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InheritanceType.java
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InheritanceType.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* 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 General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.model.annotations;
/**
* Defines polymorphic loading strategy options for the {@link Inheritance} annotation.
* <p>
* The strategies are described in <a href="https://github.com/kbss-cvut/jopa/issues/1">https://github.com/kbss-cvut/jopa/issues/1</a>.
*/
public enum InheritanceType {
/**
* Instances are loading in two steps. First, types are loaded to determine which resulting type should be used,
* then the actual entity is loaded.
*/
TWO_STEP,
/**
* An attempt to load an entity is made. If the entity is abstract or the corresponding type is missing, actual type
* is determined from the loaded types and the missing attributes are loaded.
*/
TRY_FIRST
}