerCls)) {
             for (String line : code) {
                 writer.write(line);
                 writer.write('\n');
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentClassLoader.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentClassLoader.java
index fd7acf71318..6f59a0f098a 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentClassLoader.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentClassLoader.java
@@ -613,7 +613,7 @@ class GridDeploymentClassLoader extends ClassLoader 
implements GridDeploymentInf
             nodeLdrMapCp = singleNode ? nodeLdrMap : new HashMap<>(nodeLdrMap);
         }
 
-        List<IgniteException> classRequestExceptions = new ArrayList<>();
+        List<IgniteException> clsRequestExceptions = new ArrayList<>();
 
         for (UUID nodeId : nodeListCp) {
             if (nodeId.equals(ctx.discovery().localNode().id()))
@@ -644,7 +644,7 @@ class GridDeploymentClassLoader extends ClassLoader 
implements GridDeploymentInf
 
                     LT.warn(log, msg);
 
-                    classRequestExceptions.add(new IgniteException(msg));
+                    clsRequestExceptions.add(new IgniteException(msg));
 
                     synchronized (mux) {
                         if (missedRsrcs != null)
@@ -683,20 +683,20 @@ class GridDeploymentClassLoader extends ClassLoader 
implements GridDeploymentInf
                     else if (log.isDebugEnabled())
                         log.debug(msg);
 
-                    classRequestExceptions.add(new IgniteException(msg, e));
+                    clsRequestExceptions.add(new IgniteException(msg, e));
                 }
             }
             catch (TimeoutException e) {
-                classRequestExceptions.add(new IgniteException("Failed to send 
class-loading request to node (is node alive?) " +
+                clsRequestExceptions.add(new IgniteException("Failed to send 
class-loading request to node (is node alive?) " +
                     "[node=" + node.id() + ", clsName=" + name + ", clsPath=" 
+ path + ", clsLdrId=" + ldrId +
                     ", clsLoadersHierarchy=" + clsLdrHierarchy + ']', e));
             }
         }
 
-        if (!classRequestExceptions.isEmpty()) {
-            IgniteException exception = classRequestExceptions.remove(0);
+        if (!clsRequestExceptions.isEmpty()) {
+            IgniteException exception = clsRequestExceptions.remove(0);
 
-            for (Exception e : classRequestExceptions)
+            for (Exception e : clsRequestExceptions)
                 exception.addSuppressed(e);
 
             LT.warn(log, exception.getMessage(), exception);
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/preloader/GridDhtPartitionsFullMessage.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/preloader/GridDhtPartitionsFullMessage.java
index 981b15031cf..aef7adc7f69 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/preloader/GridDhtPartitionsFullMessage.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/preloader/GridDhtPartitionsFullMessage.java
@@ -566,7 +566,7 @@ public class GridDhtPartitionsFullMessage extends 
GridDhtPartitionsAbstractMessa
     @Override public void finishUnmarshal(GridCacheSharedContext ctx, 
ClassLoader ldr) throws IgniteCheckedException {
         super.finishUnmarshal(ctx, ldr);
 
-        ClassLoader classLoader = U.resolveClassLoader(ldr, ctx.gridConfig());
+        ClassLoader clsLoader = U.resolveClassLoader(ldr, ctx.gridConfig());
 
         Collection<byte[]> objectsToUnmarshall = new ArrayList<>();
 
@@ -598,8 +598,8 @@ public class GridDhtPartitionsFullMessage extends 
GridDhtPartitionsAbstractMessa
             new IgniteThrowableFunction<byte[], Object>() {
                 @Override public Object apply(byte[] binary) throws 
IgniteCheckedException {
                     return compressed()
-                        ? U.unmarshalZip(ctx.marshaller(), binary, classLoader)
-                        : U.unmarshal(ctx, binary, classLoader);
+                        ? U.unmarshalZip(ctx.marshaller(), binary, clsLoader)
+                        : U.unmarshal(ctx, binary, clsLoader);
                 }
             }
         );
diff --git 
a/modules/core/src/test/java/org/apache/ignite/ClassPathContentLoggingTest.java 
b/modules/core/src/test/java/org/apache/ignite/ClassPathContentLoggingTest.java
index 0a2e6395b92..18fbc0c72de 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/ClassPathContentLoggingTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/ClassPathContentLoggingTest.java
@@ -83,7 +83,7 @@ public class ClassPathContentLoggingTest extends 
GridCommonAbstractTest {
      */
     @Test
     public void testClassPathContentLogging() throws Exception {
-        String javaClassPath = System.getProperty("java.class.path", ".");
+        String javaClsPath = System.getProperty("java.class.path", ".");
 
