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use crate::cassandra::data_type::ConstDataType;
use crate::cassandra::iterator::FieldIterator;
use crate::cassandra::schema::function_meta::FunctionMeta;
use crate::cassandra::util::Protected;
use crate::cassandra::value::Value;
use crate::cassandra_sys::cass_aggregate_meta_argument_count;
use crate::cassandra_sys::cass_aggregate_meta_argument_type;
use crate::cassandra_sys::cass_aggregate_meta_field_by_name;
use crate::cassandra_sys::cass_aggregate_meta_final_func;
use crate::cassandra_sys::cass_aggregate_meta_full_name;
use crate::cassandra_sys::cass_aggregate_meta_init_cond;
use crate::cassandra_sys::cass_aggregate_meta_name;
use crate::cassandra_sys::cass_aggregate_meta_return_type;
use crate::cassandra_sys::cass_aggregate_meta_state_func;
use crate::cassandra_sys::cass_aggregate_meta_state_type;
use crate::cassandra_sys::cass_iterator_fields_from_aggregate_meta;
use crate::cassandra_sys::raw2utf8;
use crate::cassandra_sys::CassAggregateMeta as _CassAggregateMeta;
use std::ffi::CString;
use std::mem;
#[derive(Debug)]
pub struct AggregateMeta(*const _CassAggregateMeta);
impl Protected<*const _CassAggregateMeta> for AggregateMeta {
fn inner(&self) -> *const _CassAggregateMeta {
self.0
}
fn build(inner: *const _CassAggregateMeta) -> Self {
if inner.is_null() {
panic!("Unexpected null pointer")
};
AggregateMeta(inner)
}
}
impl AggregateMeta {
pub fn fields_iter(&self) -> FieldIterator {
unsafe { FieldIterator::build(cass_iterator_fields_from_aggregate_meta(self.0)) }
}
pub fn get_name(&self) -> String {
unsafe {
let mut name = mem::zeroed();
let mut name_length = mem::zeroed();
cass_aggregate_meta_name(self.0, &mut name, &mut name_length);
raw2utf8(name, name_length).expect("must be utf8")
}
}
pub fn full_name(&self) -> String {
unsafe {
let mut name = mem::zeroed();
let mut name_length = mem::zeroed();
cass_aggregate_meta_full_name(self.0, &mut name, &mut name_length);
raw2utf8(name, name_length).expect("must be utf8")
}
}
pub fn argument_count(&self) -> usize {
unsafe { cass_aggregate_meta_argument_count(self.0) }
}
pub fn argument_type(&self, index: usize) -> ConstDataType {
unsafe { ConstDataType::build(cass_aggregate_meta_argument_type(self.0, index)) }
}
pub fn return_type(&self) -> ConstDataType {
unsafe { ConstDataType::build(cass_aggregate_meta_return_type(self.0)) }
}
pub fn state_type(&self) -> ConstDataType {
unsafe { ConstDataType::build(cass_aggregate_meta_state_type(self.0)) }
}
pub fn state_func(&self) -> FunctionMeta {
unsafe { FunctionMeta::build(cass_aggregate_meta_state_func(self.0)) }
}
pub fn final_func(&self) -> FunctionMeta {
unsafe { FunctionMeta::build(cass_aggregate_meta_final_func(self.0)) }
}
pub fn init_cond(&self) -> Value {
unsafe { Value::build(cass_aggregate_meta_init_cond(self.0)) }
}
pub fn field_by_name(&self, name: &str) -> Option<Value> {
unsafe {
let name_cstr = CString::new(name).expect("must be utf8");
let agg = cass_aggregate_meta_field_by_name(self.0, name_cstr.as_ptr());
if agg.is_null() {
None
} else {
Some(Value::build(agg))
}
}
}
}