You are viewing a plain text version of this content. The canonical link for it is here.
Posted to notifications@skywalking.apache.org by wu...@apache.org on 2020/04/17 08:13:16 UTC

[skywalking] branch metrics created (now 00761e8)

This is an automated email from the ASF dual-hosted git repository.

wusheng pushed a change to branch metrics
in repository https://gitbox.apache.org/repos/asf/skywalking.git.


      at 00761e8  Add new query protocol handler and reformat the package based on query protocol.

This branch includes the following new commits:

     new 00761e8  Add new query protocol handler and reformat the package based on query protocol.

The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.



[skywalking] 01/01: Add new query protocol handler and reformat the package based on query protocol.

Posted by wu...@apache.org.
This is an automated email from the ASF dual-hosted git repository.

wusheng pushed a commit to branch metrics
in repository https://gitbox.apache.org/repos/asf/skywalking.git

commit 00761e828b4a3af33c8251d9b9cedf941ba095a6
Author: Wu Sheng <wu...@foxmail.com>
AuthorDate: Fri Apr 17 16:12:07 2020 +0800

    Add new query protocol handler and reformat the package based on query protocol.
---
 .../oap/server/core/query/entity/Language.java     | 23 ----------------------
 .../Language.java}                                 |  8 ++++----
 .../server/core/query/enumeration/MetricsType.java |  4 ++++
 .../core/query/{entity => enumeration}/Order.java  |  2 +-
 .../core/query/{entity => enumeration}/Scope.java  | 10 ++++++++--
 .../core/query/{entity => enumeration}/Step.java   |  2 +-
 .../oap/server/core/query/input}/Duration.java     |  2 +-
 .../oap/server/core/query/input/Entity.java        |  4 ++++
 .../core/query/input}/LogQueryCondition.java       |  4 ++--
 .../server/core/query/input}/MetricCondition.java  |  0
 .../server/core/query/input/MetricsCondition.java  |  4 ++++
 .../query/input}/ProfileTaskCreationRequest.java   |  2 +-
 .../oap/server/core/query/input/TopNCondition.java |  4 ++++
 .../core/query/input}/TraceQueryCondition.java     |  6 +++---
 .../core/query/{entity => type}/AlarmMessage.java  |  2 +-
 .../core/query/{entity => type}/AlarmTrend.java    |  2 +-
 .../server/core/query/{entity => type}/Alarms.java |  2 +-
 .../core/query/{entity => type}/Attribute.java     |  2 +-
 .../core/query/{entity => type}/BasicTrace.java    |  2 +-
 .../oap/server/core/query/type/Bucket.java         |  4 ++++
 .../server/core/query/{entity => type}/Call.java   |  2 +-
 .../core/query/{entity => type}/ClusterBrief.java  |  2 +-
 .../core/query/{entity => type}/ContentType.java   |  2 +-
 .../core/query/{entity => type}/Database.java      |  2 +-
 .../core/query/{entity => type}/Endpoint.java      |  2 +-
 .../core/query/{entity => type}/EndpointInfo.java  |  2 +-
 .../oap/server/core/query/type/HeatMap.java        |  4 ++++
 .../core/query/{entity => type}/IntValues.java     |  2 +-
 .../server/core/query/{entity => type}/KVInt.java  |  2 +-
 .../core/query/{entity => type}/KeyValue.java      |  2 +-
 .../server/core/query/{entity => type}/Log.java    |  2 +-
 .../core/query/{entity => type}/LogEntity.java     |  2 +-
 .../core/query/{entity => type}/LogState.java      |  2 +-
 .../server/core/query/{entity => type}/Logs.java   |  2 +-
 .../oap/server/core/query/type/MetricsValues.java  |  4 ++++
 .../server/core/query/{entity => type}/Node.java   |  2 +-
 .../core/query/{entity => type}/Pagination.java    |  2 +-
 .../query/{entity => type}/ProfileAnalyzation.java |  2 +-
 .../{entity => type}/ProfileAnalyzeTimeRange.java  |  2 +-
 .../{entity => type}/ProfileStackElement.java      |  2 +-
 .../query/{entity => type}/ProfileStackTree.java   |  2 +-
 .../core/query/{entity => type}/ProfileTask.java   |  2 +-
 .../ProfileTaskCreationResult.java                 |  2 +-
 .../query/{entity => type}/ProfileTaskLog.java     |  2 +-
 .../ProfileTaskLogOperationType.java               |  2 +-
 .../query/{entity => type}/ProfiledSegment.java    |  2 +-
 .../core/query/{entity => type}/ProfiledSpan.java  |  2 +-
 .../core/query/{entity => type}/QueryOrder.java    |  2 +-
 .../server/core/query/{entity => type}/Ref.java    |  2 +-
 .../core/query/{entity => type}/RefType.java       |  2 +-
 .../Order.java => type/SelectedRecord.java}        |  5 ++---
 .../core/query/{entity => type}/Service.java       |  2 +-
 .../query/{entity => type}/ServiceInstance.java    |  2 +-
 .../{entity => type}/ServiceInstanceNode.java      |  2 +-
 .../{entity => type}/ServiceInstanceTopology.java  |  2 +-
 .../server/core/query/{entity => type}/Span.java   |  2 +-
 .../core/query/{entity => type}/Thermodynamic.java |  2 +-
 .../core/query/{entity => type}/TopNEntity.java    |  2 +-
 .../core/query/{entity => type}/TopNRecord.java    |  2 +-
 .../core/query/{entity => type}/Topology.java      |  2 +-
 .../server/core/query/{entity => type}/Trace.java  |  2 +-
 .../core/query/{entity => type}/TraceBrief.java    |  2 +-
 .../core/query/{entity => type}/TraceState.java    |  2 +-
 .../oap/query/graphql/resolver/MetricsQuery.java   |  4 ++++
 64 files changed, 100 insertions(+), 86 deletions(-)

diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Language.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Language.java
deleted file mode 100644
index ae8d83a..0000000
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Language.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package org.apache.skywalking.oap.server.core.query.entity;
-
-public enum Language {
-    UNKNOWN, JAVA, DOTNET, NODEJS, PYTHON, RUBY, GO, LUA, PHP
-}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LanguageTrans.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Language.java
similarity index 87%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LanguageTrans.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Language.java
index 3403179..bba4401 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LanguageTrans.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Language.java
@@ -16,12 +16,12 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
-public enum LanguageTrans {
-    INSTANCE;
+public enum Language {
+    UNKNOWN, JAVA, DOTNET, NODEJS, PYTHON, RUBY, GO, LUA, PHP;
 
-    public Language value(String language) {
+    public static Language value(String language) {
         switch (language) {
             case "java":
                 return Language.JAVA;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/MetricsType.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/MetricsType.java
new file mode 100644
index 0000000..2299daa
--- /dev/null
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/MetricsType.java
@@ -0,0 +1,4 @@
+package org.apache.skywalking.oap.server.core.query.enumeration;
+
+public enum MetricsType {
+}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Order.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Order.java
similarity index 93%
copy from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Order.java
copy to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Order.java
index 52bd647..8739805 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Order.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Order.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 public enum Order {
     ASC, DES
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Scope.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Scope.java
similarity index 78%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Scope.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Scope.java
index e01006c..03cd696 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Scope.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Scope.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.HashMap;
 import lombok.Getter;
@@ -24,7 +24,13 @@ import org.apache.skywalking.oap.server.core.UnexpectedException;
 import org.apache.skywalking.oap.server.core.source.DefaultScopeDefine;
 
 public enum Scope {
-    Service(DefaultScopeDefine.SERVICE), ServiceInstance(DefaultScopeDefine.SERVICE_INSTANCE), Endpoint(DefaultScopeDefine.ENDPOINT), ServiceRelation(DefaultScopeDefine.SERVICE_RELATION), ServiceInstanceRelation(DefaultScopeDefine.SERVICE_INSTANCE_RELATION), EndpointRelation(DefaultScopeDefine.ENDPOINT_RELATION);
+    All(DefaultScopeDefine.ALL),
+    Service(DefaultScopeDefine.SERVICE),
+    ServiceInstance(DefaultScopeDefine.SERVICE_INSTANCE),
+    Endpoint(DefaultScopeDefine.ENDPOINT),
+    ServiceRelation(DefaultScopeDefine.SERVICE_RELATION),
+    ServiceInstanceRelation(DefaultScopeDefine.SERVICE_INSTANCE_RELATION),
+    EndpointRelation(DefaultScopeDefine.ENDPOINT_RELATION);
 
