/*
* Copyright 2004 Clinton Begin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.ibatis.sqlmap.engine.exchange;
import com.ibatis.sqlmap.engine.cache.CacheKey;
import com.ibatis.sqlmap.engine.mapping.parameter.ParameterMap;
import com.ibatis.sqlmap.engine.scope.StatementScope;
/**
* Base implementation for the DataExchange interface
*/
public abstract class BaseDataExchange implements DataExchange {
private DataExchangeFactory dataExchangeFactory;
protected BaseDataExchange(DataExchangeFactory dataExchangeFactory) {
this.dataExchangeFactory = dataExchangeFactory;
}
public CacheKey getCacheKey(StatementScope statementScope, ParameterMap parameterMap, Object parameterObject) {
CacheKey key = new CacheKey();
Object[] data = getData(statementScope, parameterMap, parameterObject);
for (int i = 0; i < data.length; i++) {
if (data[i] != null) {
key.update(data[i]);
}
}
return key;
}
/**
* Getter for the factory that created this object
* @return - the factory
*/
public DataExchangeFactory getDataExchangeFactory() {
return dataExchangeFactory;
}
}