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Move cache to own class in Breeze package

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This commit is contained in:
Phoenix616 2018-03-12 21:01:03 +01:00
parent 21815197c6
commit b22d8fd95d
2 changed files with 50 additions and 45 deletions
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46
src/main/java/com/Acrobot/Breeze/Collection/SimpleCache.java Normal file
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@ -0,0 +1,46 @@
package com.Acrobot.Breeze.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
public class SimpleCache<K, V> {
private final LinkedHashMap<K, V> map;
public SimpleCache(int cacheSize) {
map = new LinkedHashMap<K, V>(cacheSize * 10/9, 0.7f, true) {
@Override
protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
return size() > cacheSize;
}
};
}
public V put(K key, V value) {
return map.put(key, value);
}
public V get(K key) {
return map.get(key);
}
public V get(K key, Callable<? extends V> loader) throws ExecutionException {
if (contains(key)) {
return map.get(key);
}
try {
V value = loader.call();
if (value != null) {
put(key, value);
}
return value;
} catch (Exception e) {
throw new ExecutionException(e);
}
}
private boolean contains(K key) {
return map.containsKey(key);
}
}

49
src/main/java/com/Acrobot/ChestShop/UUIDs/NameManager.java
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@ -2,6 +2,7 @@ package com.Acrobot.ChestShop.UUIDs;
import com.Acrobot.Breeze.Utils.Encoding.Base62;
import com.Acrobot.Breeze.Utils.NameUtil;
import com.Acrobot.Breeze.Collection.SimpleCache;
import com.Acrobot.ChestShop.ChestShop;
import com.Acrobot.ChestShop.Configuration.Properties;
import com.Acrobot.ChestShop.Database.Account;
@ -17,10 +18,7 @@ import org.bukkit.entity.Player;
import java.sql.SQLException;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.logging.Level;
@ -33,9 +31,9 @@ import java.util.logging.Level;
public class NameManager {
private static Dao<Account, String> accounts;
private static SimpleLoadingCache<String, Account> usernameToAccount = new SimpleLoadingCache<>(Properties.CACHE_SIZE);
private static SimpleLoadingCache<UUID, Account> uuidToAccount = new SimpleLoadingCache<>(Properties.CACHE_SIZE);
private static SimpleLoadingCache<String, Account> shortToAccount = new SimpleLoadingCache<>(Properties.CACHE_SIZE);
private static SimpleCache<String, Account> usernameToAccount = new SimpleCache<>(Properties.CACHE_SIZE);
private static SimpleCache<UUID, Account> uuidToAccount = new SimpleCache<>(Properties.CACHE_SIZE);
private static SimpleCache<String, Account> shortToAccount = new SimpleCache<>(Properties.CACHE_SIZE);
private static Account adminAccount;
private static Account serverEconomyAccount;
@ -309,43 +307,4 @@ public class NameManager {
return serverEconomyAccount;
}
private static class SimpleLoadingCache<K, V> {
private final LinkedHashMap<K, V> map;
public SimpleLoadingCache(int cacheSize) {
map = new LinkedHashMap<K, V>(cacheSize * 10/9, 0.7f, true) {
@Override
protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
return size() > cacheSize;
}
};
}
public void put(K key, V value) {
map.put(key, value);
}
public V get(K key) {
return map.get(key);
}
public V get(K key, Callable<? extends V> loader) throws ExecutionException {
if (contains(key)) {
return map.get(key);
}
try {
V value = loader.call();
if (value != null) {
put(key, value);
}
return value;
} catch (Exception e) {
throw new ExecutionException(e);
}
}
private boolean contains(K key) {
return map.containsKey(key);
}
}
}