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/*******************************************************************************
*
* Copyright (c) 2025 - 2026 Haixing Hu.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0.
*
******************************************************************************/
//! Convenience builder state for [`super::DoubleCheckedLock`].
use qubit_function::Tester;
use super::{
DoubleCheckedLockReadyBuilder,
executor_lock_builder::ExecutorLockBuilder,
};
use qubit_lock::Lock;
/// Convenience builder state with lock attached.
#[derive(Clone)]
pub struct DoubleCheckedLockBuilder<L, T> {
/// Reusable-executor builder delegated to by the convenience API.
pub(in crate::double_checked) inner: ExecutorLockBuilder<L, T>,
}
impl<L, T> DoubleCheckedLockBuilder<L, T>
where
L: Lock<T>,
{
/// Configures logging when the double-checked condition is not met.
///
/// # Parameters
///
/// * `level` - Log level used for unmet-condition messages.
/// * `message` - Full log message emitted when the condition is not met.
///
/// # Returns
///
/// This builder with unmet-condition logging configured.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn log_unmet_condition(mut self, level: log::Level, message: impl Into<String>) -> Self {
self.inner = self.inner.log_unmet_condition(level, message);
self
}
/// Disables logging when the double-checked condition is not met.
///
/// # Returns
///
/// This builder with unmet-condition logging disabled.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn disable_unmet_condition_logging(mut self) -> Self {
self.inner = self.inner.disable_unmet_condition_logging();
self
}
/// Configures logging when the prepare action fails.
///
/// # Parameters
///
/// * `level` - Log level used for prepare failure messages.
/// * `message_prefix` - Prefix placed before the prepare failure text.
///
/// # Returns
///
/// This builder with prepare failure logging configured.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn log_prepare_failure(mut self, level: log::Level, message_prefix: impl Into<String>) -> Self {
self.inner = self.inner.log_prepare_failure(level, message_prefix);
self
}
/// Disables logging when the prepare action fails.
///
/// # Returns
///
/// This builder with prepare failure logging disabled.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn disable_prepare_failure_logging(mut self) -> Self {
self.inner = self.inner.disable_prepare_failure_logging();
self
}
/// Configures logging when the prepare commit action fails.
///
/// # Parameters
///
/// * `level` - Log level used for prepare-commit failure messages.
/// * `message_prefix` - Prefix placed before the prepare-commit failure
/// text.
///
/// # Returns
///
/// This builder with prepare-commit failure logging configured.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn log_prepare_commit_failure(mut self, level: log::Level, message_prefix: impl Into<String>) -> Self {
self.inner = self.inner.log_prepare_commit_failure(level, message_prefix);
self
}
/// Disables logging when the prepare commit action fails.
///
/// # Returns
///
/// This builder with prepare-commit failure logging disabled.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn disable_prepare_commit_failure_logging(mut self) -> Self {
self.inner = self.inner.disable_prepare_commit_failure_logging();
self
}
/// Configures logging when the prepare rollback action fails.
///
/// # Parameters
///
/// * `level` - Log level used for prepare-rollback failure messages.
/// * `message_prefix` - Prefix placed before the prepare-rollback failure
/// text.
///
/// # Returns
///
/// This builder with prepare-rollback failure logging configured.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn log_prepare_rollback_failure(mut self, level: log::Level, message_prefix: impl Into<String>) -> Self {
self.inner = self.inner.log_prepare_rollback_failure(level, message_prefix);
self
}
/// Disables logging when the prepare rollback action fails.
///
/// # Returns
///
/// This builder with prepare-rollback failure logging disabled.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn disable_prepare_rollback_failure_logging(mut self) -> Self {
self.inner = self.inner.disable_prepare_rollback_failure_logging();
self
}
/// Enables panic capture for tester, prepare callbacks, and task execution.
///
/// # Returns
///
/// This builder with panic capture enabled.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn catch_panics(mut self) -> Self {
self.inner = self.inner.catch_panics();
self
}
/// Derives a builder with panic capture enabled or disabled for tester,
/// prepare callbacks, and task execution.
///
/// # Parameters
///
/// * `catch_panics` - `true` to capture panics as execution errors, or
/// `false` to let panics unwind.
///
/// # Returns
///
/// A reconfigured builder with the updated panic-capture setting.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn with_panic_capture(mut self, catch_panics: bool) -> Self {
self.inner = self.inner.with_panic_capture(catch_panics);
self
}
/// Disables panic capture for tester, prepare callbacks, and task execution.
///
/// # Returns
///
/// This builder with panic capture disabled.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn disable_catch_panics(mut self) -> Self {
self.inner = self.inner.disable_catch_panics();
self
}
/// Sets the required double-checked condition.
///
/// # Parameters
///
/// * `tester` - Condition tester executed before and after acquiring the
/// lock.
///
/// # Returns
///
/// A ready builder that can configure prepare callbacks or run the task.
#[inline]
#[must_use = "assign or chain the returned builder"]
pub fn when<Tst>(self, tester: Tst) -> DoubleCheckedLockReadyBuilder<L, T>
where
Tst: Tester + Send + Sync + 'static,
{
DoubleCheckedLockReadyBuilder {
inner: self.inner.when(tester),
}
}
}