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/*******************************************************************************
* Copyright (c) 2006, 2007 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;
import java.text.Collator;
import java.util.Iterator;
import java.util.Set;
import org.eclipse.jpt.utility.internal.StringTools;
import org.eclipse.jpt.utility.internal.iterators.TransformationIterator;
/**
* Database wrapper base class.
*/
public abstract class Database extends DTPWrapper implements Comparable<Database> {
private boolean caseSensitive = false; // TODO allow user to configure
// ********** constructors **********
static Database createDatabase( ConnectionProfile profile, org.eclipse.datatools.modelbase.sql.schema.Database dtpDatabase) {
return ( dtpDatabase == null) ? NullDatabase.instance() : new DTPDatabaseWrapper( profile, dtpDatabase);
}
Database() {
super();
}
// ********** behavior **********
abstract void catalogChanged( Catalog catalog, int eventType);
abstract void schemaChanged( Schema schema, int eventType);
abstract void tableChanged( Table table, Schema schema, int eventType);
abstract void refresh();
protected Schema wrap( org.eclipse.datatools.modelbase.sql.schema.Schema schema) {
return new Schema( this, schema);
}
protected Catalog wrap( org.eclipse.datatools.modelbase.sql.schema.Catalog catalog) {
return new Catalog( this, catalog);
}
// ********** queries **********
public abstract String getVendor();
public abstract String getVersion();
/**
* return the column for the specified dtp column
*/
Column column( org.eclipse.datatools.modelbase.sql.tables.Column dtpColumn) {
return this.table( dtpColumn.getTable()).column( dtpColumn);
}
/**
* return the table for the specified dtp table
*/
Table table( org.eclipse.datatools.modelbase.sql.tables.Table dtpTable) {
return this.schema( dtpTable.getSchema()).table( dtpTable);
}
// ********** Comparable implementation **********
public int compareTo( Database database) {
return Collator.getInstance().compare( this.getName(), database.getName());
}
// ***** caseSensitive
public boolean isCaseSensitive() {
return this.caseSensitive;
}
public void setCaseSensitive( boolean caseSensitive) {
this.caseSensitive = caseSensitive;
}
// ***** catalogs
abstract Set<Catalog> getCatalogs();
/**
* Returns true if this database accepts catalogs.
*/
public abstract boolean supportsCatalogs();
/**
* Returns the catalog to use by default.
*/
public abstract String getDefaultCatalogName();
public Iterator<Catalog> catalogs() {
return this.getCatalogs().iterator();
}
public int catalogSize() {
return this.getCatalogs().size();
}
public Iterator<String> catalogNames() {
return new TransformationIterator<Catalog, String>( this.catalogs()) {
@Override
protected String transform( Catalog catalog) {
return catalog.getName();
}
};
}
public boolean containsCatalogNamed( String name) {
return this.catalogNamed( name) != null;
}
public Catalog catalogNamed( String name) {
return this.isCaseSensitive() ? this.catalogNamedInternal( name) : this.catalogNamedIgnoreCase( name);
}
private Catalog catalogNamedInternal( String name) {
for ( Iterator<Catalog> stream = this.catalogs(); stream.hasNext(); ) {
Catalog catalog = stream.next();
if ( catalog.getName().equals( name)) {
return catalog;
}
}
return null;
}
private Catalog catalogNamedIgnoreCase( String name) {
for ( Iterator<Catalog> stream = this.catalogs(); stream.hasNext(); ) {
Catalog catalog = stream.next();
if ( StringTools.stringsAreEqualIgnoreCase( catalog.getName(), name)) {
return catalog;
}
}
return null;
}
/**
* return the catalog for the specified dtp catalog
*/
Catalog catalog( org.eclipse.datatools.modelbase.sql.schema.Catalog dtpCatalog) {
for ( Iterator<Catalog> stream = this.catalogs(); stream.hasNext(); ) {
Catalog catalog = stream.next();
if (catalog.wraps( dtpCatalog)) {
return catalog;
}
}
throw new IllegalArgumentException( "invalid dtp catalog: " + dtpCatalog);
}
// ***** schemata
abstract Set<Schema> getSchemata();
public Iterator<Schema> schemata() {
return this.getSchemata().iterator();
}
public int schemataSize() {
return this.getSchemata().size();
}
public boolean schemataContains( Column column) {
return this.getSchemata().contains( column);
}
public Iterator<String> schemaNames() {
return new TransformationIterator<Schema, String>( this.schemata()) {
@Override
protected String transform( Schema schema) {
return schema.getName();
}
};
}
public boolean containsSchemaNamed( String name) {
return this.schemaNamed( name) != null;
}
public Schema schemaNamed( String name) {
return this.isCaseSensitive() ? this.schemaNamedInternal( name) : this.schemaNamedIgnoreCase( name);
}
private Schema schemaNamedInternal( String name) {
for ( Iterator<Schema> stream = this.schemata(); stream.hasNext(); ) {
Schema schema = stream.next();
if ( schema.getName().equals( name)) {
return schema;
}
}
return null;
}
private Schema schemaNamedIgnoreCase( String name) {
for ( Iterator<Schema> stream = this.schemata(); stream.hasNext(); ) {
Schema schema = stream.next();
if ( StringTools.stringsAreEqualIgnoreCase( schema.getName(), name)) {
return schema;
}
}
return null;
}
/**
* return the schema for the specified dtp schema
*/
Schema schema( org.eclipse.datatools.modelbase.sql.schema.Schema dtpSchema) {
for ( Iterator<Schema> stream = this.schemata(); stream.hasNext(); ) {
Schema schema = stream.next();
if ( schema.wraps( dtpSchema)) {
return schema;
}
}
throw new IllegalArgumentException( "invalid dtp schema: " + dtpSchema);
}
}
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