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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.persistence.hibernate;
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import java.util.Properties;
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import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;
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import org.hibernate.MappingException;
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import org.hibernate.service.ServiceRegistry;
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import org.hibernate.type.Type;
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/**
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* Subclass of the {@link org.hibernate.id.enhanced.TableGenerator} for the sole purpose to
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* allow overriding the {@link org.hibernate.id.enhanced.TableGenerator#OPT_PARAM} and
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* {@link org.hibernate.id.enhanced.TableGenerator#INITIAL_PARAM} for the testing environment
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* (in principle you can override any of the TableGenerator parameters).
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* Test data may not always contain the hibernate sequences table which often leads to problems
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* with existing primary key values when inserting new entities. This especially occurs when
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* running test in a suite.
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* To circumvent these problems you can set a global override for the high initial parameter which
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* is far beyond any id ever used in test data sets.
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* You may want to set this in your testing application context, eg:
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*
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*<pre>
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* <bean id="tableGeneratorGlobalOverride" class="eu.etaxonomy.cdm.persistence.hibernate.TableGeneratorGlobalOverride">
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* <property name="properties">
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* <props>
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* <!--
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* globally overriding id generation settings
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* see: eu.etaxonomy.cdm.persistence.hibernate.TableGenerator
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* -->
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* <prop key="optimizer">none</prop>
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* <prop key="initial_value">1000</prop>
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* </props>
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* </property>
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* </bean>
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*</pre>
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*
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* If you set the optimizer to "none", hibernate will always query the database for each new id.
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* You must tell spring to instantiate the ... before the session factory:
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*
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* <pre>
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* <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean" depends-on="tableGeneratorGlobalOverride">
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* ...
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* </pre>
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*
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* @author Andreas Kohlbecker, 2012
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*/
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//TODO this class has been moved to cdmlib-persistence preliminary. It should be moved to
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//cdmlib-test again as it should be used only in test. Currently this is not possible because
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//sessionFactory bean has a dependsOn relationship to this class and this creates problems in remote-webapp
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//as the been is not available.
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//see also TableGeneratorGlobalOverride
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public class TableGenerator extends org.hibernate.id.enhanced.TableGenerator {
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private static final Logger logger = LogManager.getLogger(TableGenerator.class);
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@Override
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public void configure(Type type, Properties params, ServiceRegistry serviceRegistry) throws MappingException {
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Properties overrideProperies = TableGeneratorGlobalOverride.getProperties();
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if(overrideProperies != null) {
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params.putAll(overrideProperies);
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}
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logger.debug("overrideProperies:" + (overrideProperies != null ? overrideProperies :"NULL"));
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super.configure(type, params, serviceRegistry);
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}
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}
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