Fix quality flaws

5 files changed, 7 insertions, 8 deletions

diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/detector/suffixtree/TextSet.java b/sonar-duplications/src/main/java/org/sonar/duplications/detector/suffixtree/TextSet.java
index 82ab1db55a6..51ecbe54294 100644
--- a/sonar-duplications/src/main/java/org/sonar/duplications/detector/suffixtree/TextSet.java
+++ b/sonar-duplications/src/main/java/org/sonar/duplications/detector/suffixtree/TextSet.java
@@ -19,11 +19,10 @@
  */
 package org.sonar.duplications.detector.suffixtree;
 
-import java.util.List;
-
+import com.google.common.collect.Lists;
 import org.sonar.duplications.block.Block;
 
-import com.google.common.collect.Lists;
+import java.util.List;
 
 /**
  * Simplifies construction of <a href="http://en.wikipedia.org/wiki/Generalised_suffix_tree">generalised suffix-tree</a>.
@@ -92,7 +91,7 @@ public final class TextSet extends AbstractText {
 
     @Override
     public boolean equals(Object obj) {
-      return (obj instanceof Terminator) && (((Terminator) obj).stringNumber == stringNumber);
+      return (this.getClass() == obj.getClass()) && (((Terminator) obj).stringNumber == stringNumber);
     }
 
     @Override
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/index/CloneGroup.java b/sonar-duplications/src/main/java/org/sonar/duplications/index/CloneGroup.java
index 01b7273da1c..b840c2f55f0 100644
--- a/sonar-duplications/src/main/java/org/sonar/duplications/index/CloneGroup.java
+++ b/sonar-duplications/src/main/java/org/sonar/duplications/index/CloneGroup.java
@@ -135,7 +135,7 @@ public class CloneGroup {
    */
   @Override
   public boolean equals(Object object) {
-    if (!(object instanceof CloneGroup)) {
+    if (this.getClass() != object.getClass()) {
       return false;
     }
     CloneGroup another = (CloneGroup) object;
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/index/ClonePart.java b/sonar-duplications/src/main/java/org/sonar/duplications/index/ClonePart.java
index 6a569e27eae..630f52c1350 100644
--- a/sonar-duplications/src/main/java/org/sonar/duplications/index/ClonePart.java
+++ b/sonar-duplications/src/main/java/org/sonar/duplications/index/ClonePart.java
@@ -64,7 +64,7 @@ public class ClonePart implements CodeFragment {
 
   @Override
   public boolean equals(Object obj) {
-    if (obj instanceof ClonePart) {
+    if (this.getClass() == obj.getClass()) {
       ClonePart another = (ClonePart) obj;
       return another.resourceId.equals(resourceId)
         && another.startLine == startLine
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/statement/Statement.java b/sonar-duplications/src/main/java/org/sonar/duplications/statement/Statement.java
index 49e9e90f743..dc1c8ac402d 100644
--- a/sonar-duplications/src/main/java/org/sonar/duplications/statement/Statement.java
+++ b/sonar-duplications/src/main/java/org/sonar/duplications/statement/Statement.java
@@ -82,7 +82,7 @@ public class Statement implements CodeFragment {
 
   @Override
   public boolean equals(Object obj) {
-    if (!(obj instanceof Statement)) {
+    if (this.getClass() != obj.getClass()) {
       return false;
     }
     Statement other = (Statement) obj;
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/token/Token.java b/sonar-duplications/src/main/java/org/sonar/duplications/token/Token.java
index 06525a4ccda..c1c374e7f52 100644
--- a/sonar-duplications/src/main/java/org/sonar/duplications/token/Token.java
+++ b/sonar-duplications/src/main/java/org/sonar/duplications/token/Token.java
@@ -50,7 +50,7 @@ public class Token {
 
   @Override
   public boolean equals(Object object) {
-    if (object instanceof Token) {
+    if (this.getClass() == object.getClass()) {
       Token anotherToken = (Token) object;
       return anotherToken.line == line && anotherToken.column == column && anotherToken.value.equals(value);
     }