01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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:
17: package org.compass.gps.device.jpa.queryprovider;
18:
19: import javax.persistence.EntityManager;
20: import javax.persistence.Query;
21:
22: import org.compass.gps.device.jpa.entities.EntityInformation;
23:
24: /**
25: * During indexing time provides the Jpa Query to extract the data
26: * to be indexed per entity.
27: *
28: * @author kimchy
29: */
30: public interface JpaQueryProvider {
31:
32: /**
33: * Create a Jpa Query based on the Jpa <code>EntityManager</code> and
34: * the {@link org.compass.gps.device.jpa.entities.EntityInformation}.
35: *
36: * @param entityManager The entity manager to create the query with
37: * @param entityInformation The enity information to create the query with
38: * @return the Jpa query
39: */
40: Query createQuery(EntityManager entityManager,
41: EntityInformation entityInformation);
42: }
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