ITransaction.java

/**
 * Copyright 2014 Duan Bingnan
 * 
 * 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.pinus4j.transaction;

import javax.transaction.Transaction;

import org.pinus4j.cluster.resources.IDBResource;
import org.pinus4j.cluster.resources.IResourceId;
import org.pinus4j.transaction.enums.EnumTransactionIsolationLevel;

/**
 * transaction interface.
 *
 * @author duanbn
 * @since 1.1.0
 */
public interface ITransaction extends Transaction {

    /**
     * current transaction whether container a db resource.
     * 
     * @param resId
     * @return
     */
    boolean isContain(IResourceId resId);

    /**
     * get db resource by id.
     * 
     * @param resId
     * @return
     */
    IDBResource getDBResource(IResourceId resId);

    /**
     * flush to db.
     */
    void flush();

    /**
     * set isolation level for this transaction.
     * 
     * @param txLevel
     */
    void setIsolationLevel(EnumTransactionIsolationLevel txLevel);

}