Struct semilattice_database::Pend
source · pub struct Pend { /* private fields */ }Implementations§
source§impl Pend
impl Pend
pub fn new(key: impl Into<String>, records: Vec<Record>) -> Pend
sourcepub fn key(&self) -> &str
pub fn key(&self) -> &str
Examples found in repository?
src/update.rs (line 162)
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pub(super) fn update_recursive(
master_database: &Database,
session_data: &mut SessionData,
temporary_data: &mut TemporaryData,
session_dir: &str,
sequence_number: usize,
records: &Vec<Record>,
depend_by_pend: Option<(&str, u32)>,
) -> Result<(), std::io::Error> {
for record in records {
if let Ok(session_row) = session_data.sequence.insert(sequence_number) {
session_data.row.resize_to(session_row)?;
session_data.operation.resize_to(session_row)?;
session_data.activity.resize_to(session_row)?;
session_data.term_begin.resize_to(session_row)?;
session_data.term_end.resize_to(session_row)?;
match record {
Record::New {
collection_id,
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let virtual_row = -(session_row as i64);
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let mut tmp_fields = HashMap::new();
for kv in fields {
tmp_fields.insert(kv.key().to_string(), kv.value().to_vec());
}
col.insert(
virtual_row,
TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: tmp_fields,
},
);
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::New)?;
update_row(
session_dir,
session_data,
session_row,
0,
activity,
term_begin,
term_end,
fields,
);
if let Depends::Overwrite(depends) = depends {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Update {
collection_id,
row, //-の場合はセッション新規データの更新
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let row = *row;
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let entity = col.entry(row).or_insert(TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: HashMap::new(),
});
for kv in fields {
entity.fields.insert(kv.key().into(), kv.value().into());
}
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::Update)?;
update_row(
session_dir,
session_data,
session_row,
row,
activity,
term_begin,
term_end,
fields,
);
match depends {
Depends::Default => {
if row > 0 {
let depends =
master_database.relation().index_pend().select_by_value(
&CollectionRow::new(collection_id, row as u32),
);
for i in depends {
if let Some(depend) =
master_database.relation().depend(i as u32)
{
session_data.relation.insert(
unsafe { master_database.relation().key(i as u32) },
session_row,
SessionCollectionRow::new(
depend.collection_id(),
depend.row() as i64,
),
);
}
}
} else {
session_data
.relation
.from_session_row((-row) as u32, session_row);
}
}
Depends::Overwrite(depends) => {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Delete { collection_id, row } => {
session_data
.collection_id
.update(session_row, *collection_id)?;
session_data.row.update(session_row, *row as i64)?;
session_data
.operation
.update(session_row, SessionOperation::Delete)?;
}
}
}
}
Ok(())
}sourcepub fn records(&self) -> &Vec<Record>
pub fn records(&self) -> &Vec<Record>
Examples found in repository?
src/update.rs (line 161)
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pub(super) fn update_recursive(
master_database: &Database,
session_data: &mut SessionData,
temporary_data: &mut TemporaryData,
session_dir: &str,
sequence_number: usize,
records: &Vec<Record>,
depend_by_pend: Option<(&str, u32)>,
) -> Result<(), std::io::Error> {
for record in records {
if let Ok(session_row) = session_data.sequence.insert(sequence_number) {
session_data.row.resize_to(session_row)?;
session_data.operation.resize_to(session_row)?;
session_data.activity.resize_to(session_row)?;
session_data.term_begin.resize_to(session_row)?;
session_data.term_end.resize_to(session_row)?;
match record {
Record::New {
collection_id,
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let virtual_row = -(session_row as i64);
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let mut tmp_fields = HashMap::new();
for kv in fields {
tmp_fields.insert(kv.key().to_string(), kv.value().to_vec());
}
col.insert(
virtual_row,
TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: tmp_fields,
},
);
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::New)?;
update_row(
session_dir,
session_data,
session_row,
0,
activity,
term_begin,
term_end,
fields,
);
if let Depends::Overwrite(depends) = depends {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Update {
collection_id,
row, //-の場合はセッション新規データの更新
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let row = *row;
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let entity = col.entry(row).or_insert(TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: HashMap::new(),
});
for kv in fields {
entity.fields.insert(kv.key().into(), kv.value().into());
}
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::Update)?;
update_row(
session_dir,
session_data,
session_row,
row,
activity,
term_begin,
term_end,
fields,
);
match depends {
Depends::Default => {
if row > 0 {
let depends =
master_database.relation().index_pend().select_by_value(
&CollectionRow::new(collection_id, row as u32),
);
for i in depends {
if let Some(depend) =
master_database.relation().depend(i as u32)
{
session_data.relation.insert(
unsafe { master_database.relation().key(i as u32) },
session_row,
SessionCollectionRow::new(
depend.collection_id(),
depend.row() as i64,
),
);
}
}
} else {
session_data
.relation
.from_session_row((-row) as u32, session_row);
}
}
Depends::Overwrite(depends) => {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Delete { collection_id, row } => {
session_data
.collection_id
.update(session_row, *collection_id)?;
session_data.row.update(session_row, *row as i64)?;
session_data
.operation
.update(session_row, SessionOperation::Delete)?;
}
}
}
}
Ok(())
}