mirror of https://github.com/apache/cloudstack.git
63 lines
2.4 KiB
Java
Executable File
63 lines
2.4 KiB
Java
Executable File
//
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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//
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package com.cloud.api.query;
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import java.util.ArrayList;
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import java.util.List;
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import com.cloud.exception.InvalidParameterValueException;
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import com.cloud.utils.component.ManagerBase;
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import com.cloud.utils.db.SearchCriteria;
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public class MutualExclusiveIdsManagerBase extends ManagerBase {
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/***
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* Include ids list in query criteria if ids is not null
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* @param sc search criteria, class type SearchCriteria<Z>
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* @param ids ids list, class type List<T>
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*/
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protected <Z,T> void setIdsListToSearchCriteria(SearchCriteria<Z> sc, List<T> ids){
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if (ids != null && !ids.isEmpty()) {
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sc.setParameters("idIN", ids.toArray());
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}
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}
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/***
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* Mutually exclusive parameters id and ids for API calls.<br/>
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* Retrieve a list of ids or a list containing id depending on which of them is not null, or null if both are null
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* @param id entity id, class type T
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* @param ids entities ids, class type List<T>
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* @return if id is not null return a list containing id else return ids, if both parameters are null -> return null
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* @throws InvalidParameterValueException - if id and ids are both not null
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*/
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protected <T> List<T> getIdsListFromCmd(T id, List<T> ids){
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List<T> idsList = null;
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if (id != null) {
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if (ids != null && !ids.isEmpty()) {
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throw new InvalidParameterValueException("Specify either id or ids but not both parameters");
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}
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idsList = new ArrayList<T>();
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idsList.add(id);
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} else {
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idsList = ids;
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}
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return idsList;
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}
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}
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