Equals.java

package storm.trident.operation.builtin;

import storm.trident.operation.BaseFilter;
import storm.trident.tuple.TridentTuple;


public class Equals extends BaseFilter {

    @Override
    public boolean isKeep(TridentTuple tuple) {
        for(int i=0; i<tuple.size()-1; i++) {
            Object o1 = tuple.getValue(i);
            Object o2 = tuple.getValue(i+1);
            if(o1==null && o2!=null || o1!=null && o2==null || !o1.equals(o2)) {
                return false;
            }
        }
        return true;
    }
    
}