io.virtdata.libbasics.shared.from_long.to_int.HashRangeScaled Maven / Gradle / Ivy

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With inspiration from other libraries

There is a newer version: 2.12.15

package io.virtdata.libbasics.shared.from_long.to_int;

import io.virtdata.annotations.ThreadSafeMapper;
import io.virtdata.libbasics.shared.from_long.to_long.Hash;

import java.util.function.LongToIntFunction;

@ThreadSafeMapper
public class HashRangeScaled implements LongToIntFunction {

    private final Hash hash = new Hash();

    @Override
    public int applyAsInt(long operand) {
        if (operand==0) { return 0; }
        long l = hash.applyAsLong(operand);
        return (int) ((l % operand) % Integer.MAX_VALUE);
    }
}