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56 lines
1.5 KiB
56 lines
1.5 KiB
7 years ago
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/*
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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.metamodel;
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/**
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* Instances of the type <code>Bindable</code> represent object or attribute types
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* that can be bound into a {@link com.fr.third.javax.persistence.criteria.Path Path}.
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*
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* @param <T> The type of the represented object or attribute
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* @since Java Persistence 2.0
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*/
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public interface Bindable<T> {
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public static enum BindableType {
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/**
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* Single-valued attribute type
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*/
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SINGULAR_ATTRIBUTE,
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/**
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* Multi-valued attribute type
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*/
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PLURAL_ATTRIBUTE,
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/**
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* Entity type
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*/
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ENTITY_TYPE
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}
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/**
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* Return the bindable type of the represented object.
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*
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* @return bindable type
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*/
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BindableType getBindableType();
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/**
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* Return the Java type of the represented object.
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* If the bindable type of the object is <code>PLURAL_ATTRIBUTE</code>,
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* the Java element type is returned. If the bindable type is
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* <code>SINGULAR_ATTRIBUTE</code> or <code>ENTITY_TYPE</code>,
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* the Java type of the
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* represented entity or attribute is returned.
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*
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* @return Java type
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*/
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Class<T> getBindableJavaType();
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}
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