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SchemaCrawler is an open-source Java API that makes working with database metadata as easy as working with plain old Java objects. SchemaCrawler is also a database schema discovery and comprehension, and schema documentation tool. You can search for database schema objects using regular expressions, and output the schema and data in a readable text format. The output is designed to be diff-ed against other database schemas.
/*
*
* SchemaCrawler
* http://www.schemacrawler.com
* Copyright (c) 2000-2015, 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.schema;
import java.util.List;
/**
* Represents a table constraint.
*
* @author Sualeh Fatehi
*/
public interface TableConstraint
extends DependantObject, TypedObject,
DefinedObject
{
/**
* Gets the list of columns in ordinal order.
*
* @return Columns of the table constraint.
*/
List getColumns();
/**
* Gets the table constraint type.
*
* @return Table constraint type
*/
TableConstraintType getTableConstraintType();
@Override
default TableConstraintType getType()
{
return getTableConstraintType();
}
/**
* Whether the constraint is deferrable.
*
* @return Whether the constraint is deferrable
*/
boolean isDeferrable();
/**
* Whether the constraint is initially deferred.
*
* @return Whether the constraint is initially deferred
*/
boolean isInitiallyDeferred();
}
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