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/*
* 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
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.configuration;
import java.util.Properties;
import org.hibernate.MappingException;
import org.hibernate.envers.RevisionListener;
import static org.hibernate.envers.tools.Tools.getProperty;
/**
* @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 {
public static final String GLOBAL_WITH_MODIFIED_FLAG_PROPERTY = "org.hibernate.envers.global_with_modified_flag";
public static final String MODIFIED_FLAG_SUFFIX_PROPERTY = "org.hibernate.envers.modified_flag_suffix";
public static final String DEFAULT_MODIFIED_FLAG_SUFFIX = "_MOD";
// 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 trackEntitiesChangedInRevisionEnabled;
// 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;
/*
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) {
String generateRevisionsForCollectionsStr = getProperty(properties,
"org.hibernate.envers.revision_on_collection_change",
"org.hibernate.envers.revisionOnCollectionChange",
"true");
generateRevisionsForCollections = Boolean.parseBoolean(generateRevisionsForCollectionsStr);
String ignoreOptimisticLockingPropertyStr = getProperty(properties,
"org.hibernate.envers.do_not_audit_optimistic_locking_field",
"org.hibernate.envers.doNotAuditOptimisticLockingField",
"true");
doNotAuditOptimisticLockingField = Boolean.parseBoolean(ignoreOptimisticLockingPropertyStr);
String storeDataDeletedEntityStr = getProperty(properties,
"org.hibernate.envers.store_data_at_delete",
"org.hibernate.envers.storeDataAtDelete",
"false");
storeDataAtDelete = Boolean.parseBoolean(storeDataDeletedEntityStr);
defaultSchemaName = properties.getProperty("org.hibernate.envers.default_schema", null);
defaultCatalogName = properties.getProperty("org.hibernate.envers.default_catalog", null);
correlatedSubqueryOperator = "org.hibernate.dialect.HSQLDialect".equals(
properties.getProperty("hibernate.dialect")) ? "in" : "=";
String trackEntitiesChangedInRevisionEnabledStr = getProperty(properties,
"org.hibernate.envers.track_entities_changed_in_revision",
"org.hibernate.envers.track_entities_changed_in_revision",
"false");
trackEntitiesChangedInRevisionEnabled = Boolean.parseBoolean(trackEntitiesChangedInRevisionEnabledStr);
hasGlobalSettingForWithModifiedFlag =
properties.getProperty(GLOBAL_WITH_MODIFIED_FLAG_PROPERTY) != null;
String usingModifiedFlagStr = getProperty(properties,
GLOBAL_WITH_MODIFIED_FLAG_PROPERTY,
GLOBAL_WITH_MODIFIED_FLAG_PROPERTY,
"false");
globalWithModifiedFlag = Boolean.parseBoolean(usingModifiedFlagStr);
modifiedFlagSuffix =
getProperty(properties, MODIFIED_FLAG_SUFFIX_PROPERTY,
MODIFIED_FLAG_SUFFIX_PROPERTY,
DEFAULT_MODIFIED_FLAG_SUFFIX);
String revisionListenerClassName = properties.getProperty("org.hibernate.envers.revision_listener", null);
if (revisionListenerClassName != null) {
try {
revisionListenerClass = (Class) Thread.currentThread().getContextClassLoader().loadClass(revisionListenerClassName);
} catch (ClassNotFoundException e) {
throw new MappingException("Revision listener class not found: " + revisionListenerClassName + ".", e);
}
} else {
revisionListenerClass = null;
}
}
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 isTrackEntitiesChangedInRevisionEnabled() {
return trackEntitiesChangedInRevisionEnabled;
}
public void setTrackEntitiesChangedInRevisionEnabled(boolean trackEntitiesChangedInRevisionEnabled) {
this.trackEntitiesChangedInRevisionEnabled = trackEntitiesChangedInRevisionEnabled;
}
public Class getRevisionListenerClass() {
return revisionListenerClass;
}
public boolean hasSettingForUsingModifiedFlag() {
return hasGlobalSettingForWithModifiedFlag;
}
public boolean isGlobalWithModifiedFlag() {
return globalWithModifiedFlag;
}
public String getModifiedFlagSuffix() {
return modifiedFlagSuffix;
}
}