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Unified Diff: third_party/pkg/angular/lib/core/cache.dart

Issue 1058283006: Update pubspecs and dependencies to get pkgbuild tests working. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 5 years, 8 months ago
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Index: third_party/pkg/angular/lib/core/cache.dart
diff --git a/third_party/pkg/angular/lib/core/cache.dart b/third_party/pkg/angular/lib/core/cache.dart
deleted file mode 100644
index 588a57567fee2bab5e6af7e3b3367eb21f9ac416..0000000000000000000000000000000000000000
--- a/third_party/pkg/angular/lib/core/cache.dart
+++ /dev/null
@@ -1,121 +0,0 @@
-part of angular.core;
-
-class CacheStats {
- final int capacity;
- final int size;
- final int hits;
- final int misses;
- CacheStats(this.capacity, this.size, this.hits, this.misses);
- String toString() =>
- "[CacheStats: capacity: $capacity, size: $size, hits: $hits, misses: $misses]";
-}
-
-
-/**
- * The Cache interface.
- */
-abstract class Cache<K, V> {
- /**
- * Returns the value for `key` from the cache. If `key` is not in the cache,
- * returns `null`.
- */
- V get(K key);
- /**
- * Inserts/Updates the `key` in the cache with `value` and returns the value.
- */
- V put(K key, V value);
- /**
- * Removes `key` from the cache. If `key` isn't present in the cache, does
- * nothing.
- */
- V remove(K key);
- /**
- * Removes all entries from the cache.
- */
- void removeAll();
- int get capacity;
- int get size;
- CacheStats stats();
-}
-
-
-/**
- * An unbounded cache.
- */
-class UnboundedCache<K, V> implements Cache<K, V> {
- Map<K, V> _entries = <K, V>{};
- int _hits = 0;
- int _misses = 0;
-
- V get(K key) {
- V value = _entries[key];
- if (value != null || _entries.containsKey(key)) {
- ++_hits;
- } else {
- ++_misses;
- }
- return value;
- }
- V put(K key, V value) => _entries[key] = value;
- V remove(K key) => _entries.remove(key);
- void removeAll() => _entries.clear();
- int get capacity => 0;
- int get size => _entries.length;
- CacheStats stats() => new CacheStats(capacity, size, _hits, _misses);
- // Debugging helper.
- String toString() => "[$runtimeType: size=${_entries.length}, items=$_entries]";
-}
-
-
-/**
- * Simple LRU cache.
- *
- * TODO(chirayu):
- * - add docs
- * - add tests
- * - should stringify keys?
- */
-class LruCache<K, V> extends Cache<K, V> {
- Map<K, V> _entries = new LinkedHashMap<K, V>();
- int _capacity;
- int _hits = 0;
- int _misses = 0;
-
- LruCache({int capacity}) {
- this._capacity = (capacity == null) ? 0 : capacity;
- }
-
- V get(K key) {
- V value = _entries[key];
- if (value != null || _entries.containsKey(key)) {
- ++_hits;
- // refresh
- _entries.remove(key);
- _entries[key] = value;
- } else {
- ++_misses;
- }
- return value;
- }
-
- V put(K key, V value) {
- // idempotent. needed to refresh an existing key.
- _entries.remove(key);
- // _capacity always > 0 but might not be true in some future.
- if (_capacity > 0 && _capacity == _entries.length) {
- // drop oldest entry when at capacity
- // _entries.keys.first is fairly cheap - 2 new calls.
- _entries.remove(_entries.keys.first);
- }
- _entries[key] = value;
- return value;
- }
-
- V remove(K key) => _entries.remove(key);
- void removeAll() => _entries.clear();
- int get capacity => _capacity;
- int get size => _entries.length;
- CacheStats stats() => new CacheStats(capacity, size, _hits, _misses);
- // Debugging helper.
- String toString() => "[$runtimeType: capacity=$capacity, size=$size, items=$_entries]";
-}
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