Add type and resolver classes associated to schema files

apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql-v6/aggregation.graphqls

@@ -41,5 +41,5 @@ type TopNEntity {
 # All aggregation queries require backend or/and storage do aggregation in query time.
 extend type Query {
     # TopN is an aggregation query.
-    getTopN(metric: TopNCondition!): [TopNEntity!]!
+    getTopN(condition: TopNCondition!): [TopNEntity!]!
 }
\ No newline at end of file

apm-protocol/apm-ui-protocol/src/main/resources/ui-graphql-v6/metadata.graphqls

@@ -57,6 +57,6 @@ extend type Query {
 
     # Endpoint query
     # Consider there are huge numbers of endpoint,
-    # must use endpoint owner's service id, keyword and top N filter to do query.
-    searchEndpoint(keyword: String!, serviceId: ID!, topN: Int!): [Endpoint!]!
+    # must use endpoint owner's service id, keyword and limit filter to do query.
+    searchEndpoint(keyword: String!, serviceId: ID!, limit: Int!): [Endpoint!]!
 }
\ No newline at end of file

oap-server/pom.xml

@@ -46,7 +46,8 @@
         <guava.version>19.0</guava.version>
         <snakeyaml.version>1.18</snakeyaml.version>
         <gson.version>2.8.1</gson.version>
-        <graphql-java-tools.version>4.3.0</graphql-java-tools.version>
+        <graphql-java-tools.version>5.2.3</graphql-java-tools.version>
+        <graphql-java.version>8.0</graphql-java.version>
         <zookeeper.version>3.4.10</zookeeper.version>
         <grpc.version>1.10.0</grpc.version>
         <jetty.version>9.4.2.v20170220</jetty.version>
@@ -57,8 +58,6 @@
         <elasticsearch.version>6.3.1</elasticsearch.version>
         <joda-time.version>2.9.9</joda-time.version>
         <kubernetes.version>2.0.0</kubernetes.version>
-        <graphql-java.version>8.0</graphql-java.version>
-        <graphql-java-tools.version>5.2.3</graphql-java-tools.version>
     </properties>
 
     <dependencies>
@@ -121,6 +120,11 @@
                 <artifactId>graphql-java-tools</artifactId>
                 <version>${graphql-java-tools.version}</version>
             </dependency>
+            <dependency>
+                <groupId>com.graphql-java</groupId>
+                <artifactId>graphql-java</artifactId>
+                <version>${graphql-java.version}</version>
+            </dependency>
             <dependency>
                 <groupId>com.google.code.gson</groupId>
                 <artifactId>gson</artifactId>
@@ -234,16 +238,6 @@
                 <artifactId>client-java</artifactId>
                 <version>${kubernetes.version}</version>
             </dependency>
-            <dependency>
-                <groupId>com.graphql-java</groupId>
-                <artifactId>graphql-java</artifactId>
-                <version>${graphql-java.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>com.graphql-java</groupId>
-                <artifactId>graphql-java-tools</artifactId>
-                <version>${graphql-java-tools.version}</version>
-            </dependency>
         </dependencies>
     </dependencyManagement>
 </project>
\ No newline at end of file

oap-server/server-query-plugin/query-graphql-plugin/pom.xml

@@ -30,16 +30,6 @@
     <artifactId>query-graphql-plugin</artifactId>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.skywalking</groupId>
-            <artifactId>library-module</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.skywalking</groupId>
-            <artifactId>library-util</artifactId>
-            <version>${project.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.skywalking</groupId>
             <artifactId>server-core</artifactId>

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/GraphQLQueryHandler.java

@@ -34,8 +34,6 @@ import java.util.List;
 import java.util.Map;
 import javax.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
-import org.apache.skywalking.oap.server.library.server.jetty.ArgumentsParseException;
-
 import org.apache.skywalking.oap.server.library.server.jetty.JettyJsonHandler;
 import org.apache.skywalking.oap.server.library.util.CollectionUtils;
 import org.slf4j.Logger;
@@ -63,11 +61,11 @@ public class GraphQLQueryHandler extends JettyJsonHandler {
         return path;
     }
 
-    @Override protected JsonElement doGet(HttpServletRequest req) throws ArgumentsParseException {
+    @Override protected JsonElement doGet(HttpServletRequest req) {
         throw new UnsupportedOperationException("GraphQL only supports POST method");
     }
 
