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/*******************************************************************************
* Copyright (c) 2007, 2011 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.jpa.gen.internal.util;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jpt.jpa.db.Column;
import org.eclipse.jpt.jpa.db.ForeignKey;
import org.eclipse.jpt.jpa.db.Schema;
import org.eclipse.jpt.jpa.db.Table;
import org.eclipse.jpt.jpa.db.ForeignKey.ColumnPair;
/**
* Collection of utility methods to access DTP and other jpt.db APIs
*
*/
public class DTPUtil {
public static boolean isAutoIncrement(Column c){
//@ TODO
//Blocked by DTP bug
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=250023
//The Dali bug is
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=249658
//
return false;
}
/**
* Return list of fk
* @param dbTable
* @return
*/
public static List<ForeignKeyInfo> getForeignKeys(Table dbTable) {
List<ForeignKeyInfo> ret = new ArrayList<ForeignKeyInfo>();
if(dbTable!=null){
for (ForeignKey fk : dbTable.getForeignKeys()) {
Iterator<ColumnPair> columnPaires = fk.getColumnPairs().iterator();
ForeignKeyInfo fkInfo = null;
while( columnPaires.hasNext() ){
ColumnPair columnPair = columnPaires.next();
if( fkInfo == null){
String tableName = dbTable.getName();
String referencedTableName = "";
Table referencedTable = fk.getReferencedTable();
referencedTableName = referencedTable.getName();
fkInfo = new ForeignKeyInfo(fk, tableName, referencedTableName );
}
String baseColName = columnPair.getBaseColumn().getName();
String referencedColName = columnPair.getReferencedColumn().getName();
fkInfo.addColumnMapping( baseColName, referencedColName );
}
if( fkInfo !=null )
ret.add( fkInfo );
}
}
return ret;
}
public static String getJavaType(Column dbColumn) {
return dbColumn.isPartOfPrimaryKey() ?
dbColumn.getPrimaryKeyJavaTypeDeclaration() :
dbColumn.getJavaTypeDeclaration();
}
public static boolean isDefaultSchema(Table dbTable){
String schemaName = dbTable.getSchema().getName();
Schema defaultSchema = dbTable.getSchema().getDatabase().getDefaultSchema();
return defaultSchema.getName() == schemaName;
}
}
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