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Flexible thread-safe generic object pool

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/*
 * Copyright © 2019 Benny Bottema ([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 org.bbottema.genericobjectpool.expirypolicies;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import org.bbottema.genericobjectpool.PoolableObject;
import org.jetbrains.annotations.NotNull;

import java.util.concurrent.TimeUnit;

import static java.util.Objects.requireNonNull;

@SuppressWarnings("unused")
public class SpreadedTimeoutSinceLastAllocationExpirationPolicy extends SpreadedTimeoutExpirationPolicy {
	public SpreadedTimeoutSinceLastAllocationExpirationPolicy(long lowerBound, long upperBound, TimeUnit unit) {
		super(lowerBound, upperBound, unit);
	}
	
	@Override
	@SuppressFBWarnings(value = "NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE", justification = "False positive")
	boolean _hasExpired(@NotNull PoolableObject poolableObject) {
		return poolableObject.allocationAgeMs() >= requireNonNull(poolableObject.getExpiriesMs().get(this));
	}
}