From ce3dc45782406d694cf849486aca15474230aef3 Mon Sep 17 00:00:00 2001
From: Hugo Mercado <hugo.mario.mercado@gmail.com>
Date: Mon, 3 Sep 2018 05:46:41 -0500
Subject: [PATCH 1/2] added helper to check if a collection is empty.

---
 .../v3/generators/DefaultCodegenConfig.java   |  2 ++
 .../generators/handlebars/NotEmptyHelper.java | 26 +++++++++++++++++++
 src/main/resources/v2/JavaJaxRS/pojo.mustache |  2 +-
 3 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/io/swagger/codegen/v3/generators/handlebars/NotEmptyHelper.java

diff --git a/src/main/java/io/swagger/codegen/v3/generators/DefaultCodegenConfig.java b/src/main/java/io/swagger/codegen/v3/generators/DefaultCodegenConfig.java
index ab76454842..eba888db66 100644
--- a/src/main/java/io/swagger/codegen/v3/generators/DefaultCodegenConfig.java
+++ b/src/main/java/io/swagger/codegen/v3/generators/DefaultCodegenConfig.java
@@ -22,6 +22,7 @@
 import io.swagger.codegen.v3.generators.handlebars.HasNotHelper;
 import io.swagger.codegen.v3.generators.handlebars.IsHelper;
 import io.swagger.codegen.v3.generators.handlebars.IsNotHelper;
+import io.swagger.codegen.v3.generators.handlebars.NotEmptyHelper;
 import io.swagger.codegen.v3.generators.handlebars.StringUtilHelper;
 import io.swagger.codegen.v3.templates.HandlebarTemplateEngine;
 import io.swagger.codegen.v3.templates.TemplateEngine;
@@ -3336,6 +3337,7 @@ public void addHandlebarHelpers(Handlebars handlebars) {
         handlebars.registerHelper(HasNotHelper.NAME, new HasNotHelper());
         handlebars.registerHelper(BracesHelper.NAME, new BracesHelper());
         handlebars.registerHelper(BaseItemsHelper.NAME, new BaseItemsHelper());
+        handlebars.registerHelper(NotEmptyHelper.NAME, new NotEmptyHelper());
         handlebars.registerHelpers(new StringUtilHelper());
     }
 
diff --git a/src/main/java/io/swagger/codegen/v3/generators/handlebars/NotEmptyHelper.java b/src/main/java/io/swagger/codegen/v3/generators/handlebars/NotEmptyHelper.java
new file mode 100644
index 0000000000..3e6eddcdb2
--- /dev/null
+++ b/src/main/java/io/swagger/codegen/v3/generators/handlebars/NotEmptyHelper.java
@@ -0,0 +1,26 @@
+package io.swagger.codegen.v3.generators.handlebars;
+
+import com.github.jknack.handlebars.Helper;
+import com.github.jknack.handlebars.Options;
+
+import java.io.IOException;
+import java.util.Collection;
+
+public class NotEmptyHelper implements Helper<Collection> {
+    public static final String NAME = "notEmpty";
+
+    @Override
+    public Object apply(Collection collection, Options options) throws IOException {
+        final Options.Buffer buffer = options.buffer();
+
+        System.out.println("------------------------ collection:");
+        System.out.println(collection);
+
+        if (collection == null || collection.isEmpty()) {
+            buffer.append(options.inverse());
+        } else {
+            buffer.append(options.fn());
+        }
+        return buffer;
+    }
+}
diff --git a/src/main/resources/v2/JavaJaxRS/pojo.mustache b/src/main/resources/v2/JavaJaxRS/pojo.mustache
index 8c66dbb4a6..cbb7e17d23 100644
--- a/src/main/resources/v2/JavaJaxRS/pojo.mustache
+++ b/src/main/resources/v2/JavaJaxRS/pojo.mustache
@@ -113,7 +113,7 @@ public class {{classname}} {{#parent}}extends {{{parent}}}{{/parent}} {{#seriali
 
   @Override
   public int hashCode() {
-    return Objects.hash({{#vars}}{{name}}{{#has this 'more'}}, {{/has}}{{/vars}}{{#parentModel}}{{#has this 'vars'}}, {{/has}}super.hashCode(){{/parentModel}});
+    return Objects.hash({{#vars}}{{name}}{{#has this 'more'}}, {{/has}}{{/vars}}{{#parentModel}}{{#has ../this 'vars'}}, {{/has}}super.hashCode(){{/parentModel}});
   }
 
 {{/supportJava6}}

From bf93df5dca69691a3f950111a7fc83fffadca72f Mon Sep 17 00:00:00 2001
From: Hugo Mercado <hugo.mario.mercado@gmail.com>
Date: Mon, 3 Sep 2018 05:48:01 -0500
Subject: [PATCH 2/2] removed print

---
 .../codegen/v3/generators/handlebars/NotEmptyHelper.java       | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/main/java/io/swagger/codegen/v3/generators/handlebars/NotEmptyHelper.java b/src/main/java/io/swagger/codegen/v3/generators/handlebars/NotEmptyHelper.java
index 3e6eddcdb2..f59a419a1c 100644
--- a/src/main/java/io/swagger/codegen/v3/generators/handlebars/NotEmptyHelper.java
+++ b/src/main/java/io/swagger/codegen/v3/generators/handlebars/NotEmptyHelper.java
@@ -13,9 +13,6 @@ public class NotEmptyHelper implements Helper<Collection> {
     public Object apply(Collection collection, Options options) throws IOException {
         final Options.Buffer buffer = options.buffer();
 
-        System.out.println("------------------------ collection:");
-        System.out.println(collection);
-
         if (collection == null || collection.isEmpty()) {
             buffer.append(options.inverse());
         } else {