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51 lines
1.7 KiB
51 lines
1.7 KiB
/* |
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* Copyright (c) 2008, 2009, 2011 Oracle, Inc. All rights reserved. |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 |
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* which accompanies this distribution. The Eclipse Public License is available |
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* at http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License |
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* is available at http://www.eclipse.org/org/documents/edl-v10.php. |
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*/ |
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package com.fr.third.javax.persistence; |
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/** |
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* Type for query parameter objects. |
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* @param <T> the type of the parameter |
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* |
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* @see Query |
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* @see TypedQuery |
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* |
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* @since Java Persistence 2.0 |
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*/ |
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public interface Parameter<T> { |
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/** |
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* Return the parameter name, or null if the parameter is |
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* not a named parameter or no name has been assigned. |
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* @return parameter name |
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*/ |
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String getName(); |
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/** |
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* Return the parameter position, or null if the parameter |
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* is not a positional parameter. |
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* @return position of parameter |
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*/ |
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Integer getPosition(); |
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/** |
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* Return the Java type of the parameter. Values bound to the |
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* parameter must be assignable to this type. |
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* This method is required to be supported for criteria queries |
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* only. Applications that use this method for Java |
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* Persistence query language queries and native queries will |
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* not be portable. |
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* @return the Java type of the parameter |
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* @throws IllegalStateException if invoked on a parameter |
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* obtained from a Java persistence query language |
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* query or native query when the implementation does |
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* not support this use |
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*/ |
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Class<T> getParameterType(); |
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}
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