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package io.foldright.cffu.ttl;

import com.alibaba.ttl.threadpool.TtlExecutors;
import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import io.foldright.cffu.spi.ExecutorWrapperProvider;

import java.util.concurrent.Executor;

import static java.util.Objects.requireNonNull;


/**
 * Cffu executor wrapper provider({@link ExecutorWrapperProvider}) SPI implementation for
 * 📌 TransmittableThreadLocal (TTL).
 */
public final class CffuTtlExecutorWrapperProvider implements ExecutorWrapperProvider {
    /**
     * Returns the {@code TTL}
     * executor wrapper of the given executor.
     */
    @NonNull
    @Override
    @SuppressFBWarnings("NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE")
    public Executor wrap(@NonNull Executor executor) {
        return TtlExecutors.getTtlExecutor(requireNonNull(executor, "executor is null"));
    }
}