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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.service.persistence.store.jdbc;
import java.io.Serializable;
import java.sql.Connection;
import java.sql.PreparedStatement;
import org.apache.tuscany.spi.services.store.StoreReadException;
import org.apache.tuscany.spi.services.store.StoreWriteException;
/**
* Converters mediate the particularities of specific databases and JDBC drivers such as data types during read and
* write operations
*
* @version $Rev$ $Date$
*/
public interface Converter {
/**
* Returns the SQL statement to select a record for update
*
* @return the SQL statement to select a record for update
*/
String getSelectUpdateSql();
/**
* Returns the SQL statement to add a record
*
* @return the SQL statement to add a record
*/
String getInsertSql();
/**
* Returns the SQL statement to update a record
*
* @return the SQL statement to update a record
*/
String getUpdateSql();
/**
* Returns the SQL statement to retrieve a record
*
* @return the SQL statement to retrieve a record
*/
String getFindSql();
/**
* Returns the SQL statement to remove a record
*
* @return the SQL statement to remove a record
*/
String getDeleteSql();
/**
* Returns the SQL statement to remove expired records
*
* @return the SQL statement to remove expired records
*/
String getDeleteExpiredSql();
String getDeleteRecordSql();
/**
* Writes a new record to the underlying store using batch semantics. That is, the insert will be added as a batch
* operation to the prepared statment. It is the responsibility of the client (i.e. the prepared statement "owner")
* to exectute the statement when the batch threshold is reached. Note implementations must assume auto commit is
* false.
*
* @param stmt
* @param ownerId
* @param id
* @param expiration
* @param object
* @throws org.apache.tuscany.spi.services.store.StoreWriteException
*
*/
void insert(PreparedStatement stmt, String ownerId, String id, long expiration, Serializable object)
throws StoreWriteException;
/**
* @param stmt
* @param ownerId
* @param id
* @param object
* @throws StoreWriteException
*/
void update(PreparedStatement stmt, String ownerId, String id, Serializable object) throws StoreWriteException;
/**
* @param stmt
* @param ownerId
* @param id
* @return
* @throws StoreWriteException
*/
boolean findAndLock(PreparedStatement stmt, String ownerId, String id) throws StoreWriteException;
/**
* Reads a record from the underlying store. Note implementations must assume auto commit is false.
*
* @param conn
* @param ownerId
* @param id
* @return
* @throws StoreReadException
*/
Object read(Connection conn, String ownerId, String id) throws StoreReadException;
/**
* @param stmt
* @param ownerId
* @param id
* @throws StoreWriteException
*/
void delete(PreparedStatement stmt, String ownerId, String id) throws StoreWriteException;
}
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