Examples with MapValueUpdate com.yahoo.document.update.MapValueUpdate used on opensource projects

Example 6 with MapValueUpdate

use of com.yahoo.document.update.MapValueUpdate in project vespa by vespa-engine.

the class VespaDocumentDeserializer42 method getValueUpdate.

public ValueUpdate getValueUpdate(DataType superType, DataType subType) {
    int vuTypeId = getInt(null);
    ValueUpdate.ValueUpdateClassID op = ValueUpdate.ValueUpdateClassID.getID(vuTypeId);
    if (op == null) {
        throw new IllegalArgumentException("Read type " + vuTypeId + " of bytebuffer, but this is not a legal value update type.");
    }
    switch(op) {
        case ADD:
            {
                FieldValue fval = subType.createFieldValue();
                fval.deserialize(this);
                int weight = getInt(null);
                return new AddValueUpdate(fval, weight);
            }
        case ARITHMETIC:
            int opId = getInt(null);
            ArithmeticValueUpdate.Operator operator = ArithmeticValueUpdate.Operator.getID(opId);
            double operand = getDouble(null);
            return new ArithmeticValueUpdate(operator, operand);
        case ASSIGN:
            {
                byte contents = getByte(null);
                FieldValue fval = null;
                if (contents == (byte) 1) {
                    fval = superType.createFieldValue();
                    fval.deserialize(this);
                }
                return new AssignValueUpdate(fval);
            }
        case CLEAR:
            return new ClearValueUpdate();
        case MAP:
            if (superType instanceof ArrayDataType) {
                CollectionDataType type = (CollectionDataType) superType;
                IntegerFieldValue index = new IntegerFieldValue();
                index.deserialize(this);
                ValueUpdate update = getValueUpdate(type.getNestedType(), null);
                return new MapValueUpdate(index, update);
            } else if (superType instanceof WeightedSetDataType) {
                CollectionDataType type = (CollectionDataType) superType;
                FieldValue fval = type.getNestedType().createFieldValue();
                fval.deserialize(this);
                ValueUpdate update = getValueUpdate(DataType.INT, null);
                return new MapValueUpdate(fval, update);
            } else {
                throw new DeserializationException("MapValueUpdate only works for arrays and weighted sets");
            }
        case REMOVE:
            FieldValue fval = ((CollectionDataType) superType).getNestedType().createFieldValue();
            fval.deserialize(this);
            return new RemoveValueUpdate(fval);
        default:
            throw new DeserializationException("Could not deserialize ValueUpdate, unknown valueUpdateClassID type " + vuTypeId);
    }
}