         LogListener lsnr = LogListener
             .matches("List of files containing in classpath")
@@ -110,7 +110,7 @@ public class ClassPathContentLoggingTest extends 
GridCommonAbstractTest {
         for (Path jar : jars)
             contenLsnrBuilder.andMatches(jar.getFileName().toString());
 
-        Arrays.stream(javaClassPath.split(File.separator))
+        Arrays.stream(javaClsPath.split(File.separator))
             .filter(fileName -> new File(fileName).isDirectory())
             .forEach(contenLsnrBuilder::andMatches);
 
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/MarshallerContextLockingSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/MarshallerContextLockingSelfTest.java
index 59c85b30de6..1e424c2d19c 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/MarshallerContextLockingSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/MarshallerContextLockingSelfTest.java
@@ -84,7 +84,7 @@ public class MarshallerContextLockingSelfTest extends 
GridCommonAbstractTest {
     public void testMultithreadedUpdate() throws Exception {
         multithreaded(new Callable<Object>() {
             @Override public Object call() throws Exception {
-                GridTestClassLoader classLoader = new GridTestClassLoader(
+                GridTestClassLoader clsLoader = new GridTestClassLoader(
                     InternalExecutor.class.getName(),
                     MarshallerContextImpl.class.getName(),
                     MarshallerContextImpl.CombinedMap.class.getName(),
@@ -93,9 +93,9 @@ public class MarshallerContextLockingSelfTest extends 
GridCommonAbstractTest {
                     MarshallerMappingTransport.class.getName()
                 );
 
-                Thread.currentThread().setContextClassLoader(classLoader);
+                Thread.currentThread().setContextClassLoader(clsLoader);
 
-                Class clazz = 
classLoader.loadClass(InternalExecutor.class.getName());
+                Class clazz = 
clsLoader.loadClass(InternalExecutor.class.getName());
 
                 Object internelExecutor = clazz.newInstance();
 
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/binary/BinaryMarshallerSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/binary/BinaryMarshallerSelfTest.java
index 55e08d3640f..0c5992958d0 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/binary/BinaryMarshallerSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/binary/BinaryMarshallerSelfTest.java
@@ -1541,8 +1541,8 @@ public class BinaryMarshallerSelfTest extends 
AbstractBinaryArraysTest {
      */
     @Test
     public void testSimpleNameLowerCaseMappers() throws Exception {
-        BinaryTypeConfiguration innerClassType = new 
BinaryTypeConfiguration(InnerMappedObject.class.getName());
-        BinaryTypeConfiguration publicClassType = new 
BinaryTypeConfiguration(TestMappedObject.class.getName());
+        BinaryTypeConfiguration innerClsType = new 
BinaryTypeConfiguration(InnerMappedObject.class.getName());
+        BinaryTypeConfiguration publicClsType = new 
BinaryTypeConfiguration(TestMappedObject.class.getName());
         BinaryTypeConfiguration typeWithCustomMapper = new 
BinaryTypeConfiguration(CustomMappedObject2.class.getName());
 
         typeWithCustomMapper.setIdMapper(new BinaryIdMapper() {
@@ -1565,7 +1565,7 @@ public class BinaryMarshallerSelfTest extends 
AbstractBinaryArraysTest {
         });
 
         BinaryMarshaller marsh = binaryMarshaller(new 
BinaryBasicNameMapper(true), new BinaryBasicIdMapper(true),
-            Arrays.asList(innerClassType, publicClassType, 
typeWithCustomMapper));
+            Arrays.asList(innerClsType, publicClsType, typeWithCustomMapper));
 
