public List<Expression> copyDerivedExpressions(Map alreadyDone) {
if (this.derivedExpressions == null) {
return null;
}
List<Expression> derivedExpressionsCopy;
synchronized (this) {
derivedExpressionsCopy = new ArrayList(this.derivedExpressions);
}
List<Expression> result = new ArrayList(derivedExpressionsCopy.size());
for (Expression exp : derivedExpressionsCopy) {
result.add(exp.copiedVersionFrom(alreadyDone));
}
return result;
}
/**
* INTERNAL: Used in case outer joins should be printed in FROM clause. Each of the additional
* tables mapped to expressions that joins it.
*/
public Map additionalExpressionCriteriaMap() {
if (getDescriptor() == null) {
return null;
}
HashMap tablesJoinExpressions = new HashMap();
Vector tables = getDescriptor().getTables();
// skip the main table - start with i=1
int tablesSize = tables.size();
if (shouldUseOuterJoin()) {
for (int i = 1; i < tablesSize; i++) {
DatabaseTable table = (DatabaseTable) tables.elementAt(i);
Expression joinExpression =
(Expression) getDescriptor().getQueryManager().getTablesJoinExpressions().get(table);
joinExpression = getBaseExpression().twist(joinExpression, this);
tablesJoinExpressions.put(table, joinExpression);
}
}
if (isUsingOuterJoinForMultitableInheritance()) {
List childrenTables = getDescriptor().getInheritancePolicy().getChildrenTables();
tablesSize = childrenTables.size();
for (int i = 0; i < tablesSize; i++) {
DatabaseTable table = (DatabaseTable) childrenTables.get(i);
Expression joinExpression =
(Expression)
getDescriptor()
.getInheritancePolicy()
.getChildrenTablesJoinExpressions()
.get(table);
joinExpression = getBaseExpression().twist(joinExpression, this);
tablesJoinExpressions.put(table, joinExpression);
}
}
return tablesJoinExpressions;
}
/**
* INTERNAL: Used in case outer joins should be printed in FROM clause. Each of the additional
* tables mapped to expressions that joins it.
*/
public Map additionalExpressionCriteriaMap() {
if (getDescriptor() == null) {
return null;
}
HashMap tablesJoinExpressions = null;
if (isUsingOuterJoinForMultitableInheritance()) {
tablesJoinExpressions = new HashMap();
List childrenTables = getDescriptor().getInheritancePolicy().getChildrenTables();
for (int i = 0; i < childrenTables.size(); i++) {
DatabaseTable table = (DatabaseTable) childrenTables.get(i);
Expression joinExpression =
getDescriptor().getInheritancePolicy().getChildrenTablesJoinExpressions().get(table);
if (getBaseExpression() != null) {
joinExpression = getBaseExpression().twist(joinExpression, this);
} else {
joinExpression = twist(joinExpression, this);
}
tablesJoinExpressions.put(table, joinExpression);
}
}
return tablesJoinExpressions;
}