-    @Override protected JsonElement doPost(HttpServletRequest req) throws ArgumentsParseException, IOException {
+    @Override protected JsonElement doPost(HttpServletRequest req) throws IOException {
         BufferedReader reader = new BufferedReader(new InputStreamReader(req.getInputStream()));
         String line;
         StringBuilder request = new StringBuilder();

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/GraphQLQueryProvider.java

@@ -21,8 +21,14 @@ package org.apache.skywalking.oap.query.graphql;
 import com.coxautodev.graphql.tools.SchemaParser;
 import graphql.GraphQL;
 import graphql.schema.GraphQLSchema;
+import org.apache.skywalking.oap.query.graphql.resolver.AggregationQuery;
+import org.apache.skywalking.oap.query.graphql.resolver.AlarmQuery;
+import org.apache.skywalking.oap.query.graphql.resolver.MetadataQuery;
+import org.apache.skywalking.oap.query.graphql.resolver.MetricQuery;
 import org.apache.skywalking.oap.query.graphql.resolver.Mutation;
 import org.apache.skywalking.oap.query.graphql.resolver.Query;
+import org.apache.skywalking.oap.query.graphql.resolver.TopologyQuery;
+import org.apache.skywalking.oap.query.graphql.resolver.TraceQuery;
 import org.apache.skywalking.oap.server.core.CoreModule;
 import org.apache.skywalking.oap.server.core.query.QueryModule;
 import org.apache.skywalking.oap.server.core.server.JettyHandlerRegister;
@@ -59,6 +65,18 @@ public class GraphQLQueryProvider extends ModuleProvider {
         GraphQLSchema schema = SchemaParser.newParser()
             .file("ui-graphql-v6/common.graphqls")
             .resolvers(new Query(), new Mutation())
+            .file("ui-graphql-v6/metadata.graphqls")
+            .resolvers(new MetadataQuery())
+            .file("ui-graphql-v6/metric.graphqls")
+            .resolvers(new MetricQuery())
+            .file("ui-graphql-v6/topology.graphqls")
+            .resolvers(new TopologyQuery())
+            .file("ui-graphql-v6/trace.graphqls")
+            .resolvers(new TraceQuery())
+            .file("ui-graphql-v6/aggregation.graphqls")
+            .resolvers(new AggregationQuery())
+            .file("ui-graphql-v6/alarm.graphqls")
+            .resolvers(new AlarmQuery())
             .build()
             .makeExecutableSchema();
         this.graphQL = GraphQL.newGraphQL(schema).build();

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/AggregationQuery.java

+/*
+ * 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.query.graphql.resolver;
+
+import com.coxautodev.graphql.tools.GraphQLQueryResolver;
+import java.util.Collections;
+import java.util.List;
+import org.apache.skywalking.oap.query.graphql.type.TopNCondition;
+import org.apache.skywalking.oap.query.graphql.type.TopNEntity;
+
+public class AggregationQuery implements GraphQLQueryResolver {
+    public List<TopNEntity> getTopN(final TopNCondition condition) {
+        return Collections.emptyList();
+    }
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/AlarmQuery.java

+/*
+ * 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.query.graphql.resolver;
+
+import com.coxautodev.graphql.tools.GraphQLQueryResolver;
+import org.apache.skywalking.oap.query.graphql.type.AlarmTrend;
+import org.apache.skywalking.oap.query.graphql.type.Alarms;
+import org.apache.skywalking.oap.query.graphql.type.Duration;
+import org.apache.skywalking.oap.query.graphql.type.Pagination;
+import org.apache.skywalking.oap.query.graphql.type.Scope;
+
+public class AlarmQuery implements GraphQLQueryResolver {
+    public AlarmTrend getAlarmTrend(final Duration duration) {
+        return new AlarmTrend();
+    }
+
+    public Alarms getAlarm(final Duration duration, final Scope scope, final Pagination paging) {
+        return new Alarms();
+    }
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/MetadataQuery.java

