Struct semilattice_database::Depend
source · pub struct Depend { /* private fields */ }Implementations§
source§impl Depend
impl Depend
pub fn new(key: impl Into<String>, collection_row: CollectionRow) -> Self
sourcepub fn key(&self) -> &str
pub fn key(&self) -> &str
Examples found in repository?
src/search.rs (line 102)
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fn exec_cond(
collection: &Collection,
relation: &RelationIndex,
condtion: &Condition,
tx: Sender<RowSet>,
) {
match condtion {
Condition::Activity(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Activity(*c),
tx,
);
}
Condition::Term(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Term(c.clone()),
tx,
);
}
Condition::Row(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Row(c.clone()),
tx,
);
}
Condition::Uuid(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Uuid(c.clone()),
tx,
);
}
Condition::LastUpdated(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::LastUpdated(c.clone()),
tx,
);
}
Condition::Field(key, condition) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Field(key.to_owned(), condition.clone()),
tx,
);
}
Condition::Depend(depend) => {
let rel = relation.pends(depend.key(), depend.collection_row());
let collection_id = collection.id();
std::thread::spawn(move || {
let mut tmp = RowSet::default();
for r in rel {
if r.collection_id() == collection_id {
tmp.insert(r.row());
}
}
let tx = tx.clone();
tx.send(tmp).unwrap();
});
}
Condition::Narrow(conditions) => {
let (tx_inner, rx) = std::sync::mpsc::channel();
for c in conditions {
let tx_inner = tx_inner.clone();
Self::exec_cond(collection, relation, c, tx_inner);
}
drop(tx_inner);
std::thread::spawn(move || {
let mut is_1st = true;
let mut tmp = RowSet::default();
for mut rs in rx {
if is_1st {
tmp = rs;
is_1st = false;
} else {
tmp = tmp.intersection(&mut rs).map(|&x| x).collect();
}
}
tx.send(tmp).unwrap();
});
}
Condition::Wide(conditions) => {
let (tx_inner, rx) = std::sync::mpsc::channel();
for c in conditions {
let tx_inner = tx_inner.clone();
Self::exec_cond(collection, relation, c, tx_inner);
}
drop(tx_inner);
std::thread::spawn(move || {
let mut tmp = RowSet::default();
for ref mut rs in rx {
tmp.append(rs);
}
tx.send(tmp).unwrap();
});
}
}
}sourcepub fn collection_row(&self) -> &CollectionRow
pub fn collection_row(&self) -> &CollectionRow
Examples found in repository?
src/search.rs (line 102)
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fn exec_cond(
collection: &Collection,
relation: &RelationIndex,
condtion: &Condition,
tx: Sender<RowSet>,
) {
match condtion {
Condition::Activity(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Activity(*c),
tx,
);
}
Condition::Term(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Term(c.clone()),
tx,
);
}
Condition::Row(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Row(c.clone()),
tx,
);
}
Condition::Uuid(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Uuid(c.clone()),
tx,
);
}
Condition::LastUpdated(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::LastUpdated(c.clone()),
tx,
);
}
Condition::Field(key, condition) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Field(key.to_owned(), condition.clone()),
tx,
);
}
Condition::Depend(depend) => {
let rel = relation.pends(depend.key(), depend.collection_row());
let collection_id = collection.id();
std::thread::spawn(move || {
let mut tmp = RowSet::default();
for r in rel {
if r.collection_id() == collection_id {
tmp.insert(r.row());
}
}
let tx = tx.clone();
tx.send(tmp).unwrap();
});
}
Condition::Narrow(conditions) => {
let (tx_inner, rx) = std::sync::mpsc::channel();
for c in conditions {
let tx_inner = tx_inner.clone();
Self::exec_cond(collection, relation, c, tx_inner);
}
drop(tx_inner);
std::thread::spawn(move || {
let mut is_1st = true;
let mut tmp = RowSet::default();
for mut rs in rx {
if is_1st {
tmp = rs;
is_1st = false;
} else {
tmp = tmp.intersection(&mut rs).map(|&x| x).collect();
}
}
tx.send(tmp).unwrap();
});
}
Condition::Wide(conditions) => {
let (tx_inner, rx) = std::sync::mpsc::channel();
for c in conditions {
let tx_inner = tx_inner.clone();
Self::exec_cond(collection, relation, c, tx_inner);
}
drop(tx_inner);
std::thread::spawn(move || {
let mut tmp = RowSet::default();
for ref mut rs in rx {
tmp.append(rs);
}
tx.send(tmp).unwrap();
});
}
}
}