it.unibz.inf.ontop.dbschema

Class QuotedID

java.lang.Object

it.unibz.inf.ontop.dbschema.QuotedID

public class QuotedID
extends Object

Database identifier used for schema names, table names and aliases

An identifier can be in quotation marks (to preserve the case etc.). Quotation, however, is ignored when identifiers are compared

Author:

Roman Kontchakov

Field Summary

Fields

Modifier and Type	Field and Description
static QuotedID	EMPTY_ID
static String	NO_QUOTATION

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	QuotedID(String id, String quoteString) (used only in QuotedIDFactory implementations)
protected	QuotedID(String id, String quoteString, boolean caseSensitive)

Method Summary

Modifier and Type	Method and Description
static QuotedID	createIdFromDatabaseRecord(QuotedIDFactory idfac, String s) creates attribute ID from the database record (as though it is a quoted name)
boolean	equals(Object obj) compares two identifiers ignoring quotation
String	getName() returns the identifier (stripped of quotation marks)
String	getSQLRendering() returns SQL rendering of the identifier, in quotes, if necessary
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

NO_QUOTATION

public static final String NO_QUOTATION

See Also:

Constant Field Values

EMPTY_ID

public static final QuotedID EMPTY_ID

Constructor Detail

QuotedID

protected QuotedID(String id,
                   String quoteString)

(used only in QuotedIDFactory implementations)

Parameters:

id - can be null

quoteString - cannot be null (the empty string stands for no quotation, as in getIdentifierQuoteString)

QuotedID

protected QuotedID(String id,
                   String quoteString,
                   boolean caseSensitive)

Method Detail

createIdFromDatabaseRecord

public static QuotedID createIdFromDatabaseRecord(QuotedIDFactory idfac,
                                                  String s)

creates attribute ID from the database record (as though it is a quoted name)

Parameters:

s -

Returns:

getName

public String getName()

returns the identifier (stripped of quotation marks)

Returns:

identifier without quotation marks (for comparison etc.)

getSQLRendering

public String getSQLRendering()

returns SQL rendering of the identifier, in quotes, if necessary

Returns:

identifier possibly in quotes

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

compares two identifiers ignoring quotation

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object