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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.sca.implementation.data;
import javax.xml.stream.XMLStreamReader;
/**
* The service interface of a DAS service provided by DAS components.
*
* @version $Rev$ $Date$
*/
public interface DATA {
/**
* Retrieve the Database table contents If a id is given, the results will
* be filtered to a matching row
*
* @param id The PK that identifies the row on the table
* @return The row content in XML format
*/
XMLStreamReader get(String id);
/**
* Insert new content in the Database
*
* @param insertStream The insertion in XML format
* @return The number of rows affected
*/
int insert(XMLStreamReader insertStream);
/**
* Update the Database table contents
*
* @param updateStream The updates in XML format
* @return The number of rows affected
*/
int update(XMLStreamReader updateStream);
/**
* Delete the Database table contents If a id is given, only a specific row
* will be deleted
*
* @param id The PK that identifies the row on the table
* @return The number of rows affected
*/
int delete(String id);
}
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