| /******************************************************************************* |
| * 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.olingo.odata2.api.edm; |
| |
| /** |
| * @org.apache.olingo.odata2.DoNotImplement |
| * <p>EdmMultiplicity indicates the number of entity type instances |
| * an association end can relate to: |
| * <dl> |
| * <dt>0..1</dt><dd>one or none</dd> |
| * <dt> 1</dt><dd>exactly one</dd> |
| * <dt> *</dt><dd>many</dd> |
| * </dl></p> |
| * |
| */ |
| public enum EdmMultiplicity { |
| |
| ZERO_TO_ONE("0..1"), MANY("*"), ONE("1"); |
| |
| private final String literal; |
| |
| private EdmMultiplicity(final String literal) { |
| this.literal = literal; |
| } |
| |
| /** |
| * Gets the multiplicity for a given name. |
| * @param literal |
| * @return {@link EdmMultiplicity} |
| */ |
| public static EdmMultiplicity fromLiteral(final String literal) { |
| for (final EdmMultiplicity edmMultiplicity : EdmMultiplicity.values()) { |
| if (edmMultiplicity.toString().equals(literal)) { |
| return edmMultiplicity; |
| } |
| } |
| throw new IllegalArgumentException("Invalid literal " + literal); |
| } |
| |
| /** |
| * Returns the OData literal form of this multiplicity. |
| * @return the OData literal form of this multiplicity |
| */ |
| @Override |
| public String toString() { |
| return literal; |
| } |
| } |