01: /*
02: * Copyright 2004 Clinton Begin
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: package com.ibatis.sqlmap.engine.exchange;
17:
18: import com.ibatis.sqlmap.engine.cache.CacheKey;
19: import com.ibatis.sqlmap.engine.mapping.parameter.ParameterMap;
20: import com.ibatis.sqlmap.engine.scope.RequestScope;
21:
22: /**
23: * Base implementation for the DataExchange interface
24: */
25: public abstract class BaseDataExchange implements DataExchange {
26:
27: private DataExchangeFactory dataExchangeFactory;
28:
29: protected BaseDataExchange(DataExchangeFactory dataExchangeFactory) {
30: this .dataExchangeFactory = dataExchangeFactory;
31: }
32:
33: public CacheKey getCacheKey(RequestScope request,
34: ParameterMap parameterMap, Object parameterObject) {
35: CacheKey key = new CacheKey();
36: Object[] data = getData(request, parameterMap, parameterObject);
37: for (int i = 0; i < data.length; i++) {
38: if (data[i] != null) {
39: key.update(data[i]);
40: }
41: }
42: return key;
43: }
44:
45: /**
46: * Getter for the factory that created this object
47: * @return - the factory
48: */
49: public DataExchangeFactory getDataExchangeFactory() {
50: return dataExchangeFactory;
51: }
52:
53: }
|