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-rw-r--r--sca-cpp/trunk/components/constdb/constdb.cpp39
1 files changed, 13 insertions, 26 deletions
diff --git a/sca-cpp/trunk/components/constdb/constdb.cpp b/sca-cpp/trunk/components/constdb/constdb.cpp
index 6d1cb15baf..a9a5bc5817 100644
--- a/sca-cpp/trunk/components/constdb/constdb.cpp
+++ b/sca-cpp/trunk/components/constdb/constdb.cpp
@@ -37,14 +37,14 @@ namespace constdb {
/**
* Get an item from the database.
*/
-const failable<value> get(const list<value>& params, tinycdb::TinyCDB& cdb) {
+const failable<value> get(const list<value>& params, const tinycdb::TinyCDB& cdb) {
return tinycdb::get(car(params), cdb);
}
/**
* Post an item to the database.
*/
-const failable<value> post(const list<value>& params, tinycdb::TinyCDB& cdb) {
+const failable<value> post(const list<value>& params, const tinycdb::TinyCDB& cdb) {
const value id = append<value>(car(params), mklist(mkuuid()));
const failable<bool> val = tinycdb::post(id, cadr(params), cdb);
if (!hasContent(val))
@@ -55,7 +55,7 @@ const failable<value> post(const list<value>& params, tinycdb::TinyCDB& cdb) {
/**
* Put an item into the database.
*/
-const failable<value> put(const list<value>& params, tinycdb::TinyCDB& cdb) {
+const failable<value> put(const list<value>& params, const tinycdb::TinyCDB& cdb) {
const failable<bool> val = tinycdb::put(car(params), cadr(params), cdb);
if (!hasContent(val))
return mkfailure<value>(val);
@@ -65,7 +65,7 @@ const failable<value> put(const list<value>& params, tinycdb::TinyCDB& cdb) {
/**
* Delete an item from the database.
*/
-const failable<value> del(const list<value>& params, tinycdb::TinyCDB& cdb) {
+const failable<value> del(const list<value>& params, const tinycdb::TinyCDB& cdb) {
const failable<bool> val = tinycdb::del(car(params), cdb);
if (!hasContent(val))
return mkfailure<value>(val);
@@ -73,14 +73,15 @@ const failable<value> del(const list<value>& params, tinycdb::TinyCDB& cdb) {
}
/**
- * Component implementation lambda function.
+ * Start the component.
*/
-class applyConstDb {
-public:
- applyConstDb(tinycdb::TinyCDB& cdb) : cdb(cdb) {
- }
+const failable<value> start(unused const list<value>& params) {
+ // Connect to the configured database and table
+ const value dbname = ((lvvlambda)car(params))(nilListValue);
+ const tinycdb::TinyCDB& cdb = *(new (gc_new<tinycdb::TinyCDB>()) tinycdb::TinyCDB(dbname));
- const value operator()(const list<value>& params) const {
+ // Return the component implementation lambda function
+ const lvvlambda applyConstDb = [cdb](const list<value>& params) -> const value {
const value func(car(params));
if (func == "get")
return get(cdr(params), cdb);
@@ -91,22 +92,8 @@ public:
if (func == "delete")
return del(cdr(params), cdb);
return mkfailure<value>();
- }
-
-private:
- tinycdb::TinyCDB& cdb;
-};
-
-/**
- * Start the component.
- */
-const failable<value> start(unused const list<value>& params) {
- // Connect to the configured database and table
- const value dbname = ((lambda<value(const list<value>&)>)car(params))(list<value>());
- tinycdb::TinyCDB& cdb = *(new (gc_new<tinycdb::TinyCDB>()) tinycdb::TinyCDB(dbname));
-
- // Return the component implementation lambda function
- return value(lambda<value(const list<value>&)>(applyConstDb(cdb)));
+ };
+ return value(applyConstDb);
}
}