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/*
* AquaVM Workflow Engine
*
* Copyright (C) 2024 Fluence DAO
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use super::ExecutableInstruction;
use super::ExecutionCtx;
use super::ExecutionResult;
use super::TraceHandler;
use crate::execution_step::instructions::fold_stream::stream_execute_helpers::execute_with_stream;
use crate::execution_step::Stream;
use crate::log_instruction;
use air_parser::ast::FoldStreamMap;
impl<'i> ExecutableInstruction<'i> for FoldStreamMap<'i> {
fn execute(&self, exec_ctx: &mut ExecutionCtx<'i>, trace_ctx: &mut TraceHandler) -> ExecutionResult<()> {
log_instruction!(fold, exec_ctx, trace_ctx);
let iterable = &self.iterable;
if exec_ctx.stream_maps.get(iterable.name, iterable.position).is_none() {
// having empty streams means that it haven't been met yet, and it's needed to wait
exec_ctx.make_subgraph_incomplete();
return Ok(());
}
let get_mut_stream: &dyn for<'ctx> Fn(&'ctx mut ExecutionCtx<'_>) -> &'ctx mut Stream =
&|exec_ctx: &mut ExecutionCtx<'_>| -> &mut Stream {
exec_ctx
.stream_maps
.get_mut(iterable.name, iterable.position)
.unwrap()
.get_mut_stream_ref()
};
execute_with_stream(
exec_ctx,
trace_ctx,
get_mut_stream,
self,
self.iterator.name,
self.instruction.clone(),
self.last_instruction.clone(),
)
}
}