| /* |
| * 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.felix.scr.annotations; |
| |
| /** |
| * Options for {@link Reference#cardinality()} property. |
| */ |
| public enum ReferenceCardinality { |
| |
| /** |
| * Optional, unary reference: No service required to be available for the |
| * refernce to be satisfied. Only a single service is available through this |
| * reference. |
| */ |
| OPTIONAL_UNARY("0..1"), |
| |
| /** |
| * Mandatory, unary reference: At least one service must be available for |
| * the reference to be satisfied. Only a single service is available through |
| * this reference. |
| */ |
| MANDATORY_UNARY("1..1"), |
| |
| /** |
| * Optional, multiple reference: No service required to be available for the |
| * refernce to be satisfied. All matching services are available through |
| * this reference. |
| */ |
| OPTIONAL_MULTIPLE("0..n"), |
| |
| /** |
| * Mandatory, multiple reference: At least one service must be available for |
| * the reference to be satisified. All matching services are available |
| * through this reference. |
| */ |
| MANDATORY_MULTIPLE("1..n"); |
| |
| private final String cardinalityString; |
| |
| private ReferenceCardinality(final String cardinalityString) { |
| this.cardinalityString = cardinalityString; |
| } |
| |
| /** |
| * @return String representation of cardinality |
| */ |
| public String getCardinalityString() { |
| return this.cardinalityString; |
| } |
| |
| } |