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// Copyright 2020 Ben Manes. All Rights Reserved.
//
// 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.github.benmanes.caffeine.cache;

import java.lang.reflect.Constructor;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * WARNING: GENERATED CODE
 *
 * A factory for caches optimized for a particular configuration.
 *
 * @author [email protected] (Ben Manes)
 */
final class LocalCacheFactory {
  public static final String MAXIMUM = "maximum";

  public static final String WINDOW_MAXIMUM = "windowMaximum";

  public static final String MAIN_PROTECTED_MAXIMUM = "mainProtectedMaximum";

  public static final String WEIGHTED_SIZE = "weightedSize";

  public static final String WINDOW_WEIGHTED_SIZE = "windowWeightedSize";

  public static final String MAIN_PROTECTED_WEIGHTED_SIZE = "mainProtectedWeightedSize";

  public static final String KEY = "key";

  public static final String VALUE = "value";

  public static final String ACCESS_TIME = "accessTime";

  public static final String WRITE_TIME = "writeTime";

  private LocalCacheFactory() {}

  /** Returns a cache optimized for this configuration. */
  static  BoundedLocalCache newBoundedLocalCache(
      Caffeine builder, @Nullable CacheLoader cacheLoader, boolean async) {
    StringBuilder sb = new StringBuilder("com.github.benmanes.caffeine.cache.");
    if (builder.isStrongKeys()) {
      sb.append('S');
    } else {
      sb.append('W');
    }
    if (builder.isStrongValues()) {
      sb.append('S');
    } else {
      sb.append('I');
    }
    if (builder.removalListener != null) {
      sb.append('L');
    }
    if (builder.isRecordingStats()) {
      sb.append('S');
    }
    if (builder.evicts()) {
      sb.append('M');
      if (builder.isWeighted()) {
        sb.append('W');
      } else {
        sb.append('S');
      }
    }
    if (builder.expiresAfterAccess() || builder.expiresVariable()) {
      sb.append('A');
    }
    if (builder.expiresAfterWrite()) {
      sb.append('W');
    }
    if (builder.refreshAfterWrite()) {
      sb.append('R');
    }
    try {
      Class clazz = Class.forName(sb.toString());
      Constructor ctor =
          clazz.getDeclaredConstructor(Caffeine.class, CacheLoader.class, boolean.class);
      @SuppressWarnings("unchecked")
      BoundedLocalCache factory =
          (BoundedLocalCache) ctor.newInstance(builder, cacheLoader, async);
      return factory;
    } catch (ReflectiveOperationException e) {
      throw new IllegalStateException(sb.toString(), e);
    }
  }
}