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/*******************************************************************************
* Copyright (c) 2009 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.db.internal.vendor;
import java.util.ArrayList;
import org.eclipse.datatools.modelbase.sql.schema.Database;
import org.eclipse.jpt.utility.internal.StringTools;
class Sybase
extends AbstractVendor
{
private final String dtpVendorName;
static final Vendor ASA = new Sybase("Sybase_ASA"); //$NON-NLS-1$
static final Vendor ASE = new Sybase("Sybase_ASE"); //$NON-NLS-1$
static Vendor asa() {
return ASA;
}
static Vendor ase() {
return ASE;
}
/**
* Ensure only static instances.
*/
private Sybase(String dtpVendorName) {
super();
this.dtpVendorName = dtpVendorName;
}
@Override
public String getDTPVendorName() {
return this.dtpVendorName;
}
@Override
CatalogStrategy getCatalogStrategy() {
return SimpleCatalogStrategy.instance();
}
/**
* By default, Sybase identifiers are case-sensitive, even without
* delimiters. This can depend on the collation setting....
*/
@Override
FoldingStrategy getFoldingStrategy() {
return NonFoldingStrategy.instance();
}
/**
* Sybase will use the user-requested database; if that database is not
* found, it will default to 'master'.
*/
@Override
void addDefaultCatalogNamesTo(Database database, String userName, ArrayList<String> names) {
names.add(database.getName());
names.add(MASTER_CATALOG_NAME);
}
private static final String MASTER_CATALOG_NAME = "master"; //$NON-NLS-1$
/**
* The typical default schema on Sybase for any database (catalog) is
* 'dbo'.
*
* Actually, the default schema is more like a search path:
* The server looks for a schema object (e.g. a table) first in the user's
* schema, then it looks for the schema object in the database owner's
* schema (dbo). As a result, it's really not possible to specify
* the "default" schema without knowing the schema object we are
* looking for.
*
* (Note: the current 'user' is not the same thing as the current
* 'login' - see sp_adduser and sp_addlogin; so we probably can't
* use ConnectionProfile#getUserName().)
*/
@Override
void addDefaultSchemaNamesTo(Database database, String userName, ArrayList<String> names) {
names.add(DEFAULT_SCHEMA_NAME);
}
private static final String DEFAULT_SCHEMA_NAME = "dbo"; //$NON-NLS-1$
@Override
char[] getExtendedRegularNameStartCharacters() {
return EXTENDED_REGULAR_NAME_START_CHARACTERS;
}
private static final char[] EXTENDED_REGULAR_NAME_START_CHARACTERS = new char[] { '_', '@' };
@Override
char[] getExtendedRegularNamePartCharacters() {
return EXTENDED_REGULAR_NAME_PART_CHARACTERS;
}
private static final char[] EXTENDED_REGULAR_NAME_PART_CHARACTERS = new char[] { '$', '¥', '£', '#' };
/**
* By default, Sybase delimits identifiers with brackets ([]); but it
* can also be configured to use double-quotes.
*/
@Override
boolean identifierIsDelimited(String identifier) {
return StringTools.stringIsBracketed(identifier)
|| super.identifierIsDelimited(identifier);
}
}
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