org.hibernate.criterion.CriteriaSpecification Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* 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
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*
*/
package org.hibernate.criterion;
import org.hibernate.transform.AliasToEntityMapResultTransformer;
import org.hibernate.transform.DistinctRootEntityResultTransformer;
import org.hibernate.transform.PassThroughResultTransformer;
import org.hibernate.transform.ResultTransformer;
import org.hibernate.transform.RootEntityResultTransformer;
/**
* @author Gavin King
*/
public interface CriteriaSpecification {
/**
* The alias that refers to the "root" entity of the criteria query.
*/
public static final String ROOT_ALIAS = "this";
/**
* Each row of results is a Map from alias to entity instance
*/
public static final ResultTransformer ALIAS_TO_ENTITY_MAP = AliasToEntityMapResultTransformer.INSTANCE;
/**
* Each row of results is an instance of the root entity
*/
public static final ResultTransformer ROOT_ENTITY = RootEntityResultTransformer.INSTANCE;
/**
* Each row of results is a distinct instance of the root entity
*/
public static final ResultTransformer DISTINCT_ROOT_ENTITY = DistinctRootEntityResultTransformer.INSTANCE;
/**
* This result transformer is selected implicitly by calling setProjection()
*/
public static final ResultTransformer PROJECTION = PassThroughResultTransformer.INSTANCE;
/**
* Specifies joining to an entity based on an inner join.
*/
public static final int INNER_JOIN = org.hibernate.sql.JoinFragment.INNER_JOIN;
/**
* Specifies joining to an entity based on a full join.
*/
public static final int FULL_JOIN = org.hibernate.sql.JoinFragment.FULL_JOIN;
/**
* Specifies joining to an entity based on a left outer join.
*/
public static final int LEFT_JOIN = org.hibernate.sql.JoinFragment.LEFT_OUTER_JOIN;
}