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  /*
   * Copyright (c) 2008, 2009 Sun Microsystems. All rights reserved.
   *
   * This program and the accompanying materials are made available under the
   * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
   * which accompanies this distribution.
   * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
   * and the Eclipse Distribution License is available at
   * http://www.eclipse.org/org/documents/edl-v10.php.
  *
  * Contributors:
  *     Linda DeMichiel - Java Persistence 2.0 - Version 2.0 (October 1, 2009)
  *     Specification available from http://jcp.org/en/jsr/detail?id=317
  */
 
 // $Id: Attribute.java 20957 2011-06-13 09:58:51Z stliu $
 
 package javax.persistence.metamodel;

Represents an attribute of a Java type.

Parameters:
<X> The represented type that contains the attribute
<Y> The type of the represented attribute
Since:
Java Persistence 2.0
 
 public interface Attribute<X, Y> {
 	public static enum PersistentAttributeType {
Many-to-one association
 
 		MANY_TO_ONE,

One-to-one association
 
 		ONE_TO_ONE,

Basic attribute
 
 		BASIC,

Embeddable class attribute
 
 		EMBEDDED,

Many-to-many association
 
 		MANY_TO_MANY,

One-to-many association
 
 		ONE_TO_MANY,

Element collection
 
 		ELEMENT_COLLECTION
 	}

Return the name of the attribute.

Returns:
name
 
Return the persistent attribute type for the attribute.

Returns:
persistent attribute type
 
Return the managed type representing the type in which the attribute was declared.

Returns:
declaring type
 
Return the Java type of the represented attribute.

Returns:
Java type
 
 
 //	/**
 //	 * Return the <code>java.lang.reflect.Member</code> for the represented
 //	 * attribute.
 //	 *
 //	 * @return corresponding <code>java.lang.reflect.Member</code>
 //	 */
//	java.lang.reflect.Member getJavaMember();
Is the attribute an association.

Returns:
boolean indicating whether the attribute corresponds to an association
	boolean isAssociation();

Is the attribute collection-valued (represents a Collection, Set, List, or Map).

Returns:
boolean indicating whether the attribute is collection-valued
	boolean isCollection();
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