@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        if (!super.equals(o)) return false;
        TensorAddUpdate that = (TensorAddUpdate) o;
        return tensor.equals(that.tensor);
    }
An update used to add cells to a sparse or mixed tensor (has at least one mapped dimension).
document/src/main/java/com/yahoo/document/update/TensorAddUpdate.java