protected AbstractADODiffStorage(AbstractADODataModel dataModel,
String getDiffSQL,
String getDiffsSQL,
String getAverageItemPrefSQL,
String[] updateDiffSQLs,
String[] removeDiffSQLs,
String getRecommendableItemsSQL,
String deleteDiffsSQL,
String createDiffsSQL,
String diffsExistSQL,
int minDiffCount)
{
if (dataModel == null)
{
throw new ArgumentNullException("dataModel is null");
}
if (minDiffCount < 0)
{
throw new ArgumentException("minDiffCount is not positive");
}
this.dataModel = dataModel;
this.getDiffSQL = getDiffSQL;
this.getDiffsSQL = getDiffsSQL;
this.getAverageItemPrefSQL = getAverageItemPrefSQL;
this.updateDiffSQLs = updateDiffSQLs;
this.removeDiffSQLs = removeDiffSQLs;
this.getRecommendableItemsSQL = getRecommendableItemsSQL;
this.deleteDiffsSQL = deleteDiffsSQL;
this.createDiffsSQL = createDiffsSQL;
this.diffsExistSQL = diffsExistSQL;
this.minDiffCount = minDiffCount;
this.refreshLock = new ReentrantLock();
if (IsDiffsExist())
{
log.Info("Diffs already exist in database; using them instead of recomputing");
}
else
{
log.Info("No diffs exist in database; recomputing...");
BuildAverageDiffs();
}
}
protected AbstractADODiffStorage(AbstractADODataModel dataModel,
String getDiffSQL,
String getDiffsSQL,
String getAverageItemPrefSQL,
String[] updateDiffSQLs,
String[] removeDiffSQLs,
String getRecommendableItemsSQL,
String deleteDiffsSQL,
String createDiffsSQL,
String diffsExistSQL,
int minDiffCount)
{
if (dataModel == null)
{
throw new ArgumentNullException("dataModel is null");
}
if (minDiffCount < 0)
{
throw new ArgumentException("minDiffCount is not positive");
}
this.dataModel = dataModel;
this.getDiffSQL = getDiffSQL;
this.getDiffsSQL = getDiffsSQL;
this.getAverageItemPrefSQL = getAverageItemPrefSQL;
this.updateDiffSQLs = updateDiffSQLs;
this.removeDiffSQLs = removeDiffSQLs;
this.getRecommendableItemsSQL = getRecommendableItemsSQL;
this.deleteDiffsSQL = deleteDiffsSQL;
this.createDiffsSQL = createDiffsSQL;
this.diffsExistSQL = diffsExistSQL;
this.minDiffCount = minDiffCount;
this.refreshLock = new ReentrantLock();
if (IsDiffsExist())
{
log.Info("Diffs already exist in database; using them instead of recomputing");
}
else
{
log.Info("No diffs exist in database; recomputing...");
BuildAverageDiffs();
}
}