         InnerMappedObject innerObj = new InnerMappedObject(10, "str1");
 
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/binary/BinaryObjectToStringTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/binary/BinaryObjectToStringTest.java
index 452f3f91997..6a1d9253fb3 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/binary/BinaryObjectToStringTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/binary/BinaryObjectToStringTest.java
@@ -150,62 +150,62 @@ public class BinaryObjectToStringTest extends 
AbstractBinaryArraysTest {
 
     /** */
     private Object newExtInstance1() throws Exception {
-        ClassPool classPool = new ClassPool(ClassPool.getDefault());
-
-        CtClass aClass = classPool.makeClass("ExternalTestClass1");
-        aClass.addInterface(classPool.get("java.io.Externalizable"));
-        aClass.addField(CtField.make("private int x;", aClass));
-        aClass.addConstructor(CtNewConstructor.make("public 
ExternalTestClass1() {}", aClass));
-        aClass.addConstructor(CtNewConstructor.make("public 
ExternalTestClass1(int x0) { x = x0; }", aClass));
-        aClass.addMethod(CtNewMethod.make(
+        ClassPool clsPool = new ClassPool(ClassPool.getDefault());
+
+        CtClass aCls = clsPool.makeClass("ExternalTestClass1");
+        aCls.addInterface(clsPool.get("java.io.Externalizable"));
+        aCls.addField(CtField.make("private int x;", aCls));
+        aCls.addConstructor(CtNewConstructor.make("public ExternalTestClass1() 
{}", aCls));
+        aCls.addConstructor(CtNewConstructor.make("public 
ExternalTestClass1(int x0) { x = x0; }", aCls));
+        aCls.addMethod(CtNewMethod.make(
             "public void writeExternal(java.io.ObjectOutput out) throws 
java.io.IOException { out.writeInt(x); }",
-            aClass));
-        aClass.addMethod(CtNewMethod.make(
+            aCls));
+        aCls.addMethod(CtNewMethod.make(
             "public void readExternal(java.io.ObjectInput in) throws 
java.io.IOException { x = in.readInt(); }",
-            aClass));
+            aCls));
 
         ClassLoader extClsLdr = new ClassLoader() {
             {
-                byte[] bytecode = aClass.toBytecode();
+                byte[] bytecode = aCls.toBytecode();
 
                 defineClass("ExternalTestClass1", bytecode, 0, 
bytecode.length);
             }
         };
 
-        Class<?> extClass = extClsLdr.loadClass("ExternalTestClass1");
+        Class<?> extCls = extClsLdr.loadClass("ExternalTestClass1");
 
-        Constructor<?> ctor = extClass.getConstructor(int.class);
+        Constructor<?> ctor = extCls.getConstructor(int.class);
 
         return ctor.newInstance(42);
     }
 
     /** */
     private Object newExtInstance2() throws Exception {
-        ClassPool classPool = new ClassPool(ClassPool.getDefault());
-
-        CtClass aClass = classPool.makeClass("ExternalTestClass2");
-        aClass.addInterface(classPool.get("java.io.Serializable"));
-        aClass.addField(CtField.make("private int x;", aClass));
-        aClass.addConstructor(CtNewConstructor.make("public 
ExternalTestClass2() {}", aClass));
-        aClass.addConstructor(CtNewConstructor.make("public 
ExternalTestClass2(int x0) { x = x0; }", aClass));
-        aClass.addMethod(CtNewMethod.make(
+        ClassPool clsPool = new ClassPool(ClassPool.getDefault());
+
+        CtClass aCls = clsPool.makeClass("ExternalTestClass2");
+        aCls.addInterface(clsPool.get("java.io.Serializable"));
+        aCls.addField(CtField.make("private int x;", aCls));
+        aCls.addConstructor(CtNewConstructor.make("public ExternalTestClass2() 
{}", aCls));
+        aCls.addConstructor(CtNewConstructor.make("public 
ExternalTestClass2(int x0) { x = x0; }", aCls));
+        aCls.addMethod(CtNewMethod.make(
             "private void writeObject(java.io.ObjectOutputStream out) throws 
java.io.IOException { out.writeInt(x); }",
-            aClass));
-        aClass.addMethod(CtNewMethod.make(
+            aCls));
+        aCls.addMethod(CtNewMethod.make(
             "private void readObject(java.io.ObjectInputStream in) throws 
java.io.IOException { x = in.readInt(); }",
-            aClass));
+            aCls));
 
