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Vincent Bechu
jio
Commits
b9ed2084
Commit
b9ed2084
authored
Apr 18, 2014
by
Tristan Cavelier
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query sort, limit, select now done in workers
parent
cd5cf1e5
Changes
2
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2 changed files
with
64 additions
and
50 deletions
+64
-50
src/queries/core/query.js
src/queries/core/query.js
+47
-23
src/queries/core/tool.js
src/queries/core/tool.js
+17
-27
No files found.
src/queries/core/query.js
View file @
b9ed2084
/*jslint indent: 2, maxlen: 80, sloppy: true, nomen: true */
/*jslint indent: 2, maxlen: 80, sloppy: true, nomen: true */
/*global parseStringToObject: true, emptyFunction: true, sortOn: true, limit:
/*global parseStringToObject: true, emptyFunction: true, sortOn: true, limit:
true, select: true, exports, stringEscapeRegexpCharacters: true,
true, select: true, exports, stringEscapeRegexpCharacters: true,
deepClone, RSVP, sequence */
deepClone, RSVP, sequence, background, jIO, metadataValueToStringArray,
sortFunction */
/**
/**
* The query to use to filter a list of objects.
* The query to use to filter a list of objects.
...
@@ -63,6 +64,39 @@ function Query() {
...
@@ -63,6 +64,39 @@ function Query() {
* second is the length.
* second is the length.
*/
*/
Query
.
prototype
.
exec
=
function
(
item_list
,
option
)
{
Query
.
prototype
.
exec
=
function
(
item_list
,
option
)
{
if
(
!
background
.
removeUnmatchedSortLimitAndSelect
)
{
background
.
removeUnmatchedSortLimitAndSelect
=
function
(
event
)
{
var
j
,
task
=
event
.
data
.
option
,
array
=
event
.
data
.
item_list
;
// remove unmatched documents
if
(
task
.
match_list
)
{
for
(
j
=
task
.
match_list
.
length
-
1
;
j
>=
0
;
j
-=
1
)
{
if
(
!
task
.
match_list
[
j
])
{
array
.
splice
(
j
,
1
);
}
}
}
// sort documents
if
(
task
.
sort_on
)
{
sortOn
(
task
.
sort_on
,
array
);
}
// limit documents
if
(
task
.
limit
)
{
limit
(
task
.
limit
,
array
);
}
// select values
select
(
task
.
select_list
||
[],
array
);
/*global resolve */
resolve
(
array
);
};
background
.
removeUnmatchedSortLimitAndSelect
=
jIO
.
util
.
worker
(
metadataValueToStringArray
.
toString
()
+
sortFunction
.
toString
()
+
sortOn
.
toString
()
+
limit
.
toString
()
+
select
.
toString
()
+
"
onmessage =
"
+
background
.
removeUnmatchedSortLimitAndSelect
.
toString
()
);
}
var
i
,
promises
=
[];
var
i
,
promises
=
[];
if
(
!
Array
.
isArray
(
item_list
))
{
if
(
!
Array
.
isArray
(
item_list
))
{
throw
new
TypeError
(
"
Query().exec(): Argument 1 is not of type 'array'
"
);
throw
new
TypeError
(
"
Query().exec(): Argument 1 is not of type 'array'
"
);
...
@@ -84,28 +118,18 @@ Query.prototype.exec = function (item_list, option) {
...
@@ -84,28 +118,18 @@ Query.prototype.exec = function (item_list, option) {
return
sequence
([
function
()
{
return
sequence
([
function
()
{
return
RSVP
.
all
(
promises
);
return
RSVP
.
all
(
promises
);
},
function
(
answers
)
{
},
function
(
answers
)
{
var
j
;
option
=
{
for
(
j
=
answers
.
length
-
1
;
j
>=
0
;
j
-=
1
)
{
"
match_list
"
:
answers
,
if
(
!
answers
[
j
])
{
"
limit
"
:
option
.
limit
,
item_list
.
splice
(
j
,
1
);
"
sort_on
"
:
option
.
