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Spring Integration JDBC Support
/*
* Copyright 2002-2016 the original author or authors.
*
* 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.springframework.integration.jdbc.store.channel;
import org.springframework.integration.jdbc.store.JdbcChannelMessageStore;
/**
* Common interface used in order to configure the
* {@link JdbcChannelMessageStore} to provide database-specific queries.
*
* @author Gunnar Hillert
* @author Artem Bilan
* @since 2.2
*/
public interface ChannelMessageStoreQueryProvider {
/**
* Get the query used to retrieve a count of all messages currently persisted
* for a channel.
*
* @return Sql Query
*/
String getCountAllMessagesInGroupQuery();
/**
* Get the query used to retrieve the oldest message for a channel excluding
* messages that match the provided message ids.
*
* @return Sql Query
*/
String getPollFromGroupExcludeIdsQuery();
/**
* Get the query used to retrieve the oldest message for a channel.
*
* @return Sql Query
*/
String getPollFromGroupQuery();
/**
* Get the query used to retrieve the oldest message by priority for a channel excluding
* messages that match the provided message ids.
*
* @return Sql Query
*/
String getPriorityPollFromGroupExcludeIdsQuery();
/**
* Get the query used to retrieve the oldest message by priority for a channel.
*
* @return Sql Query
*/
String getPriorityPollFromGroupQuery();
/**
* Query that retrieves a message for the provided message id, channel and
* region.
*
* @return Sql Query
*/
String getMessageQuery();
/**
* Query that retrieve a count of all messages for a region.
*
* @return Sql Query
*/
String getMessageCountForRegionQuery();
/**
* Query to delete a single message from the database.
*
* @return Sql Query
*/
String getDeleteMessageQuery();
/**
* Query to add a single message to the database.
*
* @return Sql Query
*/
String getCreateMessageQuery();
/**
* Query to delete all messages that belong to a specific channel.
*
* @return Sql Query
*/
String getDeleteMessageGroupQuery();
}