ATLAS-1346: Search API to return empty list/container object instead of exception

intg/src/main/java/org/apache/atlas/AtlasErrorCode.java

@@ -24,7 +24,7 @@ import javax.ws.rs.core.Response;
 import java.text.MessageFormat;
 import java.util.Arrays;
 public enum AtlasErrorCode {
-    NO_SEARCH_RESULTS(204, "ATLAS2041E", "Given search filter did not yield any results"),
+    NO_SEARCH_RESULTS(204, "ATLAS2041E", "Given search filter {0} did not yield any results"),
 
     // All Bad request enums go here
     UNKNOWN_TYPE(400, "ATLAS4001E", "Unknown type {0} for {1}.{2}"),

release-log.txt

@@ -9,6 +9,7 @@ ATLAS-1060 Add composite indexes for exact match performance improvements for al
 ATLAS-1127 Modify creation and modification timestamps to Date instead of Long(sumasai)
 
 ALL CHANGES:
+ATLAS-1346 Search API to return empty list/container object instead of exception (apoorvnaik via mneethiraj)
 ATLAS-1428 Create of entityDef type fails with type already exists exception (sarath.kum4r@gmail.com via mneethiraj)
 ATLAS-1421 Regression : HTML is displayed for deleted entities in search-result and entity-details pages (Kalyanikashikar via mneethiraj)
 ATLAS-1417 HIveHook: synchronous execution fails to notify (sumasai via mneethiraj)

repository/src/main/java/org/apache/atlas/GraphTransactionInterceptor.java

@@ -80,9 +80,14 @@ public class GraphTransactionInterceptor implements MethodInterceptor {
     }
 
     boolean logException(Throwable t) {
-        return !(t instanceof NotFoundException) &&
-                ((t instanceof AtlasBaseException) &&
-                        ((AtlasBaseException) t).getAtlasErrorCode().getHttpCode() != Response.Status.NOT_FOUND);
+        if (t instanceof AtlasBaseException) {
+            Response.Status httpCode = ((AtlasBaseException) t).getAtlasErrorCode().getHttpCode();
+            return httpCode != Response.Status.NOT_FOUND && httpCode != Response.Status.NO_CONTENT;
+        } else if (t instanceof NotFoundException) {
+            return false;
+        } else {
+            return true;
+        }
     }
 
     public static abstract class PostTransactionHook {

repository/src/main/java/org/apache/atlas/repository/store/graph/AtlasTypeDefGraphStore.java

@@ -208,9 +208,6 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore, Activ
     @GraphTransaction
     public AtlasEnumDefs searchEnumDefs(SearchFilter filter) throws AtlasBaseException {
         AtlasEnumDefs search = getEnumDefStore(typeRegistry).search(filter);
-        if (search == null || search.getTotalCount() == 0) {
-            throw new AtlasBaseException(AtlasErrorCode.NO_SEARCH_RESULTS);
-        }
         return search;
     }
 
@@ -323,9 +320,7 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore, Activ
     @GraphTransaction
     public AtlasStructDefs searchStructDefs(SearchFilter filter) throws AtlasBaseException {
         AtlasStructDefs search = getStructDefStore(typeRegistry).search(filter);
-        if (search == null || search.getTotalCount() == 0) {
-            throw new AtlasBaseException(AtlasErrorCode.NO_SEARCH_RESULTS);
-        }
+
         return search;
     }
 
@@ -442,9 +437,7 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore, Activ
     @GraphTransaction
     public AtlasClassificationDefs searchClassificationDefs(SearchFilter filter) throws AtlasBaseException {
         AtlasClassificationDefs search = getClassificationDefStore(typeRegistry).search(filter);
-        if (search == null || search.getTotalCount() == 0) {
-            throw new AtlasBaseException(AtlasErrorCode.NO_SEARCH_RESULTS);
-        }
+
         return search;
     }
 
@@ -557,9 +550,7 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore, Activ
     @GraphTransaction
     public AtlasEntityDefs searchEntityDefs(SearchFilter filter) throws AtlasBaseException {
         AtlasEntityDefs search = getEntityDefStore(typeRegistry).search(filter);
-        if (search == null || search.getTotalCount() == 0) {
-            throw new AtlasBaseException(AtlasErrorCode.NO_SEARCH_RESULTS);
-        }
+
         return search;
     }
 
@@ -917,9 +908,6 @@ public abstract class AtlasTypeDefGraphStore implements AtlasTypeDefStore, Activ
             LOG.error("Failed to retrieve the EntityDefs", ex);
         }
 
-        if (typesDef.isEmpty()) {
-            throw new AtlasBaseException(AtlasErrorCode.NO_SEARCH_RESULTS);
-        }
         return typesDef;
     }
 

repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasClassificationDefStoreV1.java

@@ -347,7 +347,6 @@ public class AtlasClassificationDefStoreV1 extends AtlasAbstractDefStoreV1 imple
             }
         }
 
-        if (CollectionUtils.isNotEmpty(classificationDefs)) {
         CollectionUtils.filter(classificationDefs, FilterUtil.getPredicateFromSearchFilter(filter));
 
         AtlasClassificationDefs ret = new AtlasClassificationDefs(classificationDefs);
@@ -356,9 +355,6 @@ public class AtlasClassificationDefStoreV1 extends AtlasAbstractDefStoreV1 imple
             LOG.debug("<== AtlasClassificationDefStoreV1.search({}): {}", filter, ret);
         }
         return ret;
-        } else {
-            throw new AtlasBaseException(AtlasErrorCode.NO_SEARCH_RESULTS);
-        }
     }
 
     private void updateVertexPreCreate(AtlasClassificationDef  classificationDef,

webapp/src/main/java/org/apache/atlas/web/resources/TypesResource.java

@@ -265,9 +265,8 @@ public class TypesResource {
 
             return Response.ok(response).build();
         } catch (AtlasBaseException e) {
-            LOG.error("Given search filter did not yield any results");
-            throw new WebApplicationException(
-                    Servlets.getErrorResponse(new Exception("Given search filter did not yield any results "), Response.Status.BAD_REQUEST));
+            LOG.warn("TypesREST exception: {} {}", e.getClass().getSimpleName(), e.getMessage());
+            throw new WebApplicationException(Servlets.getErrorResponse(e, e.getAtlasErrorCode().getHttpCode()));
         } catch (Throwable e) {
             LOG.error("Unable to get types list", e);
             throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.INTERNAL_SERVER_ERROR));

webapp/src/main/java/org/apache/atlas/web/rest/TypesREST.java

@@ -34,8 +34,6 @@ import org.apache.atlas.store.AtlasTypeDefStore;
 import org.apache.atlas.type.AtlasTypeUtil;
 import org.apache.atlas.web.util.Servlets;
 import org.apache.http.annotation.Experimental;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import javax.inject.Singleton;
 import javax.servlet.http.HttpServletRequest;