package org.something;
import org.teiid.CommandContext;
import org.teiid.UserDefinedAggregate;
public class SumAll implements UserDefinedAggregate<Integer>{
private boolean isNull = true;
private int result;
@Override
public void reset() {
isNull = true;
result = 0;
}
@Override
public Integer getResult(CommandContext commandContext) {
if (isNull) {
return null;
}
return result;
}
public void addInput(Integer... vals) {
isNull = false;
for (int i : vals) {
result += i;
}
}
}