public GlobalConfiguration(Properties properties) 
{
        String generateRevisionsForCollectionsStr = properties.getProperty("org.hibernate.envers.revisionOnCollectionChange",
                "true");
        generateRevisionsForCollections = Boolean.parseBoolean(generateRevisionsForCollectionsStr);
        String ignoreOptimisticLockingPropertyStr = properties.getProperty("org.hibernate.envers.doNotAuditOptimisticLockingField",
                "true");
        doNotAuditOptimisticLockingField = Boolean.parseBoolean(ignoreOptimisticLockingPropertyStr);
        correlatedSubqueryOperator = "org.hibernate.dialect.HSQLDialect".equals(
                properties.getProperty("hibernate.dialect")) ? "in" : "=";
}

 public String getCorrelatedSubqueryOperator() 
{
        return correlatedSubqueryOperator;
}

 public boolean isDoNotAuditOptimisticLockingField() 
{
        return doNotAuditOptimisticLockingField;
}

 public boolean isGenerateRevisionsForCollections() 
{
        return generateRevisionsForCollections;
}