Generate hashcode on the java types.

editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/AnalysisOptions.java

Index: editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/AnalysisOptions.java
diff --git a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/AnalysisOptions.java b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/AnalysisOptions.java
index cfa48340535d08786008035a47f0b92b37e9d863..cce96b6a127f1a9e98b9917a5bff3f47ba61199a 100644
--- a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/AnalysisOptions.java
+++ b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/AnalysisOptions.java
@@ -26,6 +26,7 @@ import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonPrimitive;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
 import java.util.ArrayList;
 import java.util.Iterator;
 import org.apache.commons.lang3.StringUtils;
@@ -151,6 +152,17 @@ public class AnalysisOptions {
     return generateHints;
   }
 
+  @Override
+  public int hashCode() {
+    HashCodeBuilder builder = new HashCodeBuilder();
+    builder.append(enableAsync);
+    builder.append(enableDeferredLoading);
+    builder.append(enableEnums);
+    builder.append(generateDart2jsHints);
+    builder.append(generateHints);
+    return builder.toHashCode();
+  }
+
   public JsonObject toJson() {
     JsonObject jsonObject = new JsonObject();
     if (enableAsync != null) {