sort_on
,
}
"
select_list
"
:
option
.
select_list
}
};
if
(
option
.
sort_on
)
{
var
tmp
=
background
.
removeUnmatchedSortLimitAndSelect
({
j
=
sortOn
(
option
.
sort_on
,
item_list
);
"
item_list
"
:
item_list
,
// sortOn clones the list, to avoid to get it twice, free memory
"
option
"
:
option
item_list
=
undefined
;
});
return
j
;
item_list
=
undefined
;
// free memory
}
return
tmp
;
return
item_list
;
},
function
(
list
)
{
item_list
=
list
;
if
(
option
.
limit
)
{
return
limit
(
option
.
limit
,
item_list
);
}
},
function
()
{
return
select
(
option
.
select_list
||
[],
item_list
);
},
function
()
{
return
item_list
;
}]);
}]);
};
};
...
...
src/queries/core/tool.js
View file @
b9ed2084
/*jslint indent: 2, maxlen: 80, sloppy: true, nomen: true */
/*jslint indent: 2, maxlen: 80, sloppy: true, nomen: true */
/*global Query, RSVP, deepClone
, background, jIO
*/
/*global Query, RSVP, deepClone */
/**
/**
* Escapes regexp special chars from a string.
* Escapes regexp special chars from a string.
...
@@ -173,41 +173,31 @@ function select(select_option, list, clone) {
...
@@ -173,41 +173,31 @@ function select(select_option, list, clone) {
Query
.
select
=
select
;
Query
.
select
=
select
;
/**
/**
* Sort a list of items, according to keys and directions.
This function acts on
* Sort a list of items, according to keys and directions.
If `clone` is true,
* a cloned list.
*
then the method will act on
a cloned list.
*
*
* @param {Array} sort_on_option List of couples [key, direction]
* @param {Array} sort_on_option List of couples [key, direction]
* @param {Array} list The item list to sort
* @param {Array} list The item list to sort
* @param {Boolean} [clone=false] If true, modifies a clone of the list
* @return {Array} The filtered list
* @return {Array} The filtered list
*/
*/
function
sortOn
(
sort_on_option
,
list
)
{
function
sortOn
(
sort_on_option
,
list
,
clone
)
{
if
(
!
background
.
sortOn
)
{
var
sort_index
;
background
.
sortOn
=
function
(
event
)
{
var
sort_index
,
option
=
event
.
data
.
option
,
array
=
event
.
data
.
array
;
for
(
sort_index
=
option
.
length
-
1
;
sort_index
>=
0
;
sort_index
-=
1
)
{
array
.
sort
(
sortFunction
(
option
[
sort_index
][
0
],
option
[
sort_index
][
1
]
));
}
/*global resolve*/
resolve
(
array
);
};
background
.
sortOn
=
jIO
.
util
.
worker
(
metadataValueToStringArray
.
toString
()
+
sortFunction
.
toString
()
+
"
onmessage =
"
+
background
.
sortOn
.
toString
()
);
}
if
(
!
Array
.
isArray
(
sort_on_option
))
{
if
(
!
Array
.
isArray
(
sort_on_option
))
{
throw
new
TypeError
(
"
jioquery.sortOn():
"
+
throw
new
TypeError
(
"
jioquery.sortOn():
"
+
"
Argument 1 is not of type 'array'
"
);
"
Argument 1 is not of type 'array'
"
);
}
}
return
background
.
sortOn
({
if
(
clone
)
{
"
option
"
:
sort_on_option
,
list
=
deepClone
(
list
);
"
array
"
:
list
}
});
for
(
sort_index
=
sort_on_option
.
length
-
1
;
sort_index
>=
0
;
sort_index
-=
1
)
{
list
.
sort
(
sortFunction
(
sort_on_option
[
sort_index
][
0
],
sort_on_option
[
sort_index
][
1
]
));
}
return
list
;
}
}
Query
.
sortOn
=
sortOn
;
Query
.
sortOn
=
sortOn
;
...
...
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