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package javax.persistence;

/**
 * Thrown by the persistence provider when {@link EntityManager#persist(Object) 
 * EntityManager.persist(Object)} is called and the entity
 * already exists. The current transaction, if one is active, 
 * will be marked for rollback.
 *
 * @see javax.persistence.EntityManager#persist(Object)
 *
 * @since Java Persistence 1.0
 */
public class EntityExistsException extends PersistenceException {
	
        /** 
         * Constructs a new <code>EntityExistsException</code> exception 
         * with <code>null</code> as its detail message.
         */
	public EntityExistsException() {
		super();
	}

        /** 
         * Constructs a new <code>EntityExistsException</code> exception 
         * with the specified detail message.
         * @param   message   the detail message.
         */
	public EntityExistsException(String message) {
		super(message);
	}

        /** 
         * Constructs a new <code>EntityExistsException</code> exception 
         * with the specified detail message and cause.
         * @param   message   the detail message.
         * @param   cause     the cause.
         */
	public EntityExistsException(String message, Throwable cause) {
		super(message, cause);
	}
	
        /** 
         * Constructs a new <code>EntityExistsException</code> exception 
         * with the specified cause.
         * @param   cause     the cause.
         */
	public EntityExistsException(Throwable cause) {
		super(cause);
	}
};