NoOpCacheEvictor.java
/*
* 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 androidx.media3.datasource.cache;
import androidx.media3.common.util.UnstableApi;
/**
* Evictor that doesn't ever evict cache files.
*
* <p>Warning: Using this evictor might have unforeseeable consequences if cache size is not managed
* elsewhere.
*/
@UnstableApi
public final class NoOpCacheEvictor implements CacheEvictor {
@Override
public boolean requiresCacheSpanTouches() {
return false;
}
@Override
public void onCacheInitialized() {
// Do nothing.
}
@Override
public void onStartFile(Cache cache, String key, long position, long length) {
// Do nothing.
}
@Override
public void onSpanAdded(Cache cache, CacheSpan span) {
// Do nothing.
}
@Override
public void onSpanRemoved(Cache cache, CacheSpan span) {
// Do nothing.
}
@Override
public void onSpanTouched(Cache cache, CacheSpan oldSpan, CacheSpan newSpan) {
// Do nothing.
}
}