1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.maven.api.plugin.annotations; 20 21 import org.apache.maven.api.annotations.Experimental; 22 23 /** 24 * Component instantiation strategy. 25 * 26 * @since 4.0 27 */ 28 @Experimental 29 public enum InstantiationStrategy { 30 PER_LOOKUP("per-lookup"), 31 SINGLETON("singleton"), 32 KEEP_ALIVE("keep-alive"), 33 POOLABLE("poolable"); 34 35 private final String id; 36 37 InstantiationStrategy(String id) { 38 this.id = id; 39 } 40 41 public String id() { 42 return this.id; 43 } 44 }