         ClassLoader extClsLdr = new ClassLoader() {
             {
-                byte[] bytecode = aClass.toBytecode();
+                byte[] bytecode = aCls.toBytecode();
 
                 defineClass("ExternalTestClass2", bytecode, 0, 
bytecode.length);
             }
         };
 
-        Class<?> extClass = extClsLdr.loadClass("ExternalTestClass2");
+        Class<?> extCls = extClsLdr.loadClass("ExternalTestClass2");
 
-        Constructor<?> ctor = extClass.getConstructor(int.class);
+        Constructor<?> ctor = extCls.getConstructor(int.class);
 
         return ctor.newInstance(42);
     }
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/context/IgniteCacheAbstractExecutionContextTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/context/IgniteCacheAbstractExecutionContextTest.java
index 91b0f86eab6..44dc9491f32 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/context/IgniteCacheAbstractExecutionContextTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/context/IgniteCacheAbstractExecutionContextTest.java
@@ -65,9 +65,9 @@ public abstract class IgniteCacheAbstractExecutionContextTest 
extends IgniteCach
      */
     @Test
     public void testUsersClassLoader() throws Exception {
-        UsersClassLoader testClassLdr = 
(UsersClassLoader)grid(0).configuration().getClassLoader();
+        UsersClassLoader testClsLdr = 
(UsersClassLoader)grid(0).configuration().getClassLoader();
 
-        Object val = testClassLdr.loadClass(TEST_VALUE).newInstance();
+        Object val = testClsLdr.loadClass(TEST_VALUE).newInstance();
 
         IgniteCache<Object, Object> jcache = grid(0).cache(DEFAULT_CACHE_NAME);
 
@@ -79,7 +79,7 @@ public abstract class IgniteCacheAbstractExecutionContextTest 
extends IgniteCach
 
             // Check that entry was loaded by user's classloader.
             if (idx == 0)
-                assertEquals(testClassLdr, 
jcache.get(i).getClass().getClassLoader());
+                assertEquals(testClsLdr, 
jcache.get(i).getClass().getClassLoader());
             else
                 assertEquals(grid(idx).configuration().getClassLoader(),
                     
grid(idx).cache(DEFAULT_CACHE_NAME).get(i).getClass().getClassLoader());
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/util/IgniteUtilsSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/util/IgniteUtilsSelfTest.java
index 552b9954ea4..82389744395 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/util/IgniteUtilsSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/util/IgniteUtilsSelfTest.java
@@ -1525,7 +1525,7 @@ public class IgniteUtilsSelfTest extends 
GridCommonAbstractTest {
             System.out.println(localVar);
         };
 
-        Runnable capturingOuterClassLambda = () -> {
+        Runnable capturingOuterClsLambda = () -> {
             System.out.println(repeatRule);
         };
 
@@ -1533,7 +1533,7 @@ public class IgniteUtilsSelfTest extends 
GridCommonAbstractTest {
 
         assertTrue(IgniteUtils.isLambda(someLambda.getClass()));
         assertTrue(IgniteUtils.isLambda(capturingLocalLambda.getClass()));
-        assertTrue(IgniteUtils.isLambda(capturingOuterClassLambda.getClass()));
+        assertTrue(IgniteUtils.isLambda(capturingOuterClsLambda.getClass()));
         assertTrue(IgniteUtils.isLambda(methodReference.getClass()));
     }
 
