Attila Doroszlai created HDDS-14088:
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Summary: Replace Preconditions.checkNotNull in hdds-server-scm
Key: HDDS-14088
URL: https://issues.apache.org/jira/browse/HDDS-14088
Project: Apache Ozone
Issue Type: Sub-task
Components: SCM
Reporter: Attila Doroszlai
Replace {{Preconditions.checkNotNull}} with {{Objects.requireNonNull}} in
{{hdds-server-scm}}.
- Add message where missing, e.g.: {{Objects.requireNonNull(var, "var ==
null");}}
- Make sure to remove import of {{Preconditions}} if it becomes unused.
Currently:
{code}
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/block/DeletedBlockLogStateManagerImpl.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/command/CommandStatusReportHandler.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/placement/metrics/SCMNodeMetric.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/InterSCMGrpcClient.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/InterSCMGrpcProtocolService.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMHAManagerImpl.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMHANodeDetails.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMRatisServerImpl.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMServiceManager.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMStateMachine.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SequenceIdGenerator.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/StatefulServiceStateManagerImpl.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/HealthyReadOnlyNodeHandler.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/NodeReportHandler.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeStorageStatMap.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/states/ReportResult.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelinePlacementPolicy.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineReportHandler.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineStateManagerImpl.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineStateMap.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/safemode/HealthyPipelineSafeModeRule.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/safemode/OneReplicaPipelineSafeModeRule.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMCertStore.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMDatanodeHeartbeatDispatcher.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMDatanodeProtocolServer.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/StorageContainerManager.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/upgrade/FinalizationManagerImpl.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/upgrade/FinalizationStateManagerImpl.java
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/upgrade/SCMUpgradeFinalizationContext.java
{code}
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