/** Generate a select list of columns containing all properties of the entity classes */
protected final String selectString(List associations) throws MappingException {
if (associations.size() == 0) {
return "";
} else {
StringBuilder buf = new StringBuilder(associations.size() * 100);
int entityAliasCount = 0;
int collectionAliasCount = 0;
for (int i = 0; i < associations.size(); i++) {
OuterJoinableAssociation join = (OuterJoinableAssociation) associations.get(i);
OuterJoinableAssociation next =
(i == associations.size() - 1)
? null
: (OuterJoinableAssociation) associations.get(i + 1);
final Joinable joinable = join.getJoinable();
final String entitySuffix =
(suffixes == null || entityAliasCount >= suffixes.length)
? null
: suffixes[entityAliasCount];
final String collectionSuffix =
(collectionSuffixes == null || collectionAliasCount >= collectionSuffixes.length)
? null
: collectionSuffixes[collectionAliasCount];
final String selectFragment =
joinable.selectFragment(
next == null ? null : next.getJoinable(),
next == null ? null : next.getRHSAlias(),
join.getRHSAlias(),
entitySuffix,
collectionSuffix,
join.getJoinType() == JoinType.LEFT_OUTER_JOIN);
if (selectFragment.trim().length() > 0) {
buf.append(", ").append(selectFragment);
}
if (joinable.consumesEntityAlias()) entityAliasCount++;
if (joinable.consumesCollectionAlias() && join.getJoinType() == JoinType.LEFT_OUTER_JOIN)
collectionAliasCount++;
}
return buf.toString();
}
}
