com.landawn.abacus.util.function.Callable Maven / Gradle / Ivy

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package com.landawn.abacus.util.function;

import com.landawn.abacus.util.N;
import com.landawn.abacus.util.Try;

public interface Callable extends java.util.concurrent.Callable, Try.Callable {

    @Override
    R call();

    /**
     * Returns the specified instance
     * 
     * @param callable
     * @return
     */
    public static  Callable of(final Callable callable) {
        N.requireNonNull(callable);

        return callable;
    }

    public static Callable create(Runnable cmd) {
        N.requireNonNull(cmd);

        return new Callable() {
            @Override
            public Void call() {
                cmd.run();
                return null;
            }
        };
    }
}