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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, 2013, Red Hat Inc. 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 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.envers.configuration.internal;
import java.util.Properties;
import org.hibernate.MappingException;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.boot.registry.classloading.spi.ClassLoadingException;
import org.hibernate.cfg.Environment;
import org.hibernate.dialect.HSQLDialect;
import org.hibernate.envers.RevisionListener;
import org.hibernate.envers.configuration.EnversSettings;
import org.hibernate.envers.internal.tools.ReflectionTools;
import org.hibernate.internal.util.config.ConfigurationHelper;
/**
* @author Adam Warski (adam at warski dot org)
* @author Nicolas Doroskevich
* @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
* @author Michal Skowronek (mskowr at o2 dot pl)
*/
public class GlobalConfiguration {
// Should a revision be generated when a not-owned relation field changes
private final boolean generateRevisionsForCollections;
// Should the optimistic locking property of an entity be considered unversioned
private final boolean doNotAuditOptimisticLockingField;
// Should entity data be stored when it is deleted
private final boolean storeDataAtDelete;
// The default name of the schema of audit tables.
private final String defaultSchemaName;
// The default name of the catalog of the audit tables.
private final String defaultCatalogName;
// Should Envers track (persist) entity names that have been changed during each revision.
private boolean trackEntitiesChangedInRevision;
// Revision listener class name.
private final Class revisionListenerClass;
// Should Envers use modified property flags by default
private boolean globalWithModifiedFlag;
// Indicates that user defined global behavior for modified flags feature
private boolean hasGlobalSettingForWithModifiedFlag;
// Suffix to be used for modified flags columns
private String modifiedFlagSuffix;
// Use revision entity with native id generator
private final boolean useRevisionEntityWithNativeId;
// While deleting revision entry, remove data of associated audited entities
private final boolean cascadeDeleteRevision;
// Support reused identifiers of previously deleted entities
private final boolean allowIdentifierReuse;
/*
Which operator to use in correlated subqueries (when we want a property to be equal to the result of
a correlated subquery, for example: e.p (select max(e2.p) where e2.p2 = e.p2 ...).
Normally, this should be "=". However, HSQLDB has an issue related to that, so as a workaround,
"in" is used. See {@link org.hibernate.envers.test.various.HsqlTest}.
*/
private final String correlatedSubqueryOperator;
public GlobalConfiguration(Properties properties, ClassLoaderService classLoaderService) {
generateRevisionsForCollections = ConfigurationHelper.getBoolean(
EnversSettings.REVISION_ON_COLLECTION_CHANGE, properties, true
);
doNotAuditOptimisticLockingField = ConfigurationHelper.getBoolean(
EnversSettings.DO_NOT_AUDIT_OPTIMISTIC_LOCKING_FIELD, properties, true
);
storeDataAtDelete = ConfigurationHelper.getBoolean( EnversSettings.STORE_DATA_AT_DELETE, properties, false );
defaultSchemaName = properties.getProperty( EnversSettings.DEFAULT_SCHEMA, null );
defaultCatalogName = properties.getProperty( EnversSettings.DEFAULT_CATALOG, null );
correlatedSubqueryOperator = HSQLDialect.class.getName()
.equals( properties.get( Environment.DIALECT ) ) ? "in" : "=";
trackEntitiesChangedInRevision = ConfigurationHelper.getBoolean(
EnversSettings.TRACK_ENTITIES_CHANGED_IN_REVISION, properties, false
);
cascadeDeleteRevision = ConfigurationHelper.getBoolean(
"org.hibernate.envers.cascade_delete_revision", properties, false );
useRevisionEntityWithNativeId = ConfigurationHelper.getBoolean(
EnversSettings.USE_REVISION_ENTITY_WITH_NATIVE_ID, properties, true
);
hasGlobalSettingForWithModifiedFlag = properties.get( EnversSettings.GLOBAL_WITH_MODIFIED_FLAG ) != null;
globalWithModifiedFlag = ConfigurationHelper.getBoolean(
EnversSettings.GLOBAL_WITH_MODIFIED_FLAG, properties, false
);
modifiedFlagSuffix = ConfigurationHelper.getString(
EnversSettings.MODIFIED_FLAG_SUFFIX, properties, "_MOD"
);
final String revisionListenerClassName = properties.getProperty( EnversSettings.REVISION_LISTENER, null );
if ( revisionListenerClassName != null ) {
try {
revisionListenerClass = ReflectionTools.loadClass( revisionListenerClassName, classLoaderService );
}
catch (ClassLoadingException e) {
throw new MappingException(
"Revision listener class not found: " + revisionListenerClassName + ".",
e
);
}
}
else {
revisionListenerClass = null;
}
allowIdentifierReuse = ConfigurationHelper.getBoolean(
EnversSettings.ALLOW_IDENTIFIER_REUSE, properties, false
);
}
public boolean isGenerateRevisionsForCollections() {
return generateRevisionsForCollections;
}
public boolean isDoNotAuditOptimisticLockingField() {
return doNotAuditOptimisticLockingField;
}
public String getCorrelatedSubqueryOperator() {
return correlatedSubqueryOperator;
}
public boolean isStoreDataAtDelete() {
return storeDataAtDelete;
}
public String getDefaultSchemaName() {
return defaultSchemaName;
}
public String getDefaultCatalogName() {
return defaultCatalogName;
}
public boolean isTrackEntitiesChangedInRevision() {
return trackEntitiesChangedInRevision;
}
public void setTrackEntitiesChangedInRevision(boolean trackEntitiesChangedInRevision) {
this.trackEntitiesChangedInRevision = trackEntitiesChangedInRevision;
}
public Class getRevisionListenerClass() {
return revisionListenerClass;
}
public boolean hasSettingForUsingModifiedFlag() {
return hasGlobalSettingForWithModifiedFlag;
}
public boolean isGlobalWithModifiedFlag() {
return globalWithModifiedFlag;
}
public String getModifiedFlagSuffix() {
return modifiedFlagSuffix;
}
public boolean isUseRevisionEntityWithNativeId() {
return useRevisionEntityWithNativeId;
}
public boolean isCascadeDeleteRevision() {
return cascadeDeleteRevision;
}
public boolean isAllowIdentifierReuse() {
return allowIdentifierReuse;
}
}
