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• CompletableFutureExtension.kt

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com.fireflysource.common.concurrent.CompletableFutureExtension.kt Maven / Gradle / Ivy

package com.fireflysource.common.concurrent

import com.fireflysource.common.sys.Result
import java.util.concurrent.CompletableFuture
import java.util.concurrent.CompletionStage

inline fun  CompletionStage.exceptionallyCompose(crossinline block: (Throwable) -> CompletionStage): CompletableFuture {
    return CompletableFutures.exceptionallyCompose(this) { block(it) }.toCompletableFuture()
}

inline fun  CompletionStage.exceptionallyAccept(crossinline block: (Throwable) -> Unit): CompletableFuture {
    return this.exceptionally {
        block(it)
        null
    }.thenCompose { Result.DONE }.toCompletableFuture()
}

inline fun  CompletionStage.doFinally(crossinline block: (T?, Throwable?) -> CompletableFuture): CompletableFuture {
    return CompletableFutures.doFinally(this) { value, throwable -> block(value, throwable) }
}