     @Getter
     private int scopeId;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Step.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Step.java
similarity index 93%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Step.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Step.java
index cd2ac4f..1fdf54c 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Step.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/enumeration/Step.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 public enum Step {
     DAY, HOUR, MINUTE, SECOND
diff --git a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Duration.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/Duration.java
similarity index 93%
rename from oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Duration.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/Duration.java
index b73142b..dc1a56e 100644
--- a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Duration.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/Duration.java
@@ -19,7 +19,7 @@
 package org.apache.skywalking.oap.query.graphql.type;
 
 import lombok.Getter;
-import org.apache.skywalking.oap.server.core.query.entity.Step;
+import org.apache.skywalking.oap.server.core.query.type.Step;
 
 @Getter
 public class Duration {
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/Entity.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/Entity.java
new file mode 100644
index 0000000..d813779
--- /dev/null
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/Entity.java
@@ -0,0 +1,4 @@
+package org.apache.skywalking.oap.server.core.query.input;
+
+public class Entity {
+}
diff --git a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/LogQueryCondition.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/LogQueryCondition.java
similarity index 89%
rename from oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/LogQueryCondition.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/LogQueryCondition.java
index 69ceaa0..cfe7200 100644
--- a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/LogQueryCondition.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/LogQueryCondition.java
@@ -20,8 +20,8 @@ package org.apache.skywalking.oap.query.graphql.type;
 
 import lombok.Getter;
 import lombok.Setter;
-import org.apache.skywalking.oap.server.core.query.entity.LogState;
-import org.apache.skywalking.oap.server.core.query.entity.Pagination;
+import org.apache.skywalking.oap.server.core.query.type.LogState;
+import org.apache.skywalking.oap.server.core.query.type.Pagination;
 
 @Getter
 @Setter
diff --git a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/MetricCondition.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/MetricCondition.java
similarity index 100%
rename from oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/MetricCondition.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/MetricCondition.java
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/MetricsCondition.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/MetricsCondition.java
new file mode 100644
index 0000000..925680e
--- /dev/null
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/MetricsCondition.java
@@ -0,0 +1,4 @@
+package org.apache.skywalking.oap.server.core.query.input;
+
+public class MetricsCondition {
+}
diff --git a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/ProfileTaskCreationRequest.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/ProfileTaskCreationRequest.java
similarity index 95%
rename from oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/ProfileTaskCreationRequest.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/ProfileTaskCreationRequest.java
index 8da3f8e..1900e01 100644
--- a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/ProfileTaskCreationRequest.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/ProfileTaskCreationRequest.java
@@ -20,7 +20,7 @@ package org.apache.skywalking.oap.query.graphql.type;
 
 import lombok.Getter;
 import lombok.Setter;
-import org.apache.skywalking.oap.server.core.query.entity.Step;
+import org.apache.skywalking.oap.server.core.query.type.Step;
 
 /**
  * Profile task create need data
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/TopNCondition.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/TopNCondition.java
new file mode 100644
index 0000000..a56d172
--- /dev/null
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/TopNCondition.java
@@ -0,0 +1,4 @@
+package org.apache.skywalking.oap.server.core.query.input;
+
+public class TopNCondition {
+}
diff --git a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/TraceQueryCondition.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/TraceQueryCondition.java
similarity index 86%
rename from oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/TraceQueryCondition.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/TraceQueryCondition.java
index 645e58e..6c7b38e 100644
--- a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/TraceQueryCondition.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/TraceQueryCondition.java
@@ -20,9 +20,9 @@ package org.apache.skywalking.oap.query.graphql.type;
 
 import lombok.Getter;
 import lombok.Setter;
-import org.apache.skywalking.oap.server.core.query.entity.Pagination;
-import org.apache.skywalking.oap.server.core.query.entity.QueryOrder;
-import org.apache.skywalking.oap.server.core.query.entity.TraceState;
+import org.apache.skywalking.oap.server.core.query.type.Pagination;
+import org.apache.skywalking.oap.server.core.query.type.QueryOrder;
+import org.apache.skywalking.oap.server.core.query.type.TraceState;
 
