session-android/src/org/thoughtcrime/securesms/util/LRUCache.java

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package org.thoughtcrime.securesms.util;
import java.util.LinkedHashMap;
import java.util.Map;
public class LRUCache<K,V> extends LinkedHashMap<K,V> {
private final int maxSize;
public LRUCache(int maxSize) {
this.maxSize = maxSize;
}
@Override
protected boolean removeEldestEntry (Map.Entry<K,V> eldest) {
return size() > maxSize;
}
}