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TestingExecutors.kt
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TestingExecutors.kt
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/*
* Copyright (C) 2023 Block, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package okio
import java.util.concurrent.ExecutorService
import java.util.concurrent.Executors
import java.util.concurrent.ScheduledExecutorService
import java.util.concurrent.ThreadFactory
object TestingExecutors {
val isLoom = System.getProperty("loomEnabled").toBoolean()
fun newScheduledExecutorService(corePoolSize: Int = 0): ScheduledExecutorService = if (isLoom) {
Executors.newScheduledThreadPool(corePoolSize, newVirtualThreadFactory())
} else {
Executors.newScheduledThreadPool(corePoolSize)
}
fun newExecutorService(corePoolSize: Int = 0): ExecutorService = if (isLoom) {
Executors.newScheduledThreadPool(corePoolSize, newVirtualThreadFactory())
} else {
Executors.newScheduledThreadPool(corePoolSize)
}
fun newVirtualThreadFactory(): ThreadFactory {
val threadBuilder = Thread::class.java.getMethod("ofVirtual").invoke(null)
return Class.forName("java.lang.Thread\$Builder").getMethod("factory").invoke(threadBuilder) as ThreadFactory
}
fun newVirtualThreadPerTaskExecutor(): ExecutorService {
return Executors::class.java.getMethod("newVirtualThreadPerTaskExecutor").invoke(null) as ExecutorService
}
}