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/*
 * Copyright © 2009 HotPads ([email protected])
 *
 * 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 io.datarouter.client.mysql.op.write;

import java.sql.PreparedStatement;

import io.datarouter.client.mysql.op.BaseMysqlOp;
import io.datarouter.client.mysql.op.Isolation;
import io.datarouter.client.mysql.sql.MysqlSqlFactory;
import io.datarouter.client.mysql.util.MysqlTool;
import io.datarouter.model.databean.Databean;
import io.datarouter.model.key.primary.PrimaryKey;
import io.datarouter.model.serialize.fielder.DatabeanFielder;
import io.datarouter.storage.Datarouter;
import io.datarouter.storage.config.Config;
import io.datarouter.storage.serialize.fieldcache.PhysicalDatabeanFieldInfo;

public class MysqlDeleteAllOp<
		PK extends PrimaryKey,
		D extends Databean,
		F extends DatabeanFielder>
extends BaseMysqlOp{

	private final PhysicalDatabeanFieldInfo fieldInfo;
	private final Config config;
	private final MysqlSqlFactory mysqlSqlFactory;

	public MysqlDeleteAllOp(
			Datarouter datarouter,
			PhysicalDatabeanFieldInfo fieldInfo,
			Config config,
			MysqlSqlFactory mysqlSqlFactory){
		super(datarouter, fieldInfo.getClientId(), Isolation.DEFAULT, true);
		this.fieldInfo = fieldInfo;
		this.config = config;
		this.mysqlSqlFactory = mysqlSqlFactory;
	}

	@Override
	public Integer runOnce(){
		PreparedStatement statement = mysqlSqlFactory
				.createSql(getClientId(), fieldInfo.getTableName(), fieldInfo.getDisableIntroducer())
				.deleteAll(config, fieldInfo.getTableName())
				.prepare(getConnection());
		return MysqlTool.update(statement);
	}

}