Trait ArrayVisitor

pub trait ArrayVisitor {
    // Required methods
    fn children(&self) -> Vec<ArrayRef> ;
    fn nchildren(&self) -> usize;
    fn children_names(&self) -> Vec<String>;
    fn named_children(&self) -> Vec<(String, ArrayRef)>;
    fn buffers(&self) -> Vec<ByteBuffer> ;
    fn nbuffers(&self) -> usize;
    fn metadata(&self) -> Option<Vec<u8>>;
    fn metadata_fmt(&self, f: &mut Formatter<'_>) -> Result;
}

Required Methods

fn children(&self) -> Vec<ArrayRef>

Returns the children of the array.

fn nchildren(&self) -> usize

Returns the number of children of the array.

fn children_names(&self) -> Vec<String>

Returns the names of the children of the array.

fn named_children(&self) -> Vec<(String, ArrayRef)>

Returns the array’s children with their names.

fn buffers(&self) -> Vec<ByteBuffer>

Returns the buffers of the array.

fn nbuffers(&self) -> usize

Returns the number of buffers of the array.

fn metadata(&self) -> Option<Vec<u8>>

Returns the serialized metadata of the array.

fn metadata_fmt(&self, f: &mut Formatter<'_>) -> Result

Formats a human-readable metadata description.

Implementations on Foreign Types

impl ArrayVisitor for Arc<dyn Array>

fn children(&self) -> Vec<ArrayRef>

fn nchildren(&self) -> usize

fn children_names(&self) -> Vec<String>

fn named_children(&self) -> Vec<(String, ArrayRef)>

fn buffers(&self) -> Vec<ByteBuffer>

fn nbuffers(&self) -> usize

fn metadata(&self) -> Option<Vec<u8>>

fn metadata_fmt(&self, f: &mut Formatter<'_>) -> Result

Implementors

impl<A: ArrayImpl> ArrayVisitor for A