package com.alibaba.jstorm.stats.incval;
import java.util.HashMap;
import java.util.Map;
import com.alibaba.jstorm.callback.RunnableCallback;
import com.alibaba.jstorm.stats.StatFunction;
import com.alibaba.jstorm.stats.rolling.UpdateParams;
public class IncValUpdater extends RunnableCallback {
@SuppressWarnings("unchecked")
@Override
public <T> Object execute(T... args) {
Map<Object, Long> curr = null;
if (args != null && args.length > 0) {
UpdateParams p = (UpdateParams) args[0];
if (p.getCurr() != null) {
curr = (Map<Object, Long>) p.getCurr();
} else {
curr = new HashMap<Object, Long>();
}
Object[] incArgs = p.getArgs();
Long amt = 1l;
if (incArgs.length > 1) {
amt = Long.parseLong(String.valueOf(incArgs[1]));
}
StatFunction.incr_val(curr, incArgs[0], amt);
}
return curr;
}
}