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/util/tostring/GridToStringBuilderSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/util/tostring/GridToStringBuilderSelfTest.java
index 5324bd7efaa..4b2987c1431 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/util/tostring/GridToStringBuilderSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/util/tostring/GridToStringBuilderSelfTest.java
@@ -455,9 +455,9 @@ public class GridToStringBuilderSelfTest extends 
GridCommonAbstractTest {
         Map strMap = new TreeMap<>();
         List strList = new ArrayList<>(limit + 1);
 
-        TestClass1 testClass = new TestClass1();
-        testClass.strMap = strMap;
-        testClass.strListIncl = strList;
+        TestClass1 testCls = new TestClass1();
+        testCls.strMap = strMap;
+        testCls.strListIncl = strList;
 
         Map m = new TreeMap();
         m.put("m", strMap);
@@ -473,7 +473,7 @@ public class GridToStringBuilderSelfTest extends 
GridCommonAbstractTest {
             strList.add("e");
         }
 
-        checkColAndMap(testClass);
+        checkColAndMap(testCls);
     }
 
     /**
diff --git 
a/modules/core/src/test/java/org/apache/ignite/marshaller/MarshallerContextSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/marshaller/MarshallerContextSelfTest.java
index ff7d6b99911..0511b7b64f1 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/marshaller/MarshallerContextSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/marshaller/MarshallerContextSelfTest.java
@@ -103,13 +103,13 @@ public class MarshallerContextSelfTest extends 
GridCommonAbstractTest {
      */
     @Test
     public void testMultiplatformMappingsCollecting() throws Exception {
-        String nonJavaClassName = "random.platform.Mapping";
+        String nonJavaClsName = "random.platform.Mapping";
 
         MarshallerContextImpl marshCtx = new MarshallerContextImpl(null, null);
 
         marshCtx.onMarshallerProcessorStarted(ctx, null);
 
-        MarshallerMappingItem item = new MarshallerMappingItem((byte)2, 101, 
nonJavaClassName);
+        MarshallerMappingItem item = new MarshallerMappingItem((byte)2, 101, 
nonJavaClsName);
 
         marshCtx.onMappingProposed(item);
 
@@ -129,7 +129,7 @@ public class MarshallerContextSelfTest extends 
GridCommonAbstractTest {
 
         assertNotNull(nonJavaMappings.get(101));
 
-        assertEquals(nonJavaClassName, nonJavaMappings.get(101).className());
+        assertEquals(nonJavaClsName, nonJavaMappings.get(101).className());
     }
 
     /**
@@ -140,13 +140,13 @@ public class MarshallerContextSelfTest extends 
GridCommonAbstractTest {
      */
     @Test
     public void testMultiplatformMappingsDistributing() throws Exception {
-        String nonJavaClassName = "random.platform.Mapping";
+        String nonJavaClsName = "random.platform.Mapping";
 
         Ignite grid0 = startGrid(0);
 
         MarshallerContextImpl marshCtx0 = 
((IgniteKernal)grid0).context().marshallerContext();
 
-        MarshallerMappingItem item = new MarshallerMappingItem((byte)2, 101, 
nonJavaClassName);
+        MarshallerMappingItem item = new MarshallerMappingItem((byte)2, 101, 
nonJavaClsName);
 
         marshCtx0.onMappingProposed(item);
 
@@ -156,7 +156,7 @@ public class MarshallerContextSelfTest extends 
GridCommonAbstractTest {
 
         MarshallerContextImpl marshCtx1 = 
((IgniteKernal)grid1).context().marshallerContext();
 
-        assertEquals(nonJavaClassName, marshCtx1.getClassName((byte)2, 101));
+        assertEquals(nonJavaClsName, marshCtx1.getClassName((byte)2, 101));
     }
 
