Sergey Gotliv has posted comments on this change.
Change subject: engine: cleanup in RemoveSnapshotSingleDiskCommand
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Patch Set 1:
(3 comments)
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File
backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/RemoveSnapshotSingleDiskCommand.java
Line 14: import org.ovirt.engine.core.common.vdscommands.VDSCommandType;
Line 15: import org.ovirt.engine.core.common.vdscommands.VDSReturnValue;
Line 16: import org.ovirt.engine.core.compat.Guid;
Line 17: import org.ovirt.engine.core.dal.job.ExecutionMessageDirector;
Line 18: import org.springframework.util.CollectionUtils;
Your assumption is wrong, that's exactly what I meant.
Let's start from the beginning. My motivation is replace existing:
list != null && list.size() > 0
With more simple utility method:
isEmpty()
Unfortunately, apache introduced CollectionUtils.isEmpty() in 3.2 version while
we are using the old 3.1. Of course I can move forward to 3.2 and I assume it
should be safe based on my previous experience with upgrades of apache commons,
but still I want do that more carefully and honestly isEmpty() is not worth to
take chances.
Spring CollectionUtils.isEmpty is already used in our code by CloudInitHandler.
So why not here?
Line 19:
Line 20: @InternalCommandAttribute
Line 21: public class RemoveSnapshotSingleDiskCommand<T extends
ImagesContainterParametersBase> extends BaseImagesCommand<T> {
Line 22: public RemoveSnapshotSingleDiskCommand(T parameters) {
Line 47:
Line 48: return runVdsCommand(VDSCommandType.MergeSnapshots, params);
Line 49: }
Line 50:
Line 51: private Guid createTask(VDSReturnValue vdsReturnValue, Guid
storageDomainId) {
It was a matter of dependencies.
Currently this command is not depends on AsyncTaskCreationInfo, one import
less, so I wanted to keep it that way.
Line 52: Guid taskId =
persistAsyncTaskPlaceHolder(VdcActionType.RemoveSnapshot);
Line 53: String message =
ExecutionMessageDirector.resolveStepMessage(StepEnum.MERGE_SNAPSHOTS,
Line 54: getJobMessageProperties());
Line 55:
Line 48: return runVdsCommand(VDSCommandType.MergeSnapshots, params);
Line 49: }
Line 50:
Line 51: private Guid createTask(VDSReturnValue vdsReturnValue, Guid
storageDomainId) {
Line 52: Guid taskId =
persistAsyncTaskPlaceHolder(VdcActionType.RemoveSnapshot);
Done
Line 53: String message =
ExecutionMessageDirector.resolveStepMessage(StepEnum.MERGE_SNAPSHOTS,
Line 54: getJobMessageProperties());
Line 55:
Line 56: return super.createTask(taskId,
vdsReturnValue.getCreationInfo(), VdcActionType.RemoveSnapshot,
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Gerrit-MessageType: comment
Gerrit-Change-Id: Ibe60ca192123553a2c5a2bac2f34b3e4d9a64f3b
Gerrit-PatchSet: 1
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Sergey Gotliv <sgot...@redhat.com>
Gerrit-Reviewer: Allon Mureinik <amure...@redhat.com>
Gerrit-Reviewer: Daniel Erez <de...@redhat.com>
Gerrit-Reviewer: Maor Lipchuk <mlipc...@redhat.com>
Gerrit-Reviewer: Sergey Gotliv <sgot...@redhat.com>
Gerrit-Reviewer: oVirt Jenkins CI Server
Gerrit-HasComments: Yes
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