1 files changed, 0 insertions, 79 deletions
diff --git a/src/primary_memtable.rs b/src/primary_memtable.rs
deleted file mode 100644
index 0c94ceb..0000000
--- a/src/primary_memtable.rs
+++ /dev/null
@@ -1,79 +0,0 @@
-use super::common::*;
-use priority_queue::PriorityQueue;
-use std::collections::BTreeMap;
-
-pub struct PrimaryMemtable {
-    capacity: usize,
-    /// Running counter of memtable operations, used as priority
-    /// in evict_queue.
-    n_operations: u64,
-    records: BTreeMap<IndexableValue, Record>,
-    /// A max heap priority queue of keys. Note: n_operations must
-    /// be negated upon append to evict oldest values first.
-    evict_queue: PriorityQueue<IndexableValue, i64>,
-    evict_policy: MemtableEvictPolicy,
-}
-
-impl PrimaryMemtable {
-    pub fn new(capacity: usize, evict_policy: MemtableEvictPolicy) -> PrimaryMemtable {
-        PrimaryMemtable {
-            capacity,
-            n_operations: 0,
-            records: BTreeMap::new(),
-            evict_queue: PriorityQueue::new(),
-            evict_policy,
-        }
-    }
-
-    pub fn set(&mut self, key: &IndexableValue, value: &Record) {
-        if self.capacity == 0 {
-            return;
-        }
-
-        debug!(
-            "Inserting/updating record in primary memtable with key {:?} = {:?}",
-            &key, &value,
-        );
-
-        if self.records.len() >= self.capacity {
-            let (evict_key, _prio) = self.evict_queue.pop().expect("Evict queue was empty");
-            self.records.remove(&evict_key);
-        }
-
-        self.records.insert(key.clone(), value.clone());
-
-        if self.evict_policy == MemtableEvictPolicy::LeastWritten
-            || self.evict_policy == MemtableEvictPolicy::LeastReadOrWritten
-        {
-            self.set_priority(&key);
-        }
-    }
-
-    pub fn get(&mut self, key: &IndexableValue) -> Option<&Record> {
-        if self.evict_policy == MemtableEvictPolicy::LeastRead
-            || self.evict_policy == MemtableEvictPolicy::LeastReadOrWritten
-        {
-            self.set_priority(&key);
-        }
-
-        self.records.get(key)
-    }
-
-    fn set_priority(&mut self, key: &IndexableValue) {
-        let priority = self.get_and_increment_current_priority();
-        match self.evict_queue.get(key) {
-            Some(_) => {
-                self.evict_queue.change_priority(key, priority);
-            }
-            None => {
-                self.evict_queue.push(key.clone(), priority);
-            }
-        }
-    }
-
-    fn get_and_increment_current_priority(&mut self) -> i64 {
-        let ret = -(self.n_operations as i64);
-        self.n_operations += 1;
-        ret
-    }
-}