case aggFnCount:
		// For all non-null values, the count is incremented.
		e.aggregate.runningCount++

	case aggFnAvg, aggFnSum:
		e.aggregate.runningCount++
		// Convert to float.
		f, ok := argVal.ToFloat()
		if !ok {
			return fmt.Errorf("Could not convert value %v (%s) to a number", argVal.value, argVal.GetTypeString())
		}
		argVal.setFloat(f)
		err = e.aggregate.runningSum.arithOp(opPlus, argVal)

				return false
			}
			for i := range aA {
				if !cmp(aA[i], bA[i]) {
					return false
				}
			}
			return true
		}
		// Try as numbers
		aF, aOK := a.ToFloat()
		bF, bOK := b.ToFloat()

		diff := math.Abs(aF - bF)
		return aOK && bOK && diff < floatCmpTolerance
	}

	var rhs Value
	var err error
	var eltVal *Value
	switch {
	case e.JPathExpr != nil:

        try {
            final RESULT result = entityType.newInstance();
            result.setBoost(DfTypeUtil.toFloat(source.get("boost")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));

        try {
            final RESULT result = entityType.newInstance();
            result.setAvailable(DfTypeUtil.toBoolean(source.get("available")));
            result.setBoost(DfTypeUtil.toFloat(source.get("boost")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));

    protected final Map<String, PropertyGateway> _epgMap = newHashMap();
    {
        setupEpg(_epgMap, et -> ((KeyMatch) et).getBoost(), (et, vl) -> ((KeyMatch) et).setBoost(DfTypeUtil.toFloat(vl)), "boost");
        setupEpg(_epgMap, et -> ((KeyMatch) et).getCreatedBy(), (et, vl) -> ((KeyMatch) et).setCreatedBy(DfTypeUtil.toString(vl)),
                "createdBy");

        try {
            final RESULT result = entityType.newInstance();
            result.setAvailable(DfTypeUtil.toBoolean(source.get("available")));
            result.setBoost(DfTypeUtil.toFloat(source.get("boost")));
            result.setConfigParameter(DfTypeUtil.toString(source.get("configParameter")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));

        try {
            final RESULT result = entityType.newInstance();
            result.setAvailable(DfTypeUtil.toBoolean(source.get("available")));
            result.setBoost(DfTypeUtil.toFloat(source.get("boost")));
            result.setConfigParameter(DfTypeUtil.toString(source.get("configParameter")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));

                "available");
        setupEpg(_epgMap, et -> ((FileConfig) et).getBoost(), (et, vl) -> ((FileConfig) et).setBoost(DfTypeUtil.toFloat(vl)), "boost");
        setupEpg(_epgMap, et -> ((FileConfig) et).getConfigParameter(),
                (et, vl) -> ((FileConfig) et).setConfigParameter(DfTypeUtil.toString(vl)), "configParameter");

                "available");
        setupEpg(_epgMap, et -> ((DataConfig) et).getBoost(), (et, vl) -> ((DataConfig) et).setBoost(DfTypeUtil.toFloat(vl)), "boost");
        setupEpg(_epgMap, et -> ((DataConfig) et).getCreatedBy(), (et, vl) -> ((DataConfig) et).setCreatedBy(DfTypeUtil.toString(vl)),
                "createdBy");

                "available");
        setupEpg(_epgMap, et -> ((WebConfig) et).getBoost(), (et, vl) -> ((WebConfig) et).setBoost(DfTypeUtil.toFloat(vl)), "boost");
        setupEpg(_epgMap, et -> ((WebConfig) et).getConfigParameter(),
                (et, vl) -> ((WebConfig) et).setConfigParameter(DfTypeUtil.toString(vl)), "configParameter");