     /**
diff --git 
a/modules/core/src/test/java/org/apache/ignite/p2p/DeploymentClassLoaderCallableTest.java
 
b/modules/core/src/test/java/org/apache/ignite/p2p/DeploymentClassLoaderCallableTest.java
index 40aa51a1b55..e7c32d7b956 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/p2p/DeploymentClassLoaderCallableTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/p2p/DeploymentClassLoaderCallableTest.java
@@ -113,10 +113,10 @@ public class DeploymentClassLoaderCallableTest extends 
GridCommonAbstractTest {
      * @throws Exception If failed.
      */
     private void runJob1(Ignite ignite, long timeout) throws Exception {
-        ClassLoader testClassLoader1 = new GridTestExternalClassLoader(new 
URL[] {
+        ClassLoader testClsLoader1 = new GridTestExternalClassLoader(new URL[] 
{
             new URL(GridTestProperties.getProperty("p2p.uri.cls"))}, RUN_CLS, 
RUN_CLS2);
 
-        Constructor ctor = 
testClassLoader1.loadClass(RUN_CLS1).getConstructor();
+        Constructor ctor = testClsLoader1.loadClass(RUN_CLS1).getConstructor();
         
ignite.compute().withTimeout(timeout).broadcast((IgniteCallable<?>)ctor.newInstance());
     }
 
@@ -126,10 +126,10 @@ public class DeploymentClassLoaderCallableTest extends 
GridCommonAbstractTest {
      * @throws Exception If failed.
      */
     private void runJob0(Ignite ignite, long timeout) throws Exception {
-        ClassLoader testClassLoader = new GridTestExternalClassLoader(new 
URL[] {
+        ClassLoader testClsLoader = new GridTestExternalClassLoader(new URL[] {
             new URL(GridTestProperties.getProperty("p2p.uri.cls"))}, RUN_CLS1, 
RUN_CLS2);
 
-        Constructor ctor = testClassLoader.loadClass(RUN_CLS).getConstructor();
+        Constructor ctor = testClsLoader.loadClass(RUN_CLS).getConstructor();
         
ignite.compute().withTimeout(timeout).broadcast((IgniteCallable<?>)ctor.newInstance());
     }
 
@@ -139,10 +139,10 @@ public class DeploymentClassLoaderCallableTest extends 
GridCommonAbstractTest {
      * @throws Exception If failed.
      */
     private void runJob2(Ignite ignite, long timeout) throws Exception {
-        ClassLoader testClassLoader = new GridTestExternalClassLoader(new 
URL[] {
+        ClassLoader testClsLoader = new GridTestExternalClassLoader(new URL[] {
             new URL(GridTestProperties.getProperty("p2p.uri.cls"))}, RUN_CLS, 
RUN_CLS1);
 
-        Constructor ctor = 
testClassLoader.loadClass(RUN_CLS2).getConstructor();
+        Constructor ctor = testClsLoader.loadClass(RUN_CLS2).getConstructor();
         
ignite.compute().withTimeout(timeout).broadcast((IgniteCallable<?>)ctor.newInstance());
     }
 }
diff --git 
a/modules/core/src/test/java/org/apache/ignite/testframework/junits/GridAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/testframework/junits/GridAbstractTest.java
index d43553d045c..d7a1d9072fc 100755
--- 
a/modules/core/src/test/java/org/apache/ignite/testframework/junits/GridAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/testframework/junits/GridAbstractTest.java
@@ -774,10 +774,10 @@ public abstract class GridAbstractTest extends 
JUnitAssertAware {
      */
     private ScheduledExecutorService 
scheduleThreadDumpOnAfterTestTimeOut(AtomicBoolean afterTestFinished) {
         // Compute class name as string to avoid holding reference to the test 
class instance in task.
-        String testClassName = getClass().getName();
+        String testClsName = getClass().getName();
 
         ScheduledExecutorService scheduler = 
Executors.newScheduledThreadPool(1, task -> {
-            Thread thread = new Thread(task, "after-test-timeout-" + 
testClassName);
+            Thread thread = new Thread(task, "after-test-timeout-" + 
testClsName);
             thread.setDaemon(true);
             return thread;
         });
@@ -786,7 +786,7 @@ public abstract class GridAbstractTest extends 
JUnitAssertAware {
             scheduler.shutdownNow();
 
             if (!afterTestFinished.get()) {
-                log.info(testClassName +
+                log.info(testClsName +
                     ".afterTest() timed out, dumping threads (afterTest() 
still keeps running)");
 
