diff options
Diffstat (limited to 'mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/cache/CacheEvictor.java')
-rw-r--r-- | mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/cache/CacheEvictor.java | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/cache/CacheEvictor.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/cache/CacheEvictor.java new file mode 100644 index 0000000000..017e84c8c8 --- /dev/null +++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/upstream/cache/CacheEvictor.java @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.mozilla.thirdparty.com.google.android.exoplayer2.upstream.cache; + +import org.mozilla.thirdparty.com.google.android.exoplayer2.C; + +/** + * Evicts data from a {@link Cache}. Implementations should call {@link Cache#removeSpan(CacheSpan)} + * to evict cache entries based on their eviction policies. + */ +public interface CacheEvictor extends Cache.Listener { + + /** + * Returns whether the evictor requires the {@link Cache} to touch {@link CacheSpan CacheSpans} + * when it accesses them. Implementations that do not use {@link CacheSpan#lastTouchTimestamp} + * should return {@code false}. + */ + boolean requiresCacheSpanTouches(); + + /** + * Called when cache has been initialized. + */ + void onCacheInitialized(); + + /** + * Called when a writer starts writing to the cache. + * + * @param cache The source of the event. + * @param key The key being written. + * @param position The starting position of the data being written. + * @param length The length of the data being written, or {@link C#LENGTH_UNSET} if unknown. + */ + void onStartFile(Cache cache, String key, long position, long length); +} |