1

src/lib.rs

@@ -8,5 +8,7 @@ mod tests {
 }
 
 mod xvalue;
+mod metamgr;
 
 pub use xvalue::XValue;
+pub use metamgr::MetaMgr;

src/metamgr.rs

@@ -0,0 +1,52 @@
+use std::rc::Rc;
+use std::collections::HashMap;
+
+struct MetaClass<T> {
+    file_name: String,
+    idx: i32,
+    prim_key: String,
+    sec_key: String,
+    wrap_list: Vec<Rc<T>>,
+    wrap_id_hash: HashMap<i64, Rc<T>>,
+    wrap_name_hash: HashMap<String, Rc<T>>
+}
+
+pub struct MetaMgr<T> {
+    meta_classes: Vec<MetaClass::<T>>,
+}
+
+impl<T> MetaMgr<T> {
+
+    pub fn new() -> Self {
+        return MetaMgr::<T>{
+            meta_classes: Vec::new()
+        };
+    }
+
+    pub fn init(&mut self) {
+
+    }
+
+    pub fn un_init(&mut self) {
+
+    }
+
+    pub fn get_byid(&mut self, idx: i32, id: i64) -> Option<&Rc<T>> {
+        return self.internal_get_byid(idx as usize, id);
+    }
+
+    pub fn internal_get_byid(&mut self, idx: usize, id: i64) -> Option<&Rc<T>> {
+        if idx >= 0 && idx <= self.meta_classes.len() {
+            match self.meta_classes[idx].wrap_id_hash.get(&id) {
+                Some(v) => {
+                    return Some(v);
+                }
+                None => {
+
+                }
+            }
+        }
+        return None;
+    }
+
+}