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package bjc.functypes;
import java.util.function.Function;
/**
* A (possibly throwing) function associated with a closable resource
*
* @param <T> The input type
* @param <R> The result type
* @param <E> The exception type
*/
public interface ClosableThrowFunction<T, R, E extends Throwable> extends AutoCloseable, ThrowFunction<T, R, E> {
/**
* Create a ClosableFunction from a {@link AutoCloseable} and a {@link Function}
*
* @param <T> The input type
* @param <R> The result type
* @param f The function
* @param clos The AutoClosable
* @return The closable function
*/
public static <T, R, E extends Throwable> ClosableThrowFunction<T, R, E> bindFunction(ThrowFunction<T, R, E> f, AutoCloseable clos) {
return new ClosableThrowFunction<T, R, E>() {
@Override
public R apply(T t) throws E {
return f.apply(t);
}
@Override
public void close() throws Exception {
clos.close();
}
};
}
}
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