From: Robert Varga <rovarga@cisco.com>
Date: Mon, 12 Dec 2016 18:07:43 +0000 (+0100)
Subject: BUG-5280: speed FrontendClientMetadataBuilder up
X-Git-Tag: release/carbon~352
X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=commitdiff_plain;h=02f198022910a0c90c93808aa0af55b2f4405781;hp=02f198022910a0c90c93808aa0af55b2f4405781;ds=inline

BUG-5280: speed FrontendClientMetadataBuilder up

ensureHistory() boils down to a simple computeIfAbsent(),
so make it more concise by using a simple constructor lambda.

Change-Id: Ia093ced071ae5e0411633d3c4f501a4e94c5de43
Signed-off-by: Robert Varga <rovarga@cisco.com>
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