/*
 * Copyright 2010-2012 Luca Garulli (l.garulli--at--orientechnologies.com)
 *
 * 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.orientechnologies.orient.core.db;

/**
 * Listener Interface for all the events of the Database instances.
 * 
 * @author Luca Garulli (l.garulli--at--orientechnologies.com)
 * 
 */
public interface ODatabaseListener {

	public void onCreate(final ODatabase iDatabase);

	public void onDelete(final ODatabase iDatabase);

	public void onOpen(final ODatabase iDatabase);

	public void onBeforeTxBegin(final ODatabase iDatabase);

	public void onBeforeTxRollback(final ODatabase iDatabase);

	public void onAfterTxRollback(final ODatabase iDatabase);

	public void onBeforeTxCommit(final ODatabase iDatabase);

	public void onAfterTxCommit(final ODatabase iDatabase);

	public void onClose(final ODatabase iDatabase);

	/**
	 * Callback to decide if repair the database upon corruption.
	 * 
	 * @param iDatabase
	 *          Target database
	 * @param iReason
	 *          Reason of corruption
	 * @param iWhatWillbeFixed TODO
	 * @return true if repair must be done, otherwise false
	 */
	public boolean onCorruptionRepairDatabase(final ODatabase iDatabase, final String iReason, String iWhatWillbeFixed);
}
