private void buildTxClause(StringBuilder sb, String txsAlias) {
sb.append(txsAlias);
if (!OptionsUtil.isHistorical(getOptions())) {
sb.append(".tx_current = ");
sb.append(String.valueOf(TxChange.CURRENT.getValue()));
}
}
private void writeTxFilter(
String txsAlias, String artJoinAlias, StringBuilder sb, boolean areDeletedIncluded) {
// @formatter:off
/**
* ******************************************************************* The clause handling the
* inclusion of deleted items changes based on case note this applies to the 3 tables
* ARTIFACT_TABLE, ATTRIBUTE_TABLE, RELATION_TABLE case 1: No items allow deleted case 2: One
* table in query case 3: All tables that are in the query allow deleted case 4: More than one
* table with differing deletion flags
*/
// @formatter:on
boolean hasTable[] = {
hasAlias(TableEnum.ARTIFACT_TABLE),
hasAlias(TableEnum.ATTRIBUTE_TABLE),
hasAlias(TableEnum.RELATION_TABLE)
};
/**
* ******************************************************************** Allow deleted artifacts
* applies even if the artifact table is not in the query. The other two only make sense when
* the table is also used
*/
boolean areDeletedSame = true;
if (areDeletedIncluded) {
/**
* ****************************** there must be at least 2 table in the query for a difference
*/
int count = 0;
for (boolean add : hasTable) {
if (add) {
count++;
}
}
if (count > 1) {
boolean allowDeletedAtrifacts = OptionsUtil.areDeletedArtifactsIncluded(getOptions());
boolean allowDeletedAttributes = OptionsUtil.areDeletedAttributesIncluded(getOptions());
boolean allowDeletedRelations = OptionsUtil.areDeletedRelationsIncluded(getOptions());
areDeletedSame =
!((hasTable[0] && !allowDeletedAtrifacts)
|| (hasTable[1] && !allowDeletedAttributes)
|| (hasTable[2] && !allowDeletedRelations));
}
}
if (OptionsUtil.isHistorical(getOptions())) {
sb.append(txsAlias);
sb.append(".transaction_id <= ");
sb.append(artJoinAlias);
sb.append(".transaction_id");
if (!areDeletedIncluded) {
sb.append(" AND ");
sb.append(txsAlias);
sb.append(".mod_type");
sb.append(" != ");
sb.append(String.valueOf(ModificationType.DELETED.getValue()));
} else if (!areDeletedSame) {
sb.append(" AND ");
buildDeletedClause(sb, txsAlias);
}
} else {
if (areDeletedIncluded) {
if (areDeletedSame) {
sb.append(txsAlias);
sb.append(".tx_current");
sb.append(" IN (");
sb.append(String.valueOf(TxChange.CURRENT.getValue()));
sb.append(", ");
sb.append(String.valueOf(TxChange.DELETED.getValue()));
sb.append(", ");
sb.append(String.valueOf(TxChange.ARTIFACT_DELETED.getValue()));
sb.append(")");
} else {
buildDeletedClause(sb, txsAlias);
}
} else {
sb.append(txsAlias);
sb.append(".tx_current = ");
sb.append(String.valueOf(TxChange.CURRENT.getValue()));
}
}
}