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/**
 * Copyright (c) 2011-2023, James Zhan 詹波 ([email protected]).
 *
 * 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 com.litongjava.jfinal.proxy;

import java.util.Map;
import java.util.Objects;
import java.util.concurrent.atomic.AtomicLong;

import com.jfinal.kit.SyncWriteMap;

/**
 * ProxyMethodCache
 */
public class ProxyMethodCache {

  private static final AtomicLong atomicLong = new AtomicLong();
  private static final Map cache = new SyncWriteMap<>(2048, 0.25F);

  public static Long generateKey() {
    return atomicLong.incrementAndGet();
  }

  public static void put(ProxyMethod proxyMethod) {
    Objects.requireNonNull(proxyMethod, "proxyMethod can not be null");
    Objects.requireNonNull(proxyMethod.getKey(), "the key of proxyMethod can not be null");
    if (cache.containsKey(proxyMethod.getKey())) {
      throw new RuntimeException("the key of proxyMethod already exists");
    }

    cache.putIfAbsent(proxyMethod.getKey(), proxyMethod);
  }

  public static ProxyMethod get(Long key) {
    return cache.get(key);
  }

  public static void clean() {
    atomicLong.set(0);
    cache.clear();
  }
}