add serial version UID

Author: Vladimir Kotal

opengrok-indexer/src/main/java/org/opengrok/indexer/analysis/document/MandocException.java

@@ -17,14 +17,17 @@
  * CDDL HEADER END
  */
 
- /*
+/*
  * Copyright (c) 2017-2018, Chris Fraire <[email protected]>.
  */
 package org.opengrok.indexer.analysis.document;
 
 /**
- * Represents an exception that occurs when mandoc exits non-zero.
+ * Represents an exception that occurs when {@code mandoc} exits non-zero.
  */
 public class MandocException extends Exception {
+
+      private static final long serialVersionUID = -6615441453265859555L;
+
       public MandocException(String message) { super(message); }
 }

opengrok-indexer/src/main/java/org/opengrok/indexer/authorization/AuthorizationStack.java

@@ -47,6 +47,8 @@
  */
 public class AuthorizationStack extends AuthorizationEntity {
 
+    private static final long serialVersionUID = -2116160303238347415L;
+
     private static final Logger LOGGER = LoggerFactory.getLogger(AuthorizationStack.class);
 
     private List<AuthorizationEntity> stack = new ArrayList<>();

opengrok-indexer/src/main/java/org/opengrok/indexer/index/Filter.java

@@ -33,6 +33,7 @@
 import java.util.regex.Pattern;
 
 public class Filter implements Serializable {
+
     private static final long serialVersionUID = 3L;
 
     /** The list of exact filenames */
@@ -216,6 +217,9 @@ private Pattern compilePattern(String pattern) {
     }
 
     public static class PatternList extends ArrayList<String> {
+
+        private static final long serialVersionUID = -6883390970972775838L;
+
         private final Filter owner;
 
         public PatternList(Filter owner) {

opengrok-indexer/src/main/java/org/opengrok/indexer/index/IgnoredDirs.java

@@ -32,6 +32,8 @@
  * @author Chandan
  */
 public final class IgnoredDirs extends Filter {
+    private static final long serialVersionUID = -6771850658877396699L;
+
     private static final String[] defaultPatternsDirs = {
         "Codemgr_wsdata", // Teamware
         "deleted_files",  // Teamware

opengrok-indexer/src/main/java/org/opengrok/indexer/index/IgnoredFiles.java

@@ -32,6 +32,9 @@
  * @author Chandan
  */
 public final class IgnoredFiles extends Filter {
+
+    private static final long serialVersionUID = 3673125546519046976L;
+
     private static final String[] defaultPatternsFiles = {
         "cscope.in.out",
         "cscope.out.po",

opengrok-indexer/src/main/java/org/opengrok/indexer/index/IndexVersion.java

@@ -51,6 +51,8 @@ public class IndexVersion {
      */
     public static class IndexVersionException extends Exception {
 
+        private static final long serialVersionUID = -756788782277552544L;
+
         public IndexVersionException(String s) {
             super(s);
         }

opengrok-indexer/src/main/java/org/opengrok/indexer/index/IndexerException.java

@@ -28,6 +28,8 @@
  */
 public class IndexerException extends Exception {
 
+   private static final long serialVersionUID = -3009093549932264215L;
+
    IndexerException(String string) {
       super(string);
    }

opengrok-indexer/src/main/java/org/opengrok/indexer/util/ForbiddenSymlinkException.java

@@ -28,5 +28,8 @@
  * encountered while evaluating a file system path.
  */
 public class ForbiddenSymlinkException extends Exception {
+
+      private static final long serialVersionUID = -5483867987230977680L;
+
       public ForbiddenSymlinkException(String message) { super(message); }
 }

opengrok-indexer/src/main/java/org/opengrok/indexer/web/messages/Message.java

@@ -144,6 +144,8 @@ public int compareTo(final Message o) {
 
     private static class DurationSerializer extends StdSerializer<Duration> {
 
+        private static final long serialVersionUID = 5275434375701446542L;
+
         DurationSerializer() {
             this(null);
         }
@@ -167,6 +169,7 @@ public void serialize(
     }
 
     private static class DurationDeserializer extends StdDeserializer<Duration> {
+        private static final long serialVersionUID = 5513386447457242809L;
 
         DurationDeserializer() {
             this(null);

opengrok-indexer/src/main/java/org/opengrok/indexer/web/messages/MessagesContainer.java

@@ -280,6 +280,8 @@ public int hashCode() {
 
         private static class InstantSerializer extends StdSerializer<Instant> {
 
+            private static final long serialVersionUID = -369908820170764793L;
+
             InstantSerializer() {
                 this(null);
             }