com.github.dennisit.vplus.data.utils.shard.route.ModRouteStrategy Maven / Gradle / Ivy
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package com.github.dennisit.vplus.data.utils.shard.route;
import com.github.dennisit.vplus.data.utils.shard.RouteStrategy;
import org.apache.commons.lang3.StringUtils;
import java.util.zip.CRC32;
import java.util.zip.Checksum;
public class ModRouteStrategy implements RouteStrategy {
@Override
public long route(String routeKey) {
if (StringUtils.isNotBlank(routeKey)) {
Checksum checksum = new CRC32();
byte[] bytes = routeKey.getBytes();
checksum.update(bytes, 0, bytes.length);
return checksum.getValue();
}
return 1L;
}
}