| /* |
| * 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.commons.pool2.impl; |
| |
| import org.apache.commons.pool2.PooledObject; |
| |
| /** |
| * To provide a custom eviction policy (i.e. something other than {@link |
| * DefaultEvictionPolicy} for a pool, users must provide an implementation of |
| * this interface that provides the required eviction policy. |
| * |
| * @param <T> the type of objects in the pool |
| * |
| * @since 2.0 |
| */ |
| public interface EvictionPolicy<T> { |
| |
| /** |
| * This method is called to test if an idle object in the pool should be |
| * evicted or not. |
| * |
| * @param config The pool configuration settings related to eviction |
| * @param underTest The pooled object being tested for eviction |
| * @param idleCount The current number of idle objects in the pool including |
| * the object under test |
| * @return {@code true} if the object should be evicted, otherwise |
| * {@code false} |
| */ |
| boolean evict(EvictionConfig config, PooledObject<T> underTest, int idleCount); |
| } |