asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/aggregates/scalar/ScalarSumAggregateDescriptor.java

package edu.uci.ics.asterix.runtime.aggregates.scalar;

import edu.uci.ics.asterix.common.functions.FunctionConstants;
import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;

public class ScalarSumAggregateDescriptor extends AbstractScalarAggregateDescriptor {

    private static final long serialVersionUID = 1L;
    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "sum", 1);
    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
        public IFunctionDescriptor createFunctionDescriptor() {
            return new ScalarSumAggregateDescriptor();
        }
    };

    @Override
    public FunctionIdentifier getIdentifier() {
        return FID;
    }
}