| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You 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 org.apache.geode.internal.cache.eviction; |
| |
| import java.util.Optional; |
| |
| import org.apache.geode.internal.lang.SystemPropertyHelper; |
| |
| public class EvictionListBuilder { |
| |
| private final boolean evictionScanAsync; |
| |
| private final EvictionController controller; |
| |
| public EvictionListBuilder(EvictionController evictionController) { |
| this.controller = evictionController; |
| Optional<Boolean> asyncScan = |
| SystemPropertyHelper.getProductBooleanProperty(SystemPropertyHelper.EVICTION_SCAN_ASYNC); |
| evictionScanAsync = asyncScan.orElse(true); |
| } |
| |
| public EvictionList create() { |
| if (this.controller.getEvictionAlgorithm().isLIFO()) { |
| return new LIFOList(this.controller); |
| } else { |
| if (evictionScanAsync) { |
| return new LRUListWithAsyncSorting(this.controller); |
| } else { |
| return new LRUListWithSyncSorting(this.controller); |
| } |
| } |
| } |
| |
| } |