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Add another ifndef and a couple of methods to LruCache

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The new methods on LruCache are needed by libhwui to manage
the cache of paths.

Change-Id: If54fa325c54e2b04e7fe5dfe6dad66066c40127c
This commit is contained in:
Romain Guy 2012-11-28 17:37:03 -08:00
parent 98fc88d3ce
commit e402f1fde2
2 changed files with 28 additions and 0 deletions
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4
include/utils/JenkinsHash.h
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@ -19,6 +19,9 @@
* should still be quite good.
**/
#ifndef ANDROID_JENKINS_HASH_H
#define ANDROID_JENKINS_HASH_H
#include <utils/TypeHelpers.h>
namespace android {
@ -42,3 +45,4 @@ uint32_t JenkinsHashMixShorts(uint32_t hash, const uint16_t* shorts, size_t size
}
#endif // ANDROID_JENKINS_HASH_H

24
include/utils/LruCache.h
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@ -36,6 +36,9 @@ public:
void setOnEntryRemovedListener(OnEntryRemoved<TKey, TValue>* listener);
size_t size() const;
const TKey& keyAt(size_t index) const;
const TValue& valueAt(size_t index) const;
void removeAt(size_t index);
const TValue& get(const TKey& key);
bool put(const TKey& key, const TValue& value);
bool remove(const TKey& key);
@ -85,6 +88,27 @@ size_t LruCache<TKey, TValue>::size() const {
return mTable->size();
}
template <typename TKey, typename TValue>
const TKey& LruCache<TKey, TValue>::keyAt(size_t index) const {
const Entry& entry = mTable->entryAt(index);
return entry.key;
}
template <typename TKey, typename TValue>
const TValue& LruCache<TKey, TValue>::valueAt(size_t index) const {
const Entry& entry = mTable->entryAt(index);
return entry.value;
}
template <typename TKey, typename TValue>
void LruCache<TKey, TValue>::removeAt(size_t index) {
if (index < 0) {
return;
}
mTable->removeAt(index);
}
template <typename TKey, typename TValue>
const TValue& LruCache<TKey, TValue>::get(const TKey& key) {
hash_t hash = hash_type(key);