Yair Zaslavsky has posted comments on this change.
Change subject: core: RunVmCommand.canDoAction cleanup (1)
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Patch Set 4: (1 inline comment)
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File
backend/manager/modules/utils/src/main/java/org/ovirt/engine/core/utils/vmproperties/VmPropertiesUtils.java
Line 29:
Line 30: private static VmPropertiesUtils vmPropertiesUtils = null;
Line 31:
Line 32: public static VmPropertiesUtils getInstance() {
Line 33: if (vmPropertiesUtils == null) {
Why the singleton initialization change?
You can also consider perhaps using the Answer that suggests "lazy
initialization singleton".
http://stackoverflow.com/questions/878577/are-java-static-initializers-thread-safe.
And if "double check lock" - don't we need to add volatile here?
Line 34: synchronized (VmPropertiesUtils.class) {
Line 35: if (vmPropertiesUtils == null) {
Line 36: vmPropertiesUtils = new VmPropertiesUtils();
Line 37: }
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Gerrit-MessageType: comment
Gerrit-Change-Id: I60bbdb54d150878123968893c23169de253e1ba2
Gerrit-PatchSet: 4
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Gilad Chaplik <gchap...@redhat.com>
Gerrit-Reviewer: Arik Hadas <aha...@redhat.com>
Gerrit-Reviewer: Doron Fediuck <dfedi...@redhat.com>
Gerrit-Reviewer: Gilad Chaplik <gchap...@redhat.com>
Gerrit-Reviewer: Laszlo Hornyak <lhorn...@redhat.com>
Gerrit-Reviewer: Martin Peřina <mper...@redhat.com>
Gerrit-Reviewer: Michael Kublin <mkub...@redhat.com>
Gerrit-Reviewer: Omer Frenkel <ofren...@redhat.com>
Gerrit-Reviewer: Roy Golan <rgo...@redhat.com>
Gerrit-Reviewer: Yair Zaslavsky <yzasl...@redhat.com>
Gerrit-Reviewer: ofri masad <oma...@redhat.com>
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