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https://issues.apache.org/jira/browse/TWILL-116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14621221#comment-14621221
]
ASF GitHub Bot commented on TWILL-116:
--------------------------------------
Github user hsaputra commented on a diff in the pull request:
https://github.com/apache/incubator-twill/pull/52#discussion_r34300785
--- Diff:
twill-api/src/main/java/org/apache/twill/api/UpdateRunnableStateResult.java ---
@@ -0,0 +1,85 @@
+/*
+ * 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.twill.api;
+
+import java.util.Objects;
+
+/**
+ * Represent the result of updating state for a {@link TwillRunnable}
instance.
+ */
+public class UpdateRunnableStateResult {
+ private final String command;
+ private final String status;
+ private final int instanceId;
+ private final String runnableName;
+
+ public UpdateRunnableStateResult(String command, String status, int
instanceId, String runnableName) {
+ this.command = command;
+ this.status = status;
--- End diff --
Agree. Would add Enum to it.
> Support for restart instances of runnable in an application
> -----------------------------------------------------------
>
> Key: TWILL-116
> URL: https://issues.apache.org/jira/browse/TWILL-116
> Project: Apache Twill
> Issue Type: New Feature
> Components: core
> Reporter: Albert Shau
> Assignee: Henry Saputra
> Fix For: 0.6.0-incubating
>
> Attachments: TWILL-116-design-4.pdf, TWILL-116-design-5.pdf,
> TWILL-116-design-6.pdf, TWILL-116-design-7.pdf, TWILL-116-design-final-2.pdf
>
>
> Once an application is running, it would be good to be able to stop, start,
> and restart a specific runnable of the application without affecting other
> runnables.
> For example, I may be running multiple services in a single application, with
> each service as a different runnable. One of my services gets into an invalid
> state. I now want to restart just that runnable and not the other ones that
> are running properly.
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