com.jfinal.plugin.activerecord.tx.TxSerializable Maven / Gradle / Ivy

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/**
 * Copyright (c) 2011-2021, James Zhan 詹波 ([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 com.jfinal.plugin.activerecord.tx;

/**
 * TxSerializable.
 */
public class TxSerializable extends Tx {
	
    /**
     * A constant indicating that
     * dirty reads, non-repeatable reads and phantom reads are prevented.
     * This level includes the prohibitions in
     * TRANSACTION_REPEATABLE_READ and further prohibits the 
     * situation where one transaction reads all rows that satisfy
     * a WHERE condition, a second transaction inserts a row that
     * satisfies that WHERE condition, and the first transaction
     * rereads for the same condition, retrieving the additional
     * "phantom" row in the second read.
     */
    private int TRANSACTION_SERIALIZABLE     = 8;
    
    @Override
	protected int getTransactionLevel(com.jfinal.plugin.activerecord.Config config) {
		return TRANSACTION_SERIALIZABLE;
	}
}