 @Getter
 @Setter
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/AlarmMessage.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/AlarmMessage.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/AlarmMessage.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/AlarmMessage.java
index 044dba4..710a04d 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/AlarmMessage.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/AlarmMessage.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/AlarmTrend.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/AlarmTrend.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/AlarmTrend.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/AlarmTrend.java
index 8028aee..b0c27fd 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/AlarmTrend.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/AlarmTrend.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Alarms.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Alarms.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Alarms.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Alarms.java
index af813f9..bd85d51 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Alarms.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Alarms.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Attribute.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Attribute.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Attribute.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Attribute.java
index a53dd77..b7067ff 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Attribute.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Attribute.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/BasicTrace.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/BasicTrace.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/BasicTrace.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/BasicTrace.java
index 4511c98..eac8f8b 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/BasicTrace.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/BasicTrace.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Bucket.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Bucket.java
new file mode 100644
index 0000000..9a06208
--- /dev/null
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Bucket.java
@@ -0,0 +1,4 @@
+package org.apache.skywalking.oap.server.core.query.type;
+
+public class Bucket {
+}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Call.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Call.java
similarity index 98%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Call.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Call.java
index f6177fb..e7b6ad9 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Call.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Call.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ClusterBrief.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ClusterBrief.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ClusterBrief.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ClusterBrief.java
index ad05b14..c6d1118 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ClusterBrief.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ClusterBrief.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ContentType.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ContentType.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ContentType.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ContentType.java
index 49c805d..0fd5ae7 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ContentType.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ContentType.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import org.apache.skywalking.oap.server.core.UnexpectedException;
 
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Database.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Database.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Database.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Database.java
index 92745b5..48a8dac 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Database.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Database.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Endpoint.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Endpoint.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Endpoint.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Endpoint.java
index 73e5cf8..a6e4b4c 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Endpoint.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Endpoint.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/EndpointInfo.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/EndpointInfo.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/EndpointInfo.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/EndpointInfo.java
index b301683..480e90a 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/EndpointInfo.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/EndpointInfo.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/HeatMap.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/HeatMap.java
new file mode 100644
index 0000000..69486d3
--- /dev/null
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/HeatMap.java
@@ -0,0 +1,4 @@
+package org.apache.skywalking.oap.server.core.query.type;
+
+public class HeatMap {
+}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/IntValues.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/IntValues.java
similarity index 96%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/IntValues.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/IntValues.java
index 4ab6c69..6fd7200 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/IntValues.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/IntValues.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.LinkedList;
 
