Rewrite pre-hook execution

This commit is contained in:
Matthias Beyer 2016-04-18 17:25:19 +02:00
parent eb80714402
commit 6c7d6c29ea

View file

@ -28,10 +28,13 @@ use storeid::{IntoStoreId, StoreId, StoreIdIterator};
use lazyfile::LazyFile;
use hook::aspect::Aspect;
use hook::error::HookErrorKind;
use hook::result::HookResult;
use hook::accessor::{ MutableHookDataAccessor,
StoreIdAccessor};
use hook::position::HookPosition;
use hook::Hook;
use libimagerror::trace::trace_error;
use libimagerror::into::IntoError;
@ -301,7 +304,13 @@ impl Store {
pub fn create<'a, S: IntoStoreId>(&'a self, id: S) -> Result<FileLockEntry<'a>> {
let id = self.storify_id(id.into_storeid());
if let Err(e) = self.execute_hooks_for_id(self.pre_create_aspects.clone(), &id) {
return Err(e);
if e.is_aborting() {
return Err(e)
.map_err(Box::new)
.map_err(|e| SEK::PreHookExecuteError.into_error_with_cause(e))
} else {
trace_error(&e);
}
}
let mut hsmap = match self.entries.write() {
@ -332,7 +341,13 @@ impl Store {
pub fn retrieve<'a, S: IntoStoreId>(&'a self, id: S) -> Result<FileLockEntry<'a>> {
let id = self.storify_id(id.into_storeid());
if let Err(e) = self.execute_hooks_for_id(self.pre_retrieve_aspects.clone(), &id) {
return Err(e);
if e.is_aborting() {
return Err(e)
.map_err(Box::new)
.map_err(|e| SEK::PreHookExecuteError.into_error_with_cause(e))
} else {
trace_error(&e);
}
}
self.entries
@ -426,7 +441,13 @@ impl Store {
/// Return the `FileLockEntry` and write to disk
pub fn update<'a>(&'a self, mut entry: FileLockEntry<'a>) -> Result<()> {
if let Err(e) = self.execute_hooks_for_mut_file(self.pre_update_aspects.clone(), &mut entry) {
return Err(e);
if e.is_aborting() {
return Err(e)
.map_err(Box::new)
.map_err(|e| SEK::PreHookExecuteError.into_error_with_cause(e))
} else {
trace_error(&e);
}
}
if let Err(e) = self._update(&entry) {
@ -434,6 +455,7 @@ impl Store {
}
self.execute_hooks_for_mut_file(self.post_update_aspects.clone(), &mut entry)
.map_err(|e| SE::new(SEK::PreHookExecuteError, Some(Box::new(e))))
}
/// Internal method to write to the filesystem store.
@ -482,7 +504,13 @@ impl Store {
pub fn delete<S: IntoStoreId>(&self, id: S) -> Result<()> {
let id = self.storify_id(id.into_storeid());
if let Err(e) = self.execute_hooks_for_id(self.pre_delete_aspects.clone(), &id) {
return Err(e);
if e.is_aborting() {
return Err(e).map_err(|e| {
SE::new(SEK::PreHookExecuteError, Some(Box::new(e)))
})
} else {
trace_error(&e);
}
}
let mut entries = match self.entries.write() {
@ -502,6 +530,7 @@ impl Store {
}
self.execute_hooks_for_id(self.post_delete_aspects.clone(), &id)
.map_err(|e| SE::new(SEK::PreHookExecuteError, Some(Box::new(e))))
}
/// Gets the path where this store is on the disk
@ -566,29 +595,29 @@ impl Store {
fn execute_hooks_for_id(&self,
aspects: Arc<Mutex<Vec<Aspect>>>,
id: &StoreId)
-> Result<()>
-> HookResult<()>
{
match aspects.lock() {
Err(_) => return Err(SE::new(SEK::PreHookExecuteError, None)),
Err(_) => return Err(HookErrorKind::HookExecutionError.into()),
Ok(g) => g
}.iter().fold(Ok(()), |acc, aspect| {
debug!("[Aspect][exec]: {:?}", aspect);
acc.and_then(|_| (aspect as &StoreIdAccessor).access(id))
}).map_err(|e| SE::new(SEK::PreHookExecuteError, Some(Box::new(e))))
}).map_err(Box::new).map_err(|e| HookErrorKind::HookExecutionError.into_error_with_cause(e))
}
fn execute_hooks_for_mut_file(&self,
aspects: Arc<Mutex<Vec<Aspect>>>,
fle: &mut FileLockEntry)
-> Result<()>
-> HookResult<()>
{
match aspects.lock() {
Err(_) => return Err(SE::new(SEK::PreHookExecuteError, None)),
Err(_) => return Err(HookErrorKind::HookExecutionError.into()),
Ok(g) => g
}.iter().fold(Ok(()), |acc, aspect| {
debug!("[Aspect][exec]: {:?}", aspect);
acc.and_then(|_| aspect.access_mut(fle))
}).map_err(|e| SE::new(SEK::PreHookExecuteError, Some(Box::new(e))))
}).map_err(Box::new).map_err(|e| HookErrorKind::HookExecutionError.into_error_with_cause(e))
}
}