IOBase.java :  » Database-DBMS » JODB » com » mobixess » jodb » core » io » Java Open Source

/*
Copyright (C) 2007  Mobixess Inc. http://www.java-objects-database.com

This file is part of the JODB (Java Objects Database) open source project.

JODB is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation.

JODB is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. 
*/
package com.mobixess.jodb.core.io;

import java.io.IOException;
import java.io.PrintStream;
import java.lang.reflect.Field;
import java.net.URI;
import java.util.concurrent.locks.ReentrantReadWriteLock;

import com.mobixess.jodb.core.IDatabaseStatistics;
import com.mobixess.jodb.core.IPersistentObjectStatistics;
import com.mobixess.jodb.core.IllegalClassTypeException;
import com.mobixess.jodb.core.JodbIOException;
import com.mobixess.jodb.core.index.JODBIndexingRootAgent;
import com.mobixess.jodb.core.query.QueryNode;
import com.mobixess.jodb.core.transaction.JODBQueryList;
import com.mobixess.jodb.core.transaction.JODBSession;
import com.mobixess.jodb.core.transaction.TransactionContainer;

public interface IOBase {
    void close() throws IOException;

    boolean isNewDatabase();

    boolean isClosed() throws IOException;

    IDatabaseStatistics getDatabaseStatistics() throws IOException;

    long getFirstObjectOffset() throws IOException;

    long[] getForAllObjects(IOTicket ioTicket) throws IOException;

    void applyTransaction(TransactionContainer transactionContainer,
            JODBSession session, IOTicket writeTicket,
            JODBIndexingRootAgent indexingRootAgent) throws IOException;

    IPersistentObjectStatistics getPersistenceStatistics(long offset,
            JODBSession session) throws IOException;

    int getClassTypeSubstitutionID(String classType) throws JodbIOException;

    int getOrSetClassTypeSubstitutionID(Class clazz) throws IOException;

    int getOrSetClassTypeSubstitutionID(String classType) throws IOException;

    int getOrSetFieldSubstitutionID(Field field);

    int getFieldSubstitutionID(Field field);

    String getFullFieldNameForID(int id) throws IOException;

    String getSimpleFieldNameForID(int id) throws IOException;

    String getClassTypeForID(int id) throws JodbIOException;

    String getPrefixForID(int id) throws IOException;

    IOTicket getIOTicket(boolean read, boolean write) throws IOException;

    URI getDbIdentificator();
    
    void printFileMap(JODBSession session, PrintStream printStream) throws IOException;
    
    ReentrantReadWriteLock getTransactionLock();
    
    JODBQueryList executeQuery(QueryNode query) throws IOException, IllegalClassTypeException;
    
    //long getTransactionOffset();
}