Add implements Serializable to all model classes to support native image (GraalVM) (#1074)

---------

Co-authored-by: Jeremie Bresson <jeremie.bresson@unblu.com>

src/main/java/org/gitlab4j/api/models/AuditEventDetail.java

@@ -3,7 +3,10 @@ package org.gitlab4j.api.models;
 
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class AuditEventDetail {
+import java.io.Serializable;
+
+public class AuditEventDetail implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private String change;
     private String from;

src/main/java/org/gitlab4j/api/models/Author.java

@@ -2,4 +2,5 @@
 package org.gitlab4j.api.models;
 
 public class Author extends AbstractUser<Author> {
+    private static final long serialVersionUID = 1L;
 }

src/main/java/org/gitlab4j/api/models/AwardEmoji.java

 
 package org.gitlab4j.api.models;
 
-import java.util.Date;
-
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
 import org.gitlab4j.api.utils.JacksonJson;
 import org.gitlab4j.api.utils.JacksonJsonEnumHelper;
 
-import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonValue;
+import java.io.Serializable;
+import java.util.Date;
 
-public class AwardEmoji {
+public class AwardEmoji implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     public enum AwardableType {
         ISSUE, MERGE_REQUEST, NOTE, SNIPPET;

src/main/java/org/gitlab4j/api/models/Badge.java

 package org.gitlab4j.api.models;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
 import org.gitlab4j.api.utils.JacksonJson;
 import org.gitlab4j.api.utils.JacksonJsonEnumHelper;
 
-import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonValue;
+import java.io.Serializable;
 
-public class Badge {
+public class Badge implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     public enum BadgeKind {
         PROJECT, GROUP;

src/main/java/org/gitlab4j/api/models/Blame.java

 package org.gitlab4j.api.models;
 
-import java.util.List;
-
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class Blame {
+import java.io.Serializable;
+import java.util.List;
+
+public class Blame implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Commit commit;
     private List<String> lines;

src/main/java/org/gitlab4j/api/models/Board.java

 package org.gitlab4j.api.models;
 
-import java.util.List;
-
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class Board {
+import java.io.Serializable;
+import java.util.List;
+
+public class Board implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Long id;
     private String name;

src/main/java/org/gitlab4j/api/models/BoardList.java

@@ -2,7 +2,10 @@ package org.gitlab4j.api.models;
 
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class BoardList {
+import java.io.Serializable;
+
+public class BoardList implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Long id;
     private Label label;

src/main/java/org/gitlab4j/api/models/Branch.java

@@ -3,7 +3,10 @@ package org.gitlab4j.api.models;
 
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class Branch {
+import java.io.Serializable;
+
+public class Branch implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Commit commit;
     private Boolean developersCanMerge;

src/main/java/org/gitlab4j/api/models/BranchAccessLevel.java

@@ -2,7 +2,10 @@ package org.gitlab4j.api.models;
 
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class BranchAccessLevel {
+import java.io.Serializable;
+
+public class BranchAccessLevel implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Long id;
     private AccessLevel accessLevel;

src/main/java/org/gitlab4j/api/models/Bridge.java

@@ -2,9 +2,12 @@ package org.gitlab4j.api.models;
 
 import org.gitlab4j.api.utils.JacksonJson;
 
+import java.io.Serializable;
 import java.util.Date;
 
-public class Bridge {
+public class Bridge implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private Commit commit;
     private boolean allowFailure;
     private Date createdAt;

src/main/java/org/gitlab4j/api/models/ChangelogPayload.java

@@ -5,9 +5,11 @@ import org.gitlab4j.api.GitLabApiForm;
 import org.gitlab4j.api.utils.ISO8601;
 import org.gitlab4j.api.utils.JacksonJson;
 
+import java.io.Serializable;
 import java.util.Date;
 
-public class ChangelogPayload {
+public class ChangelogPayload implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private String version;
     private String from;

src/main/java/org/gitlab4j/api/models/Changes.java

 package org.gitlab4j.api.models;
 
