1 /**
2 * Copyright 2005-2015 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.krad.data.jpa;
17
18 import org.kuali.rice.core.api.criteria.GenericQueryResults;
19 import org.kuali.rice.core.api.criteria.QueryByCriteria;
20
21 /**
22 * Simple interface that abstracts ORM query by criteria and delete logic.
23 *
24 * @author Kuali Rice Team (rice.collab@kuali.org)
25 */
26 interface CriteriaQuery {
27 /**
28 * Looks up a type based on a query criteria.
29 *
30 * @param queryClass the class to lookup
31 * @param criteria the criteria to lookup against. cannot be null.
32 * @param <T> the type that is being looked up.
33 * @return the results. will never be null.
34 * @throws IllegalArgumentException if the criteria is null
35 */
36 <T> GenericQueryResults<T> lookup(final Class<T> queryClass, final QueryByCriteria criteria);
37
38 /**
39 * Deletes all data objects based on the given type.
40 *
41 * @param type the type of data objects to delete
42 * @param <T> the data object class type
43 *
44 * @throws IllegalArgumentException if the class type is null
45 * @throws org.springframework.dao.DataAccessException if data access fails
46 */
47 public <T> void deleteAll(Class<T> type);
48
49
50 /**
51 * Deletes data objects based on the given criteria
52 *
53 * <p>If the given criteria is empty or null than an {@link java.lang.IllegalArgumentException} will be thrown.
54 * If the given type is null then an {@link java.lang.IllegalArgumentException} will be thrown.</p>
55 *
56 * @param type the type of data object
57 * @param criteria criteria to filter by
58 *
59 * @throws IllegalArgumentException if the criteria or criteria predicate is null
60 * @throws org.springframework.dao.DataAccessException if data access fails
61 */
62 public <T> void deleteMatching(Class<T> type, QueryByCriteria criteria);
63
64 }