1/*2 * Copyright 2001-2008 The Apache Software Foundation.3 * 4 * Licensed under the Apache 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 at7 * 8 * http://www.apache.org/licenses/LICENSE-2.09 * 10 * Unless required by applicable law or agreed to in writing, software11 * 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 and14 * limitations under the License.15 *16 */1718package org.apache.juddi.query;
1920import java.util.List;
2122import javax.persistence.EntityManager;
2324import org.apache.juddi.query.util.DynamicQuery;
25import org.apache.juddi.query.util.FindQualifiers;
26import org.uddi.api_v3.CategoryBag;
2728/**29 * Returns the list of binding keys possessing the keyedReferences in the passed category bag.30 * Output is restricted by list of binding keys passed in. If null, all binding templates are searched.31 * Output is produced by building the appropriate JPA query based on input and find qualifiers.32 * 33 * From specification:34 * "This optional argument is a list of category references in the form of keyedReference elements and keyedReferenceGroup35 * structures. When used, the returned bindingDetail for this API will contain elements matching all of the categories 36 * passed (logical AND by default). Specifying the appropriate findQualifiers can override this behavior."37 * 38 * @author <a href="mailto:jfaath@apache.org">Jeff Faath</a>39 */40publicclassFindBindingByCategoryQuery {
4142privatestaticfinal String ENTITY_NAME_CHILD = "BindingCategoryBag";
4344privatestaticfinalFindEntityByCategoryQuery findQuery;
4546static {
47 findQuery = newFindEntityByCategoryQuery(BindingTemplateQuery.ENTITY_NAME,
48 BindingTemplateQuery.ENTITY_ALIAS,
49 BindingTemplateQuery.KEY_NAME,
50 BindingTemplateQuery.ENTITY_FIELD,
51 ENTITY_NAME_CHILD,
52 BindingTemplateQuery.SIGNATURE_PRESENT);
53 }
5455publicstatic List<Object> select(EntityManager em, FindQualifiers fq, CategoryBag categoryBag, String parentKey, List<Object> keysIn) {
56if (parentKey != null && parentKey.length() > 0) {
57 DynamicQuery.Parameter param = new DynamicQuery.Parameter(BindingTemplateQuery.ENTITY_ALIAS + "." + BindingTemplateQuery.KEY_NAME_PARENT, parentKey, DynamicQuery.PREDICATE_EQUALS);
58return findQuery.select(em, fq, categoryBag, keysIn, param);
59 }
60else61return findQuery.select(em, fq, categoryBag, keysIn);
62 }
63 }