+/*
+ * 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.query.graphql.resolver;
+
+import com.coxautodev.graphql.tools.GraphQLQueryResolver;
+import java.util.Collections;
+import java.util.List;
+import org.apache.skywalking.oap.query.graphql.type.ClusterBrief;
+import org.apache.skywalking.oap.query.graphql.type.Duration;
+import org.apache.skywalking.oap.query.graphql.type.Endpoint;
+import org.apache.skywalking.oap.query.graphql.type.Service;
+import org.apache.skywalking.oap.query.graphql.type.ServiceInstance;
+
+public class MetadataQuery implements GraphQLQueryResolver {
+    public ClusterBrief getGlobalBrief(final Duration duration) {
+        return new ClusterBrief();
+    }
+
+    public List<Service> getAllServices(final Duration duration) {
+        return Collections.emptyList();
+    }
+
+    public List<Service> searchServices(final Duration duration, final String keyword) {
+        return Collections.emptyList();
+    }
+
+    public List<ServiceInstance> getServiceInstances(final Duration duration, final String id) {
+        return Collections.emptyList();
+    }
+
+    public List<Endpoint> searchEndpoint(final String keyword, final String serviceId, final int limit) {
+        return Collections.emptyList();
+    }
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/MetricQuery.java

+/*
+ * 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.query.graphql.resolver;
+
+import com.coxautodev.graphql.tools.GraphQLQueryResolver;
+import org.apache.skywalking.oap.query.graphql.type.Duration;
+import org.apache.skywalking.oap.query.graphql.type.LinearIntValues;
+import org.apache.skywalking.oap.query.graphql.type.MetricCondition;
+import org.apache.skywalking.oap.query.graphql.type.Thermodynamic;
+
+public class MetricQuery implements GraphQLQueryResolver {
+    public LinearIntValues getLinearIntValues(final MetricCondition metric, final Duration duration) {
+        return new LinearIntValues();
+    }
+
+    public Thermodynamic getThermodynamic(final MetricCondition metric, final Duration duration) {
+        return new Thermodynamic();
+    }
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/TopologyQuery.java

+/*
+ * 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.query.graphql.resolver;
+
+import com.coxautodev.graphql.tools.GraphQLQueryResolver;
+import org.apache.skywalking.oap.query.graphql.type.Duration;
+import org.apache.skywalking.oap.query.graphql.type.Topology;
+
+public class TopologyQuery implements GraphQLQueryResolver {
+    public Topology getGlobalTopology(final Duration duration) {
+        return new Topology();
+    }
+
+    public Topology getServiceTopology(final String serviceId, final Duration duration) {
+        return new Topology();
+    }
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/TraceQuery.java

+/*
+ * 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.query.graphql.resolver;
+
+import com.coxautodev.graphql.tools.GraphQLQueryResolver;
+import org.apache.skywalking.oap.query.graphql.type.Trace;
+import org.apache.skywalking.oap.query.graphql.type.TraceBrief;
+import org.apache.skywalking.oap.query.graphql.type.TraceQueryCondition;
+
+public class TraceQuery implements GraphQLQueryResolver {
+    public TraceBrief queryBasicTraces(final TraceQueryCondition condition) {
+        return new TraceBrief();
+    }
+
+    public Trace queryTrace(final String traceId) {
+        return new Trace();
+    }
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/AlarmMessage.java

+/*
+ * 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.query.graphql.type;
+
+public class AlarmMessage {
+    private Scope scope;
+    private String id;
+    private String message;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/AlarmTrend.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class AlarmTrend {
+    private List<Integer> numOfAlarm;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Alarms.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class Alarms {
+    private List<AlarmMessage> msgs;
+    private int total;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Attribute.java

+/*
+ * 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.query.graphql.type;
+
+public class Attribute {
+    private String name;
+    private String value;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/BasicTrace.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class BasicTrace {
+    private String segmentId;
+    private List<String> operationNames;
+    private int duration;
+    private String start;
+    private boolean isError;
+    private List<String> traceIds;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Call.java

+/*
+ * 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.query.graphql.type;
+
+public class Call {
+    private String source;
+    private String target;
+    private boolean isAlert;
+    private String callType;
+    private long cpm;
+    private long avgResponseTime;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/ClusterBrief.java

+/*
+ * 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.query.graphql.type;
+
+public class ClusterBrief {
+    private int numOfService;
+    private int numOfServiceInstance;
+    private int numOfDatabase;
+    private int numOfCache;
+    private int numOfMQ;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Duration.java

+/*
+ * 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.query.graphql.type;
+
+import lombok.Getter;
+
+@Getter
+public class Duration {
+    private String start;
+    private String end;
+    private Step step;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Endpoint.java

+/*
+ * 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.query.graphql.type;
+
+public class Endpoint {
+    private String id;
+    private String name;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/KVInt.java

