edu.berkeley.cs186.database

Class Database

java.lang.Object

edu.berkeley.cs186.database.Database

public class Database
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	Database.Transaction

Constructor Summary

Constructors

Constructor and Description
Database(String fileDir) Creates a new database.

Method Summary

Methods

Modifier and Type	Method and Description
Database.Transaction	beginTransaction() Start a new transaction.
void	close() Close this database.
void	createTable(Schema s, String tableName) Create a new table in this database.
void	deleteAllTables() Delete all tables from this database.
boolean	deleteTable(String tableName) Delete a table in this database.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Database

public Database(String fileDir)
         throws DatabaseException

Creates a new database.

Parameters:

fileDir - the directory to put the table files in

Throws:

DatabaseException

Method Detail

createTable

public void createTable(Schema s,
               String tableName)
                 throws DatabaseException

Create a new table in this database.

Parameters:

s - the table schema

tableName - the name of the table

Throws:

DatabaseException

deleteTable

public boolean deleteTable(String tableName)

Delete a table in this database.

Parameters:

tableName - the name of the table

Returns:

true if the database was successfully deleted

deleteAllTables

public void deleteAllTables()

Delete all tables from this database.

close

public void close()

Close this database.

beginTransaction

public Database.Transaction beginTransaction()

Start a new transaction.

Returns:

the new Transaction