                 dumpThreadsReliably();
diff --git 
a/modules/extdata/p2p/src/main/java/org/apache/ignite/tests/p2p/classloadproblem/P2PClassLoadingProblems.java
 
b/modules/extdata/p2p/src/main/java/org/apache/ignite/tests/p2p/classloadproblem/P2PClassLoadingProblems.java
index 332aa1ccee4..751d919fa62 100644
--- 
a/modules/extdata/p2p/src/main/java/org/apache/ignite/tests/p2p/classloadproblem/P2PClassLoadingProblems.java
+++ 
b/modules/extdata/p2p/src/main/java/org/apache/ignite/tests/p2p/classloadproblem/P2PClassLoadingProblems.java
@@ -39,14 +39,14 @@ class P2PClassLoadingProblems {
 
     /***/
     private static void unregisterAllRemoteNodesFromP2PClassLoader(Class<?> 
classLoadedViaP2P, Ignite ignite) {
-        ClassLoader classLoader = classLoadedViaP2P.getClassLoader();
+        ClassLoader clsLoader = classLoadedViaP2P.getClassLoader();
 
         List<UUID> remoteNodeIds = ignite.cluster().forRemotes().nodes()
             .stream()
             .map(ClusterNode::id)
             .collect(toList());
 
-        remoteNodeIds.forEach(remoteNodeId -> 
unregisterNodeOnClassLoader(classLoader, remoteNodeId));
+        remoteNodeIds.forEach(remoteNodeId -> 
unregisterNodeOnClassLoader(clsLoader, remoteNodeId));
     }
 
     /***/
diff --git 
a/modules/indexing/src/test/java/org/apache/ignite/internal/processors/cache/index/AbstractSchemaSelfTest.java
 
b/modules/indexing/src/test/java/org/apache/ignite/internal/processors/cache/index/AbstractSchemaSelfTest.java
index e7437e57f8f..f1c6386b0cf 100644
--- 
a/modules/indexing/src/test/java/org/apache/ignite/internal/processors/cache/index/AbstractSchemaSelfTest.java
+++ 
b/modules/indexing/src/test/java/org/apache/ignite/internal/processors/cache/index/AbstractSchemaSelfTest.java
@@ -669,9 +669,9 @@ public abstract class AbstractSchemaSelfTest extends 
AbstractIndexingCommonTest
             if (this == o) return true;
             if (o == null || getClass() != o.getClass()) return false;
 
-            KeyClass keyClass = (KeyClass)o;
+            KeyClass keyCls = (KeyClass)o;
 
-            return id == keyClass.id;
+            return id == keyCls.id;
 
         }
 
diff --git 
a/modules/tools/src/main/java8/org/apache/ignite/tools/javadoc/IgniteLinkTaglet.java
 
b/modules/tools/src/main/java8/org/apache/ignite/tools/javadoc/IgniteLinkTaglet.java
index 3051e199323..805f2614eae 100644
--- 
a/modules/tools/src/main/java8/org/apache/ignite/tools/javadoc/IgniteLinkTaglet.java
+++ 
b/modules/tools/src/main/java8/org/apache/ignite/tools/javadoc/IgniteLinkTaglet.java
@@ -122,18 +122,18 @@ public class IgniteLinkTaglet implements Taglet {
 
         File f = tag.position().file();
 
-        String curClass = f == null ? "" : 
f.getAbsolutePath().replace(File.separator, ".");
+        String curCls = f == null ? "" : 
f.getAbsolutePath().replace(File.separator, ".");
 
         String packPref = "src.main.java.";
 
-        int idx = curClass.indexOf(packPref);
+        int idx = curCls.indexOf(packPref);
 
         StringBuilder path = new StringBuilder();
 
         if (idx != -1) {
-            curClass = curClass.substring(idx + packPref.length());
+            curCls = curCls.substring(idx + packPref.length());
 
-            for (int i = 0, n = curClass.split("\\.").length - 2; i < n; i++)
+            for (int i = 0, n = curCls.split("\\.").length - 2; i < n; i++)
                 path.append("../");
         }
 


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