mirror of https://github.com/TeamNewPipe/NewPipe
101 lines
3.1 KiB
Java
101 lines
3.1 KiB
Java
/*
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* Copyright 2017 Mauricio Colli <mauriciocolli@outlook.com>
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* InfoCache.java is part of NewPipe
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*
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* License: GPL-3.0+
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.schabi.newpipe.util;
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import android.support.annotation.NonNull;
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import android.support.v4.util.LruCache;
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import android.util.Log;
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import org.schabi.newpipe.MainActivity;
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import org.schabi.newpipe.extractor.Info;
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public final class InfoCache {
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private static final boolean DEBUG = MainActivity.DEBUG;
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private final String TAG = getClass().getSimpleName();
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private static final InfoCache instance = new InfoCache();
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private static final int MAX_ITEMS_ON_CACHE = 60;
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/**
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* Trim the cache to this size
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*/
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private static final int TRIM_CACHE_TO = 30;
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// TODO: Replace to one with timeout (like the one from guava)
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private static final LruCache<String, Info> lruCache = new LruCache<>(MAX_ITEMS_ON_CACHE);
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private InfoCache() {
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//no instance
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}
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public static InfoCache getInstance() {
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return instance;
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}
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public Info getFromKey(int serviceId, @NonNull String url) {
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if (DEBUG) Log.d(TAG, "getFromKey() called with: serviceId = [" + serviceId + "], url = [" + url + "]");
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synchronized (lruCache) {
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return lruCache.get(serviceId + url);
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}
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}
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public void putInfo(@NonNull Info info) {
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if (DEBUG) Log.d(TAG, "putInfo() called with: info = [" + info + "]");
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synchronized (lruCache) {
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lruCache.put(info.service_id + info.url, info);
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}
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}
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public void removeInfo(@NonNull Info info) {
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if (DEBUG) Log.d(TAG, "removeInfo() called with: info = [" + info + "]");
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synchronized (lruCache) {
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lruCache.remove(info.service_id + info.url);
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}
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}
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public void removeInfo(int serviceId, @NonNull String url) {
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if (DEBUG) Log.d(TAG, "removeInfo() called with: serviceId = [" + serviceId + "], url = [" + url + "]");
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synchronized (lruCache) {
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lruCache.remove(serviceId + url);
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}
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}
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public void clearCache() {
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if (DEBUG) Log.d(TAG, "clearCache() called");
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synchronized (lruCache) {
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lruCache.evictAll();
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}
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}
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public void trimCache() {
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if (DEBUG) Log.d(TAG, "trimCache() called");
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synchronized (lruCache) {
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lruCache.trimToSize(TRIM_CACHE_TO);
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}
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}
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public long getSize() {
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synchronized (lruCache) {
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return lruCache.size();
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}
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}
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}
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