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Improved classloader closing (#2650)

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* Better handling of classloader closing
This commit is contained in:
Maksymilian Pawlak
2018-02-27 11:15:23 +00:00
committed by GitHub
parent 3391810101
commit 3066926f0f
1 changed files with 3 additions and 4 deletions
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7
node-api/src/main/kotlin/net/corda/nodeapi/internal/ClassloaderUtils.kt
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@ -24,10 +24,9 @@ fun scanJarForContracts(cordappJarPath: String): List<ContractClassName> {
val contracts = (scanResult.getNamesOfClassesImplementing(Contract::class.qualifiedName) ).distinct() val contracts = (scanResult.getNamesOfClassesImplementing(Contract::class.qualifiedName) ).distinct()
// Only keep instantiable contracts // Only keep instantiable contracts
val classLoader = URLClassLoader(arrayOf(File(cordappJarPath).toURL()), currentClassLoader) return URLClassLoader(arrayOf(File(cordappJarPath).toURL()), currentClassLoader).use {
val concreteContracts = contracts.map(classLoader::loadClass).filter { !it.isInterface && !Modifier.isAbstract(it.modifiers) } contracts.map(it::loadClass).filter { !it.isInterface && !Modifier.isAbstract(it.modifiers) }
classLoader.close() }.map { it.name }
return concreteContracts.map { it.name }
} }
fun <T> withContractsInJar(jarInputStream: InputStream, withContracts: (List<ContractClassName>, InputStream) -> T): T { fun <T> withContractsInJar(jarInputStream: InputStream, withContracts: (List<ContractClassName>, InputStream) -> T): T {