1 /*
2 * Copyright 2004-2025 the original author or authors.
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 at
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
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 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.StatementScope;
21
22 /**
23 * Base implementation for the DataExchange interface.
24 */
25 public abstract class BaseDataExchange implements DataExchange {
26
27 /** The data exchange factory. */
28 private DataExchangeFactory dataExchangeFactory;
29
30 /**
31 * Instantiates a new base data exchange.
32 *
33 * @param dataExchangeFactory
34 * the data exchange factory
35 */
36 protected BaseDataExchange(DataExchangeFactory dataExchangeFactory) {
37 this.dataExchangeFactory = dataExchangeFactory;
38 }
39
40 @Override
41 public CacheKey getCacheKey(StatementScope statementScope, ParameterMap parameterMap, Object parameterObject) {
42 CacheKey key = new CacheKey();
43 Object[] data = getData(statementScope, parameterMap, parameterObject);
44 for (Object element : data) {
45 if (element != null) {
46 key.update(element);
47 }
48 }
49 return key;
50 }
51
52 /**
53 * Getter for the factory that created this object.
54 *
55 * @return - the factory
56 */
57 public DataExchangeFactory getDataExchangeFactory() {
58 return dataExchangeFactory;
59 }
60
61 }