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// Copyright 2026 Nowledge
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Execution-report observer contract for host integration.
use crate::BlockingOperatorMemoryReport;
use hawdb_storage::scan::ScanPruningReport;
mod profile;
mod query;
mod report_value;
#[doc(hidden)]
pub use report_value::{
blocking_operator_memory_report_value, graph_expansion_report_value,
pipeline_memory_report_value, scan_pruning_report_value, vector_execution_report_value,
};
#[doc(hidden)]
pub use profile::{read_execution_profile, ExecutionProfileBuilder};
// Internal collection remains separate from the embedded host's public reports.
#[doc(hidden)]
pub use query::{blocking_operator_kinds, QueryExecutionObserver, QueryExecutionReports};
pub trait ExecutionObserver {
fn record_scan_pruning_report(&self, _report: ScanPruningReport) {}
fn record_blocking_memory_report(&self, _report: BlockingOperatorMemoryReport) {}
}
#[derive(Debug, Default, Clone, Copy)]
pub struct NoopExecutionObserver;
impl ExecutionObserver for NoopExecutionObserver {}