/*
*
* SchemaCrawler
* http://sourceforge.net/projects/schemacrawler
* Copyright (c) 2000-2013, Sualeh Fatehi.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
package schemacrawler.tools.linter;
import java.util.ArrayList;
import java.util.List;
import schemacrawler.schema.Column;
import schemacrawler.schema.ForeignKey;
import schemacrawler.schema.ForeignKeyColumnReference;
import schemacrawler.schema.Table;
import schemacrawler.schema.View;
import schemacrawler.tools.lint.BaseLinter;
import schemacrawler.tools.lint.LintSeverity;
public class LinterForeignKeyMismatch
extends BaseLinter
{
public LinterForeignKeyMismatch()
{
setSeverity(LintSeverity.high);
}
@Override
public String getDescription()
{
return getSummary();
}
@Override
public String getSummary()
{
return "foreign key and primary key have different data types";
}
@Override
protected void lint(final Table table)
{
if (table == null)
{
throw new IllegalArgumentException("No table provided");
}
final List<ForeignKey> mismatchedForeignKeys = findMismatchedForeignKeys(table);
for (final ForeignKey foreignKey: mismatchedForeignKeys)
{
addLint(table, getSummary(), foreignKey);
}
}
private List<ForeignKey> findMismatchedForeignKeys(final Table table)
{
final List<ForeignKey> mismatchedForeignKeys = new ArrayList<>();
if (table != null && !(table instanceof View))
{
for (final ForeignKey foreignKey: table.getImportedForeignKeys())
{
for (final ForeignKeyColumnReference columnReference: foreignKey
.getColumnReferences())
{
final Column pkColumn = columnReference.getPrimaryKeyColumn();
final Column fkColumn = columnReference.getForeignKeyColumn();
if (!pkColumn.getColumnDataType()
.equals(fkColumn.getColumnDataType())
|| pkColumn.getSize() != fkColumn.getSize())
{
mismatchedForeignKeys.add(foreignKey);
break;
}
}
}
}
return mismatchedForeignKeys;
}
}