001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.http.jersey; 019 020import java.util.function.Supplier; 021import org.apache.yetus.audience.InterfaceAudience; 022 023import org.apache.hbase.thirdparty.org.glassfish.hk2.api.Factory; 024 025/** 026 * Use a {@link Supplier} of type {@code T} as a {@link Factory} that provides instances of 027 * {@code T}. Modeled after Jersey's internal implementation. 028 */ 029@InterfaceAudience.Private 030public class SupplierFactoryAdapter<T> implements Factory<T> { 031 032 private final Supplier<T> supplier; 033 034 public SupplierFactoryAdapter(Supplier<T> supplier) { 035 this.supplier = supplier; 036 } 037 038 @Override 039 public T provide() { 040 return supplier.get(); 041 } 042 043 @Override 044 public void dispose(T instance) { 045 } 046}