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Hibernate example source code file (CastFunction.java)
The Hibernate CastFunction.java source code/* * Hibernate, Relational Persistence for Idiomatic Java * * Copyright (c) 2009 by Red Hat Inc and/or its affiliates or by * third-party contributors as indicated by either @author tags or express * copyright attribution statements applied by the authors. All * third-party contributions are distributed under license by Red Hat Inc. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ package org.hibernate.ejb.criteria.expression.function; import java.io.Serializable; import org.hibernate.ejb.criteria.CriteriaBuilderImpl; import org.hibernate.ejb.criteria.CriteriaQueryCompiler; import org.hibernate.ejb.criteria.ParameterRegistry; import org.hibernate.ejb.criteria.expression.ExpressionImpl; /** * Models a <tt>CAST function. * * @param <T> The cast result type. * @param <Y> The type of the expression to be cast. * * @author Steve Ebersole */ public class CastFunction<T,Y> extends BasicFunctionExpression<T> implements FunctionExpression<T>, Serializable { public static final String CAST_NAME = "cast"; private final ExpressionImpl<Y> castSource; public CastFunction( CriteriaBuilderImpl criteriaBuilder, Class<T> javaType, ExpressionImpl<Y> castSource) { super( criteriaBuilder, javaType, CAST_NAME ); this.castSource = castSource; } public ExpressionImpl<Y> getCastSource() { return castSource; } @Override public void registerParameters(ParameterRegistry registry) { Helper.possibleParameter( getCastSource(), registry ); } @Override public String render(CriteriaQueryCompiler.RenderingContext renderingContext) { return CAST_NAME + '(' + castSource.render( renderingContext ) + " as " + renderingContext.getCastType( getJavaType() ) + ')'; } } Other Hibernate examples (source code examples)Here is a short list of links related to this Hibernate CastFunction.java source code file: |
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