ewe.database
Interface DatabaseMaker

public interface DatabaseMaker

Method Summary

boolean	canOpenForWriting(File name)
boolean	canOpenForWriting(String name)
boolean	databaseExists(File name)
boolean	databaseExists(String name)
boolean	databaseIsValid(File name)
boolean	databaseIsValid(String name)
Database	openDatabase(File name, String mode) This should open the specified database.
Database	openDatabase(File name, String mode, boolean ignoreInconsistentState) This should open the specified database.
Database	openDatabase(String name, String mode) This should open the specified database.
Database	openDatabase(String name, String mode, boolean ignoreInconsistentState) This should open the specified database.

Method Detail

openDatabase

public Database openDatabase(String name,
                             String mode)
                      throws IOException

This should open the specified database. If mode is "rw" and the Database does not exist, it should create it and initialize it as being empty.

Parameters:

name - The name for the database (either with our without a file extension).

mode - The mode for opening, either "r" or "rw" or "a".

Returns:

The open Database.

Throws:

IOException - if the database was not found or could not be opened or initialized.

openDatabase

public Database openDatabase(File name,
                             String mode)
                      throws IOException

This should open the specified database. If mode is "rw" and the Database does not exist, it should create it and initialize it as being empty.

Parameters:

name - A File object referring to the Database (either with our without a file extension).

mode - The mode for opening, either "r" or "rw".

Returns:

The open Database.

Throws:

IOException - if the database was not found or could not be opened or initialized.

openDatabase

public Database openDatabase(String name,
                             String mode,
                             boolean ignoreInconsistentState)
                      throws IOException

This should open the specified database. If mode is "rw" and the Database does not exist, it should create it and initialize it as being empty.

Parameters:

name - The name for the database (either with our without a file extension).

mode - The mode for opening, either "r" or "rw" or "a".

Returns:

The open Database.

Throws:

IOException - if the database was not found or could not be opened or initialized.

openDatabase

public Database openDatabase(File name,
                             String mode,
                             boolean ignoreInconsistentState)
                      throws IOException

This should open the specified database. If mode is "rw" and the Database does not exist, it should create it and initialize it as being empty.

Parameters:

name - A File object referring to the Database (either with our without a file extension).

mode - The mode for opening, either "r" or "rw".

Returns:

The open Database.

Throws:

IOException - if the database was not found or could not be opened or initialized.

databaseExists

public boolean databaseExists(String name)

databaseExists

public boolean databaseExists(File name)

databaseIsValid

public boolean databaseIsValid(String name)

databaseIsValid

public boolean databaseIsValid(File name)

canOpenForWriting

public boolean canOpenForWriting(String name)

canOpenForWriting

public boolean canOpenForWriting(File name)