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/*
 * 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.logging.log4j.spi.recycler;

import static java.util.Objects.requireNonNull;

import java.util.function.Supplier;

public abstract class AbstractRecycler implements Recycler {

    private final Supplier supplier;

    protected AbstractRecycler(final Supplier supplier) {
        this.supplier = requireNonNull(supplier, "supplier");
    }

    protected final V createInstance() {
        final V instance = supplier.get();
        if (instance instanceof RecyclerAware) {
            @SuppressWarnings("unchecked")
            final RecyclerAware recyclerAware = (RecyclerAware) instance;
            recyclerAware.setRecycler(this);
        }
        return instance;
    }
}