-import org.gitlab4j.api.utils.JacksonJson;
-
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import org.gitlab4j.api.utils.JacksonJson;
+
+import java.io.Serializable;
 
-public class Changes {
+public class Changes implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     @JsonInclude(JsonInclude.Include.ALWAYS)
     @JsonProperty("a_mode")

src/main/java/org/gitlab4j/api/models/ChildEpic.java

@@ -3,6 +3,7 @@ package org.gitlab4j.api.models;
 import org.gitlab4j.api.utils.JacksonJson;
 
 public class ChildEpic extends AbstractEpic<ChildEpic> {
+    private static final long serialVersionUID = 1L;
 
     public String toString() {
         return (JacksonJson.toJsonString(this));

src/main/java/org/gitlab4j/api/models/Comment.java

 package org.gitlab4j.api.models;
 
-import java.util.Date;
-
 import org.gitlab4j.api.Constants.LineType;
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class Comment {
+import java.io.Serializable;
+import java.util.Date;
+
+public class Comment implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Author author;
     private Date createdAt;

src/main/java/org/gitlab4j/api/models/Commit.java

 
 package org.gitlab4j.api.models;
 
+import org.gitlab4j.api.utils.JacksonJson;
+
+import java.io.Serializable;
 import java.util.Date;
 import java.util.List;
 
-import org.gitlab4j.api.utils.JacksonJson;
-
-public class Commit {
+public class Commit implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Author author;
     private Date authoredDate;

src/main/java/org/gitlab4j/api/models/CommitAction.java

 package org.gitlab4j.api.models;
 
-import java.io.File;
-import java.io.IOException;
-
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
 import org.gitlab4j.api.Constants.Encoding;
 import org.gitlab4j.api.GitLabApiException;
 import org.gitlab4j.api.utils.FileUtils;
 import org.gitlab4j.api.utils.JacksonJson;
 import org.gitlab4j.api.utils.JacksonJsonEnumHelper;
 
-import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonValue;
+import java.io.File;
+import java.io.IOException;
+import java.io.Serializable;
 
-public class CommitAction {
+public class CommitAction implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     public enum Action {
 
@@ -142,7 +143,7 @@ public class CommitAction {
 
     public CommitAction withFileContent(File file, String filePath, Encoding encoding) throws GitLabApiException {
 
-        this.encoding = (encoding != null ? encoding : Encoding.TEXT); 
+        this.encoding = (encoding != null ? encoding : Encoding.TEXT);
         this.filePath = filePath;
 
         try {

src/main/java/org/gitlab4j/api/models/CommitPayload.java

 package org.gitlab4j.api.models;
 
+import org.gitlab4j.api.utils.JacksonJson;
+
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.gitlab4j.api.utils.JacksonJson;
-
-public class CommitPayload {
+public class CommitPayload implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private String branch;
     private String commitMessage;

src/main/java/org/gitlab4j/api/models/CommitRef.java

 package org.gitlab4j.api.models;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
 import org.gitlab4j.api.utils.JacksonJson;
 import org.gitlab4j.api.utils.JacksonJsonEnumHelper;
 
-import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonValue;
+import java.io.Serializable;
 
-public class CommitRef {
+public class CommitRef implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private RefType type;
     private String name;

src/main/java/org/gitlab4j/api/models/CommitStats.java

@@ -2,7 +2,10 @@ package org.gitlab4j.api.models;
 
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class CommitStats {
+import java.io.Serializable;
+
+public class CommitStats implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Integer additions;
     private Integer deletions;

src/main/java/org/gitlab4j/api/models/CommitStatus.java

 
 package org.gitlab4j.api.models;
 
-import java.util.Date;
-
 import org.gitlab4j.api.utils.JacksonJson;
 
-public class CommitStatus {
+import java.io.Serializable;
+import java.util.Date;
+
+public class CommitStatus implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private Boolean allowFailure;
     private Author author;