ICobarDataSourceService.java

/**
 * Copyright 1999-2011 Alibaba Group
 *
 * 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.alibaba.cobar.client.datasources;

import java.util.Map;
import java.util.Set;

import javax.sql.DataSource;

import com.alibaba.cobar.client.CobarSqlMapClientTemplate;
import com.alibaba.cobar.client.transaction.MultipleDataSourcesTransactionManager;
/**
 * A ICobarDataSourceLocator is responsible for constructing a mapping of data sources and their identities 
 * so that {@link MultipleDataSourcesTransactionManager} and {@link CobarSqlMapClientTemplate} can get a collection of data source dependencies in a consistent way.
 * <br>
 * The implementations of this interface can assemble such a mapping relationship as per data source references in a spring container, 
 * or read data source service configuration information from some location and then assemble data sources for usage later.
 * 
 * @author fujohnwang
 * @since  1.0 
 */
public interface ICobarDataSourceService {
	Map<String, DataSource> getDataSources();
	Set<CobarDataSourceDescriptor> getDataSourceDescriptors();
}