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https://issues.apache.org/jira/browse/GOBBLIN-1910?focusedWorklogId=906729&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-906729
]
ASF GitHub Bot logged work on GOBBLIN-1910:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 23/Feb/24 23:45
Start Date: 23/Feb/24 23:45
Worklog Time Spent: 10m
Work Description: phet commented on code in PR #3858:
URL: https://github.com/apache/gobblin/pull/3858#discussion_r1501238214
##########
gobblin-service/src/main/java/org/apache/gobblin/service/modules/orchestration/task/DagTask.java:
##########
@@ -0,0 +1,64 @@
+/*
+ * 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.gobblin.service.modules.orchestration.task;
+
+import java.io.IOException;
+
+import lombok.Getter;
+
+import org.apache.gobblin.annotation.Alpha;
+import org.apache.gobblin.runtime.api.DagActionStore;
+import org.apache.gobblin.runtime.api.MultiActiveLeaseArbiter;
+import
org.apache.gobblin.service.modules.orchestration.DagManagementStateStore;
+import org.apache.gobblin.service.modules.orchestration.DagManager;
+import org.apache.gobblin.service.modules.orchestration.DagManagerUtils;
+import org.apache.gobblin.service.modules.orchestration.DagTaskVisitor;
+import org.apache.gobblin.service.modules.orchestration.proc.DagProc;
+
+
+/**
+ * Defines an individual task in a Dag.
+ * Upon completion of the {@link DagProc#process(DagManagementStateStore)} it
will mark the lease
+ * acquired by {@link org.apache.gobblin.runtime.api.MultiActiveLeaseArbiter}
as complete
+ */
+
+@Alpha
+public abstract class DagTask<T> {
+ @Getter public DagActionStore.DagAction dagAction;
+ private MultiActiveLeaseArbiter.LeaseAttemptStatus leaseObtainedStatus;
+ @Getter DagManager.DagId dagId;
+
+ public DagTask(DagActionStore.DagAction dagAction,
MultiActiveLeaseArbiter.LeaseAttemptStatus leaseObtainedStatus) {
+ this.dagAction = dagAction;
+ this.leaseObtainedStatus = leaseObtainedStatus;
+ this.dagId = DagManagerUtils.generateDagId(dagAction.getFlowGroup(),
dagAction.getFlowName(), dagAction.getFlowExecutionId());
+ }
+
+ public abstract T host(DagTaskVisitor<T> visitor);
+
+ /**
+ * Currently, conclusion of {@link DagTask} marks and records a successful
release of lease.
+ * It is invoked after {@link DagProc#process(DagManagementStateStore)} is
completed successfully.
+ * @param multiActiveLeaseArbiter
+ * @throws IOException
+ */
+ // todo call it from the right place
+ public void conclude(MultiActiveLeaseArbiter multiActiveLeaseArbiter) throws
IOException {
Review Comment:
@umustafi and I discussed having the `LeaseAttemptSuccess` remember its
MALeaseArbiter, to enable its use as a proxy for recording lease success.
with that, there'd be no need for the MALA param. also, IIRC
`recordLeaseSuccess` returns a boolean, so that should be the return type here
and it's important to note the semantics (of whether to check the return val)
in method javadoc
Issue Time Tracking
-------------------
Worklog Id: (was: 906729)
Time Spent: 23h 40m (was: 23.5h)
> Refactor code to move current in-memory references to new design for REST
> calls: Launch, Resume and Kill
> --------------------------------------------------------------------------------------------------------
>
> Key: GOBBLIN-1910
> URL: https://issues.apache.org/jira/browse/GOBBLIN-1910
> Project: Apache Gobblin
> Issue Type: New Feature
> Reporter: Meeth Gala
> Priority: Major
> Time Spent: 23h 40m
> Remaining Estimate: 0h
>
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