public AbstractCubeTable getQueriedTable(String alias) {
if (cube != null && cube.getName().equalsIgnoreCase(qb.getTabNameForAlias((alias)))) {
return (AbstractCubeTable) cube;
}
for (Dimension dim : dimensions) {
if (dim.getName().equalsIgnoreCase(qb.getTabNameForAlias(alias))) {
return dim;
}
}
return null;
}
private boolean addJoinChain(String alias, boolean isOptional) throws LensException {
boolean retVal = false;
String aliasLowerCaseStr = alias.toLowerCase();
JoinChain joinchain = null;
if (getCube() != null) {
JoinChain chainByName = getCube().getChainByName(aliasLowerCaseStr);
if (chainByName != null) {
joinchain = chainByName;
retVal = true;
}
}
if (!retVal) {
for (Dimension table : dimensions) {
JoinChain chainByName = table.getChainByName(aliasLowerCaseStr);
if (chainByName != null) {
joinchain = chainByName;
retVal = true;
break;
}
}
}
if (retVal) {
joinchains.put(aliasLowerCaseStr, new JoinChain(joinchain));
String destTable = joinchain.getDestTable();
boolean added = addQueriedTable(alias, destTable, isOptional, true);
if (!added) {
log.info("Queried tables do not exist. Missing tables:{}", destTable);
throw new LensException(LensCubeErrorCode.NEITHER_CUBE_NOR_DIMENSION.getLensErrorInfo());
}
log.info("Added join chain for {}", destTable);
return true;
}
return retVal;
}
String getQBFromString(CandidateFact fact, Map<Dimension, CandidateDim> dimsToQuery)
throws LensException {
String fromString;
if (getJoinAST() == null) {
if (cube != null) {
if (dimensions.size() > 0) {
throw new LensException(LensCubeErrorCode.NO_JOIN_CONDITION_AVAILABLE.getLensErrorInfo());
}
fromString = fact.getStorageString(getAliasForTableName(cube.getName()));
} else {
if (dimensions.size() != 1) {
throw new LensException(LensCubeErrorCode.NO_JOIN_CONDITION_AVAILABLE.getLensErrorInfo());
}
Dimension dim = dimensions.iterator().next();
fromString = dimsToQuery.get(dim).getStorageString(getAliasForTableName(dim.getName()));
}
} else {
StringBuilder builder = new StringBuilder();
getQLString(qb.getQbJoinTree(), builder, fact, dimsToQuery);
fromString = builder.toString();
}
return fromString;
}