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https://issues.apache.org/jira/browse/FLINK-7856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16241708#comment-16241708
]
ASF GitHub Bot commented on FLINK-7856:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/4893#discussion_r149305275
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/JobVertexBackPressureInfo.java
---
@@ -0,0 +1,133 @@
+/*
+ * 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.flink.runtime.rest.messages;
+
+import
org.apache.flink.runtime.rest.handler.job.JobVertexBackPressureHandler;
+
+import
org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator;
+import
org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Response type of the {@link JobVertexBackPressureHandler}.
+ */
+public class JobVertexBackPressureInfo implements ResponseBody {
+
+ public static final String FIELD_NAME_STATUS = "status";
+ public static final String FIELD_NAME_BACKPRESSURE_LEVEL =
"backpressure-level";
+ public static final String FIELD_NAME_END_TIMESTAMP = "end-timestamp";
+ public static final String FIELD_NAME_SUBTASKS = "subtasks";
+
+ @JsonProperty(FIELD_NAME_STATUS)
+ private final String status;
+
+ @JsonProperty(FIELD_NAME_BACKPRESSURE_LEVEL)
+ private final String backpressureLevel;
+
+ @JsonProperty(FIELD_NAME_END_TIMESTAMP)
+ private final Long endTimestamp;
+
+ @JsonProperty(FIELD_NAME_SUBTASKS)
+ private final List<SubtaskBackPressureInfo> subtasks;
+
+ @JsonCreator
+ public JobVertexBackPressureInfo(
+ @JsonProperty(FIELD_NAME_STATUS) String status,
+ @JsonProperty(FIELD_NAME_BACKPRESSURE_LEVEL) String
backpressureLevel,
+ @JsonProperty(FIELD_NAME_END_TIMESTAMP) Long endTimestamp,
+ @JsonProperty(FIELD_NAME_SUBTASKS)
List<SubtaskBackPressureInfo> subtasks) {
+ this.status = status;
+ this.backpressureLevel = backpressureLevel;
+ this.endTimestamp = endTimestamp;
+ this.subtasks = subtasks;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ JobVertexBackPressureInfo that = (JobVertexBackPressureInfo) o;
+ return Objects.equals(status, that.status) &&
+ Objects.equals(backpressureLevel,
that.backpressureLevel) &&
+ Objects.equals(endTimestamp, that.endTimestamp) &&
+ Objects.equals(subtasks, that.subtasks);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(status, backpressureLevel, endTimestamp,
subtasks);
+ }
+
+
//---------------------------------------------------------------------------------
+ // Static helper classes
+
//---------------------------------------------------------------------------------
+
+ /**
+ * Nested class to encapsulate the sub tasks back pressure.
+ */
+ public static final class SubtaskBackPressureInfo {
+
+ public static final String FIELD_NAME_STATUS = "subtask";
+ public static final String FIELD_NAME_BACKPRESSURE_LEVEL =
"backpressure-level";
+ public static final String FIELD_NAME_RATIO = "ratio";
+
+ @JsonProperty(FIELD_NAME_STATUS)
+ private final int subtask;
+
+ @JsonProperty(FIELD_NAME_BACKPRESSURE_LEVEL)
+ private final String backpressureLevel;
+
+ @JsonProperty(FIELD_NAME_RATIO)
+ private final double ratio;
+
+ public SubtaskBackPressureInfo(
+ @JsonProperty(FIELD_NAME_STATUS) int subtask,
+ @JsonProperty(FIELD_NAME_BACKPRESSURE_LEVEL) String
backpressureLevel,
+ @JsonProperty(FIELD_NAME_RATIO) double ratio) {
+ this.subtask = subtask;
+ this.backpressureLevel = backpressureLevel;
--- End diff --
null check missing
> Port JobVertexBackPressureHandler to REST endpoint
> --------------------------------------------------
>
> Key: FLINK-7856
> URL: https://issues.apache.org/jira/browse/FLINK-7856
> Project: Flink
> Issue Type: Sub-task
> Components: Distributed Coordination, REST, Webfrontend
> Reporter: Fang Yong
> Assignee: Fang Yong
>
> Port JobVertexBackPressureHandler to REST endpoint
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