/*
* Copyright 2014 mango.jfaster.org
*
* The Mango Project 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.jfaster.mango.operator.generator;
import org.jfaster.mango.binding.BindingParameterInvoker;
import org.jfaster.mango.binding.InvocationContext;
import org.jfaster.mango.datasource.DataSourceFactoryGroup;
import org.jfaster.mango.datasource.DataSourceType;
import org.jfaster.mango.sharding.DatabaseShardingStrategy;
/**
* @author ash
*/
public class ShardedDataSourceGenerator extends AbstractDataSourceGenerator {
private final BindingParameterInvoker bindingParameterInvoker;
private final DatabaseShardingStrategy databaseShardingStrategy;
protected ShardedDataSourceGenerator(
DataSourceFactoryGroup dataSourceFactoryGroup,
DataSourceType dataSourceType,
BindingParameterInvoker bindingParameterInvoker,
DatabaseShardingStrategy databaseShardingStrategy) {
super(dataSourceFactoryGroup, dataSourceType);
this.bindingParameterInvoker = bindingParameterInvoker;
this.databaseShardingStrategy = databaseShardingStrategy;
}
@SuppressWarnings("unchecked")
@Override
public String getDataSourceFactoryName(InvocationContext context) {
Object shardParam = context.getBindingValue(bindingParameterInvoker);
return databaseShardingStrategy.getDataSourceFactoryName(shardParam);
}
}