jmbkeyes edited a comment on issue #12512:
URL:
https://github.com/apache/shardingsphere/issues/12512#issuecomment-921634599
@zjcnb thanks for your help!
```
package com.forzadata.bodytrack.shardingstrategy.database;
import com.forzadata.bodytrack.consts.Consts;
import
org.apache.shardingsphere.sharding.api.sharding.standard.PreciseShardingValue;
import
org.apache.shardingsphere.sharding.api.sharding.standard.RangeShardingValue;
import
org.apache.shardingsphere.sharding.api.sharding.standard.StandardShardingAlgorithm;
import java.util.Collection;
import java.util.Properties;
public class CenterIdPrecisionShardingAlgorithm implements
StandardShardingAlgorithm<Long>{
@Override
public String doSharding(Collection<String> availableTargetNames,
PreciseShardingValue<Long> shardingValue) {
String value = Consts.CENTERID_MAPPING.get(shardingValue.getValue());
if(null == value){
throw new UnsupportedOperationException();
}
return value;
}
@Override
public Collection<String> doSharding(Collection<String>
availableTargetNames, RangeShardingValue<Long> shardingValue) {
return null;
}
@Override
public void init() {
System.out.println('a');
}
@Override
public String getType() {
return "centerid";
}
@Override
public Properties getProps() {
return null;
}
@Override
public void setProps(Properties props) {
}
}
```
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