Package org.apache.pig.impl.eval.cond

Examples of org.apache.pig.impl.eval.cond.Cond


            // will ensure that we get at least one input tuple, which in turns ensures that we output at least one tuple
           
        } else if (spec instanceof FilterSpec) {
            FilterSpec fSpec = (FilterSpec) spec;
           
            Cond filterCond = fSpec.cond;
           
            // if necessary, insert one or more positive examples (i.e. tuples that pass the filter)
            if (outputConstraints.cardinality() > 0) {     // there's one or more output constraints; generate corresponding input constraints
                for (Iterator<Tuple> it = outputConstraints.iterator(); it.hasNext(); ) {
                    Tuple outputConstraint = it.next();
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        }
        return new OutputCollector<WritableComparable, Tuple>(){
            public void collect(WritableComparable key, Tuple value) throws IOException {
                ArrayList<Cond> conditions = splitSpec.conditions;
                for (int i=0; i< conditions.size(); i++){
                    Cond cond = conditions.get(i);
                    if (cond.eval(value)){
                        //System.out.println("Writing " + t + " to condition " + cond);
                        sideFileWriters.get(i).write(null, value);
                    }
                }
               
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