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[CORDA-2431] - Reduce memory footprint of classpath scanning (#4576)

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* Reduce memory footprint of classpath scanning

* Close scan result in the end
This commit is contained in:
Dimos Raptis 2019-01-15 10:15:40 +00:00 committed by GitHub
parent d1575b4031
commit f51cfc34bf
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 20 additions and 22 deletions
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8
core/src/main/kotlin/net/corda/core/internal/ClassLoadingUtils.kt
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@ -1,8 +1,6 @@
package net.corda.core.internal
import io.github.classgraph.ClassGraph
import net.corda.core.CordaInternal
import net.corda.core.DeleteForDJVM
import net.corda.core.StubOutForDJVM
import kotlin.reflect.full.createInstance
@ -21,11 +19,13 @@ import kotlin.reflect.full.createInstance
@StubOutForDJVM
fun <T: Any> loadClassesImplementing(classloader: ClassLoader, clazz: Class<T>): Set<T> {
return ClassGraph().addClassLoader(classloader)
.enableAllInfo()
.enableClassInfo()
.scan()
.getClassesImplementing(clazz.name)
.use {
it.getClassesImplementing(clazz.name)
.filterNot { it.isAbstract }
.mapNotNull { classloader.loadClass(it.name).asSubclass(clazz) }
.map { it.kotlin.objectInstance ?: it.kotlin.createInstance() }
.toSet()
}
}

2
samples/attachment-demo/src/integration-test/kotlin/net/corda/attachmentdemo/AttachmentDemoTest.kt
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@ -23,7 +23,7 @@ class AttachmentDemoTest {
startNode(providedName = DUMMY_BANK_A_NAME, rpcUsers = demoUser, maximumHeapSize = "1g"),
startNode(providedName = DUMMY_BANK_B_NAME, rpcUsers = demoUser, maximumHeapSize = "1g")
).map { it.getOrThrow() }
val webserverHandle = startWebserver(nodeB, "1g").getOrThrow()
val webserverHandle = startWebserver(nodeB).getOrThrow()
val senderThread = supplyAsync {
CordaRPCClient(nodeA.rpcAddress).start(demoUser[0].username, demoUser[0].password).use {

2
samples/irs-demo/cordapp/src/main/kotlin/net/corda/irs/flows/FixingFlow.kt
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@ -63,7 +63,7 @@ object FixingFlow {
// We set the transaction's time-window: it may be that none of the contracts need this!
// But it can't hurt to have one.
ptx.setTimeWindow(serviceHub.clock.instant(), 60.seconds)
ptx.setTimeWindow(serviceHub.clock.instant(), 30.seconds)
}
@Suspendable

11
samples/simm-valuation-demo/src/integration-test/kotlin/net/corda/vega/SimmValuationTest.kt
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@ -54,14 +54,13 @@ class SimmValuationTest {
assertThat(logConfigFile).isRegularFile()
driver(DriverParameters(isDebug = true,
cordappsForAllNodes = listOf(findCordapp("net.corda.vega.flows"), findCordapp("net.corda.vega.contracts"), findCordapp("net.corda.confidential")) + FINANCE_CORDAPPS,
systemProperties = mapOf("log4j.configurationFile" to logConfigFile.toString()),
notarySpecs = listOf(NotarySpec(DUMMY_NOTARY_NAME, maximumHeapSize = "1g")))
systemProperties = mapOf("log4j.configurationFile" to logConfigFile.toString()))
) {
val nodeAFuture = startNode(providedName = nodeALegalName, maximumHeapSize = "1g")
val nodeBFuture = startNode(providedName = nodeBLegalName, maximumHeapSize = "1g")
val nodeAFuture = startNode(providedName = nodeALegalName)
val nodeBFuture = startNode(providedName = nodeBLegalName)
val (nodeA, nodeB) = listOf(nodeAFuture, nodeBFuture).map { it.getOrThrow() }
val nodeAWebServerFuture = startWebserver(nodeA, "1g")
val nodeBWebServerFuture = startWebserver(nodeB, "1g")
val nodeAWebServerFuture = startWebserver(nodeA)
val nodeBWebServerFuture = startWebserver(nodeB)
val nodeAApi = HttpApi.fromHostAndPort(nodeAWebServerFuture.getOrThrow().listenAddress, "api/simmvaluationdemo")
val nodeBApi = HttpApi.fromHostAndPort(nodeBWebServerFuture.getOrThrow().listenAddress, "api/simmvaluationdemo")
val nodeBParty = getPartyWithName(nodeAApi, nodeBLegalName)

9
samples/trader-demo/src/integration-test/kotlin/net/corda/traderdemo/TraderDemoTest.kt
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@ -37,13 +37,12 @@ class TraderDemoTest {
driver(DriverParameters(
startNodesInProcess = true,
inMemoryDB = false,
cordappsForAllNodes = FINANCE_CORDAPPS + TestCordapp.findCordapp("net.corda.traderdemo"),
notarySpecs = listOf(NotarySpec(DUMMY_NOTARY_NAME, maximumHeapSize = "1g"))
cordappsForAllNodes = FINANCE_CORDAPPS + TestCordapp.findCordapp("net.corda.traderdemo")
)) {
val (nodeA, nodeB, bankNode) = listOf(
startNode(providedName = DUMMY_BANK_A_NAME, rpcUsers = listOf(demoUser), maximumHeapSize = "1g"),
startNode(providedName = DUMMY_BANK_B_NAME, rpcUsers = listOf(demoUser), maximumHeapSize = "1g"),
startNode(providedName = BOC_NAME, rpcUsers = listOf(bankUser), maximumHeapSize = "1g")
startNode(providedName = DUMMY_BANK_A_NAME, rpcUsers = listOf(demoUser)),
startNode(providedName = DUMMY_BANK_B_NAME, rpcUsers = listOf(demoUser)),
startNode(providedName = BOC_NAME, rpcUsers = listOf(bankUser))
).map { (it.getOrThrow() as InProcess) }
val (nodeARpc, nodeBRpc) = listOf(nodeA, nodeB).map {

2
webserver/src/integration-test/kotlin/net/corda/webserver/WebserverDriverTests.kt
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@ -31,7 +31,7 @@ class WebserverDriverTests {
fun `starting a node and independent web server works`() {
val addr = driver(DriverParameters(notarySpecs = emptyList())) {
val node = startNode(providedName = DUMMY_BANK_A_NAME).getOrThrow()
val webserverHandle = startWebserver(node, "512m").getOrThrow()
val webserverHandle = startWebserver(node).getOrThrow()
webserverMustBeUp(webserverHandle)
webserverHandle.listenAddress
}