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/KVInt.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/KVInt.java
similarity index 93%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/KVInt.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/KVInt.java
index c3150aa..6cbe687 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/KVInt.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/KVInt.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/KeyValue.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/KeyValue.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/KeyValue.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/KeyValue.java
index 5dcbc53..f536424 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/KeyValue.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/KeyValue.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Log.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Log.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Log.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Log.java
index e614c82..0751988 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Log.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Log.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LogEntity.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/LogEntity.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LogEntity.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/LogEntity.java
index df56398..9092b07 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LogEntity.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/LogEntity.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LogState.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/LogState.java
similarity index 93%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LogState.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/LogState.java
index 78be0ba..2c34e00 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/LogState.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/LogState.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 public enum LogState {
     ALL, SUCCESS, ERROR
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Logs.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Logs.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Logs.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Logs.java
index 5127a94..47ab3b2 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Logs.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Logs.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/MetricsValues.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/MetricsValues.java
new file mode 100644
index 0000000..9671e80
--- /dev/null
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/MetricsValues.java
@@ -0,0 +1,4 @@
+package org.apache.skywalking.oap.server.core.query.type;
+
+public class MetricsValues {
+}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Node.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Node.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Node.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Node.java
index 906a063..3e60238 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Node.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Node.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Pagination.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Pagination.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Pagination.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Pagination.java
index 22f004e..2210122 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Pagination.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Pagination.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileAnalyzation.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileAnalyzation.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileAnalyzation.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileAnalyzation.java
index 4285fea..11bf7b5 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileAnalyzation.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileAnalyzation.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileAnalyzeTimeRange.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileAnalyzeTimeRange.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileAnalyzeTimeRange.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileAnalyzeTimeRange.java
index 81bcfe6..4a2c236 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileAnalyzeTimeRange.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileAnalyzeTimeRange.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileStackElement.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileStackElement.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileStackElement.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileStackElement.java
index 26470ba..6c5085f 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileStackElement.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileStackElement.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileStackTree.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileStackTree.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileStackTree.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileStackTree.java
index 91c11e8..604bce8 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileStackTree.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileStackTree.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTask.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTask.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTask.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTask.java
index 7e27aa0..92e2fca 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTask.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTask.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.List;
 import lombok.AllArgsConstructor;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskCreationResult.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskCreationResult.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskCreationResult.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskCreationResult.java
index d4fb580..f8a6a65 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskCreationResult.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskCreationResult.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.AllArgsConstructor;
 import lombok.Builder;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskLog.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskLog.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskLog.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskLog.java
index fb1230d..c1f4d83 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskLog.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskLog.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.AllArgsConstructor;
 import lombok.Builder;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskLogOperationType.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskLogOperationType.java
similarity index 96%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskLogOperationType.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskLogOperationType.java
index 322bdf9..1df9c2c 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfileTaskLogOperationType.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfileTaskLogOperationType.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.HashMap;
 import java.util.Map;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfiledSegment.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfiledSegment.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfiledSegment.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfiledSegment.java
index 271dcdc..08acc5a 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfiledSegment.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfiledSegment.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfiledSpan.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfiledSpan.java
similarity index 96%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfiledSpan.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfiledSpan.java
index 58eda80..0bce4e9 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ProfiledSpan.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ProfiledSpan.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/QueryOrder.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/QueryOrder.java
similarity index 93%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/QueryOrder.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/QueryOrder.java
index 5aa1042..14579a8 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/QueryOrder.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/QueryOrder.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 public enum QueryOrder {
     BY_START_TIME, BY_DURATION
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Ref.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Ref.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Ref.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Ref.java
index d2822e2..31880b4 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Ref.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Ref.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/RefType.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/RefType.java
similarity index 93%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/RefType.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/RefType.java
index d47798b..e2b178f 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/RefType.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/RefType.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 public enum RefType {
     CROSS_PROCESS, CROSS_THREAD
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Order.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/SelectedRecord.java
similarity index 89%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Order.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/SelectedRecord.java
index 52bd647..e6d651f 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Order.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/SelectedRecord.java
@@ -16,8 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
-public enum Order {
-    ASC, DES
+public class TopNRecords {
 }
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Service.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Service.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Service.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Service.java
index 43b8fd9..a844cc9 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Service.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Service.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstance.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstance.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstance.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstance.java
index a97ee35..afbee9d 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstance.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstance.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstanceNode.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstanceNode.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstanceNode.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstanceNode.java
index 7fd2f1a..891af86 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstanceNode.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstanceNode.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstanceTopology.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstanceTopology.java
similarity index 95%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstanceTopology.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstanceTopology.java
index 4de98a2..30070d1 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/ServiceInstanceTopology.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/ServiceInstanceTopology.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Span.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Span.java
similarity index 96%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Span.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Span.java
index 2775e35..9ce279e 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Span.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Span.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Thermodynamic.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Thermodynamic.java
similarity index 97%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Thermodynamic.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Thermodynamic.java
index 759bb85..8a79408 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Thermodynamic.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Thermodynamic.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TopNEntity.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TopNEntity.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TopNEntity.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TopNEntity.java
index 1f716ab..345ecf0 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TopNEntity.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TopNEntity.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TopNRecord.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TopNRecord.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TopNRecord.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TopNRecord.java
index 3dda16e..da81b80 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TopNRecord.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TopNRecord.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import lombok.Getter;
 import lombok.Setter;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Topology.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Topology.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Topology.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Topology.java
index 4e52fe7..7b57115 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Topology.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Topology.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Trace.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Trace.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Trace.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Trace.java
index 669c5d6..abe1482 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/Trace.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/Trace.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TraceBrief.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TraceBrief.java
similarity index 94%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TraceBrief.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TraceBrief.java
index 9e0f1a7..b18ac4d 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TraceBrief.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TraceBrief.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TraceState.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TraceState.java
similarity index 93%
rename from oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TraceState.java
rename to oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TraceState.java
index 0e36e60..e3f6f63 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/entity/TraceState.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/type/TraceState.java
@@ -16,7 +16,7 @@
  *
  */
 
-package org.apache.skywalking.oap.server.core.query.entity;
+package org.apache.skywalking.oap.server.core.query.type;
 
 public enum TraceState {
     ALL, SUCCESS, ERROR,
diff --git a/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/MetricsQuery.java b/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/MetricsQuery.java
new file mode 100644
index 0000000..7eb6fb4
--- /dev/null
+++ b/oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/MetricsQuery.java
@@ -0,0 +1,4 @@
+package org.apache.skywalking.oap.query.graphql.resolver;
+
+public class MetricsQuery {
+}