+/*
+ * 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.query.graphql.type;
+
+public class KVInt {
+    private String id;
+    private int value;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/KeyValue.java

+/*
+ * 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.query.graphql.type;
+
+public class KeyValue {
+    private String key;
+    private String value;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Language.java

+/*
+ * 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.query.graphql.type;
+
+public enum Language {
+    UNKNOWN,
+    JAVA,
+    DOTNET,
+    NODEJS,
+    PYTHON,
+    RUBY
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/LinearIntValues.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class LinearIntValues {
+    private List<KVInt> values;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/LogEntity.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class LogEntity {
+    private long time;
+    private List<KeyValue> data;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/MetricCondition.java

+/*
+ * 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.query.graphql.type;
+
+public class MetricCondition {
+    private String id;
+    private String name;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Node.java

+/*
+ * 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.query.graphql.type;
+
+public class Node {
+    private String id;
+    private String name;
+    private String type;
+    private boolean isReal;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Order.java

+/*
+ * 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.query.graphql.type;
+
+public enum Order {
+    ASC,
+    DES
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Pagination.java

+/*
+ * 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.query.graphql.type;
+
+public class Pagination {
+    private int pageNum;
+    private int pageSize;
+    private boolean needTotal;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/QueryOrder.java

+/*
+ * 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.query.graphql.type;
+
+public enum QueryOrder {
+    BY_START_TIME,
+    BY_DURATION
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Ref.java

+/*
+ * 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.query.graphql.type;
+
+public class Ref {
+    private String traceId;
+    private String parentSegmentId;
+    private int parentSpanId;
+    private RefType type;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/RefType.java

+/*
+ * 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.query.graphql.type;
+
+public enum RefType {
+    CROSS_PROCESS,
+    CROSS_THREAD
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Scope.java

+/*
+ * 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.query.graphql.type;
+
+public enum Scope {
+    SERVICE,
+    SERVICE_INSTANCE,
+    ENDPOINT,
+    SERVICE_RELATION,
+    SERVICE_INSTANCE_RELATION,
+    ENDPOINT_RELATION
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Service.java

+/*
+ * 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.query.graphql.type;
+
+public class Service {
+    private String id;
+    private String name;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/ServiceInstance.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class ServiceInstance {
+    private String id;
+    private String name;
+    private List<Attribute> attributes;
+    private Language language;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Span.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class Span {
+    private String traceId;
+    private String segmentId;
+    private int spanId;
+    private int parentSpanId;
+    private List<Ref> refs;
+    private String applicationCode;
+    private long startTime;
+    private long endTime;
+    private String operationName;
+    private String type;
+    private String peer;
+    private String component;
+    private boolean isError;
+    private String layer;
+    private List<KeyValue> tags;
+    private List<LogEntity> logs;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Step.java

+/*
+ * 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.query.graphql.type;
+
+public enum Step {
+    MONTH,
+    DAY,
+    HOUR,
+    MINUTE,
+    SECOND
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Thermodynamic.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class Thermodynamic {
+    private List<List<Long>> nodes;
+    private int axisYStep;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/TopNCondition.java

+/*
+ * 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.query.graphql.type;
+
+import lombok.Getter;
+
+@Getter
+public class TopNCondition {
+    private String name;
+    private int topN;
+    private Order order;
+    private Scope filterScope;
+    private int filterId;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/TopNEntity.java

+/*
+ * 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.query.graphql.type;
+
+public class TopNEntity {
+    private String name;
+    private String id;
+    private int value;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Topology.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class Topology {
+    private List<Node> nodes;
+    private List<Call> calls;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/Trace.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class Trace {
+    private List<Span> spans;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/TraceBrief.java

+/*
+ * 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.query.graphql.type;
+
+import java.util.List;
+
+public class TraceBrief {
+    private List<BasicTrace> traces;
+    private int total;
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/TraceQueryCondition.java

+/*
+ * 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.query.graphql.type;
+
+import lombok.Getter;
+
+@Getter
+public class TraceQueryCondition {
+    private int applicationId;
+    private String traceId;
+    private String operationName;
+    private Duration queryDuration;
+    private int minTraceDuration;
+    private int maxTraceDuration;
+    private TraceState traceState;
+    private QueryOrder queryOrder;
+    private Pagination paging;
+
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/type/TraceState.java

+/*
+ * 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.query.graphql.type;
+
+public enum TraceState {
+    ALL,
+    SUCCESS,
+    ERROR,
+}