1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120

#![warn(missing_docs)]
//! Contains Query Frame related functionality.
use crate::consistency::Consistency;
use crate::frame::*;
use crate::query::{Query, QueryFlags, QueryParams, QueryValues};
use crate::types::*;

/// Structure which represents body of Query request
#[derive(Debug)]
pub struct BodyReqQuery {
    /// Query string.
    pub query: CStringLong,
    /// Query parameters.
    pub query_params: QueryParams,
}

impl BodyReqQuery {
    // Fabric function that produces Query request body.
    fn new(
        query: String,
        consistency: Consistency,
        values: Option<QueryValues>,
        with_names: Option<bool>,
        page_size: Option<i32>,
        paging_state: Option<CBytes>,
        serial_consistency: Option<Consistency>,
        timestamp: Option<i64>,
    ) -> BodyReqQuery {
        // query flags
        let mut flags: Vec<QueryFlags> = vec![];
        if values.is_some() {
            flags.push(QueryFlags::Value);
        }
        if with_names.unwrap_or(false) {
            flags.push(QueryFlags::WithNamesForValues);
        }
        if page_size.is_some() {
            flags.push(QueryFlags::PageSize);
        }
        if paging_state.is_some() {
            flags.push(QueryFlags::WithPagingState);
        }
        if serial_consistency.is_some() {
            flags.push(QueryFlags::WithSerialConsistency);
        }
        if timestamp.is_some() {
            flags.push(QueryFlags::WithDefaultTimestamp);
        }

        BodyReqQuery {
            query: CStringLong::new(query),
            query_params: QueryParams {
                consistency,
                flags,
                with_names,
                values,
                page_size,
                paging_state,
                serial_consistency,
                timestamp,
            },
        }
    }
}

impl IntoBytes for BodyReqQuery {
    fn into_cbytes(&self) -> Vec<u8> {
        let mut v: Vec<u8> = vec![];
        v.extend_from_slice(self.query.clone().into_cbytes().as_slice());
        v.extend_from_slice(self.query_params.into_cbytes().as_slice());
        v
    }
}

// Frame implementation related to BodyReqStartup

impl Frame {
    /// **Note:** This function should be used internally for building query request frames.
    pub fn new_req_query(
        query: String,
        consistency: Consistency,
        values: Option<QueryValues>,
        with_names: Option<bool>,
        page_size: Option<i32>,
        paging_state: Option<CBytes>,
        serial_consistency: Option<Consistency>,
        timestamp: Option<i64>,
        flags: Vec<Flag>,
    ) -> Frame {
        let version = Version::Request;
        let opcode = Opcode::Query;
        let body = BodyReqQuery::new(
            query,
            consistency,
            values,
            with_names,
            page_size,
            paging_state,
            serial_consistency,
            timestamp,
        );

        Frame::new(version, flags, opcode, body.into_cbytes(), None, vec![])
    }

    /// **Note:** This function should be used internally for building query request frames.
    pub fn new_query(query: Query, flags: Vec<Flag>) -> Frame {
        Frame::new_req_query(
            query.query,
            query.params.consistency,
            query.params.values,
            query.params.with_names,
            query.params.page_size,
            query.params.paging_state,
            query.params.serial_consistency,
            query.params.timestamp,
            flags,
        )
    }
}