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[platform] IDE update strategy (minor optimization)

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This commit is contained in:
Roman Shevchenko
2016-04-06 13:03:22 +02:00
parent 1bc380f6fd
commit 971ec1fbef
1 changed files with 6 additions and 10 deletions
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platform/platform-impl/src/com/intellij/openapi/updateSettings/impl/UpdateStrategy.kt
+6 -10
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@@ -17,7 +17,6 @@ package com.intellij.openapi.updateSettings.impl
import com.intellij.openapi.updateSettings.UpdateStrategyCustomization
import com.intellij.openapi.util.BuildNumber
import java.util.*
class UpdateStrategy(private val currentBuild: BuildNumber, private val updates: UpdatesInfo, private val settings: UserUpdateSettings) {
enum class State {
@@ -34,10 +33,10 @@ class UpdateStrategy(private val currentBuild: BuildNumber, private val updates:
val ignoredBuilds = settings.ignoredBuildNumbers.toSet()
val result = product.channels.asSequence()
.filter { it.status.compareTo(selectedChannel) >= 0 }
.sortedWith(Comparator { ch1, ch2 -> ch1.status.compareTo(ch2.status) }) // by stability, asc
.map { ch -> ch.builds.asSequence().filter { build -> isApplicable(build, ignoredBuilds) } to ch }
.map { p -> candidateBuild(p.first) to p.second }
.filter { ch -> ch.status >= selectedChannel } // filter out inapplicable channels
.sortedBy { ch -> ch.status } // sort by stability, asc
.map { ch -> ch.builds.asSequence().filter { build -> isApplicable(build, ignoredBuilds) } to ch } // filter out inapplicable builds
.map { p -> maxBuild(p.first) to p.second } // max build in a channel, preferring same baseline
.filter { p -> p.first != null }
.maxBy { p -> p.first!!.number }
@@ -49,11 +48,8 @@ class UpdateStrategy(private val currentBuild: BuildNumber, private val updates:
candidate.number.asStringWithoutProductCode() !in ignoredBuilds &&
candidate.target?.inRange(currentBuild) ?: true
private fun candidateBuild(builds: Sequence<BuildInfo>) =
latestBuild(builds.filter { it.number.baselineVersion == currentBuild.baselineVersion }) ?: latestBuild(builds)
private fun latestBuild(builds: Sequence<BuildInfo>) =
builds.fold(null as BuildInfo?) { best, candidate -> if (best == null || candidate.number > best.number) candidate else best }
private fun maxBuild(builds: Sequence<BuildInfo>) =
builds.filter { it.number.baselineVersion == currentBuild.baselineVersion }.maxBy { it.number } ?: builds.maxBy { it.number }
//<editor-fold desc="Deprecated stuff.">