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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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 org.apache.tuscany.das.rdb;
import java.io.IOException;
import java.io.InputStream;
import org.apache.tuscany.das.rdb.config.Config;
/**
* A CommandFactory produces {@link Command} and {@link ApplyChangesCommand}
* instances.
*
*
*/
public interface CommandFactory {
/**
* Creates a Command based on the provided SQL statement
*
* @param sql
* The SQL statement
* @return returns a Command instance
*/
public Command createCommand(String sql);
/**
* Creates a Command based on the provided SQL statement and configuration
*
* @param sql
* The SQL statement
* @param mappingModel
* The congiguration as XML file stream
* @return returns a COmmand instance
*/
public Command createCommand(String sql, InputStream config);
/**
* Creates a Command based on the provided SQL statement and configuration
*
* @param sql
* The SQL statement
* @param config
* The congiguration as Config instance
* @return returns a COmmand instance
*/
public Command createCommand(String sql, Config config);
/**
* Creates an {@linkApplyChangesCommand} instance
*
* @return Returns the ApplyChangesCommand instance
*/
public ApplyChangesCommand createApplyChangesCommand();
/**
* Creates an {@linkApplyChangesCommand} instance with the provided
* configuration
*
* @param config
* The provided configuration as a stream over an xml file
* @return Returns an ApplyChangesCOmmand in stance
* @throws IOException
*/
public ApplyChangesCommand createApplyChangesCommand(InputStream config) throws IOException;
/**
* Creates an {@linkApplyChangesCommand} instance with the provided
* configuration
*
* @param config
* The provided configuration as a Config instance
* @return Returns an ApplyChangesCommand in stance
* @throws IOException
*/
public ApplyChangesCommand createApplyChangesCommand(Config config);
}
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