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/*******************************************************************************
* Copyright (c) 2008 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;
import org.eclipse.jpt.utility.JavaType;
/**
* Database column
*
* Provisional API: This interface is part of an interim API that is still
* under development and expected to change significantly before reaching
* stability. It is available at this early stage to solicit feedback from
* pioneering adopters on the understanding that any code that uses this API
* will almost certainly be broken (repeatedly) as the API evolves.
*
* This interface is not intended to be implemented by clients.
*/
public interface Column
extends DatabaseObject, Comparable<Column>
{
/**
* Return the column's table.
*/
Table getTable();
/**
* Return whether the column is part of it's table's primary key.
*/
boolean isPrimaryKeyColumn();
/**
* Return whether the column is part of one of it's table's foreign keys.
*/
boolean isForeignKeyColumn();
/**
* Return the name of the column's datatype.
*/
String getDataTypeName();
/**
* Return whether the column's datatype is a LOB type
* (i.e. BLOB, CLOB, or NCLOB).
*/
boolean dataTypeIsLOB();
// ********** Java type **********
/**
* Return a Java type declaration that is reasonably
* similar to the column's data type.
*/
String getJavaTypeDeclaration();
/**
* Return a Java type that is reasonably
* similar to the column's data type.
*/
JavaType getJavaType();
/**
* Return a Java type declaration that is reasonably
* similar to the column's data type and suitable for use as a
* primary key field.
*/
String getPrimaryKeyJavaTypeDeclaration();
/**
* Return a Java type that is reasonably
* similar to the column's data type and suitable for use as a
* primary key field.
*/
JavaType getPrimaryKeyJavaType();
}
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