*
* @exception IOException Thrown on read error
*/
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
FormatableHashtable fh = (FormatableHashtable)in.readObject();
isUnique = fh.getBoolean("isUnique");
int bcpLength = fh.getInt("keyLength");
baseColumnPositions = new int[bcpLength];
isAscending = new boolean[bcpLength];
for (int i = 0; i < bcpLength; i++)
{
baseColumnPositions[i] = fh.getInt("bcp" + i);
isAscending[i] = fh.getBoolean("isAsc" + i);
}
numberOfOrderedColumns = fh.getInt("orderedColumns");
indexType = (String)fh.get("indexType");
//isUniqueWithDuplicateNulls attribute won't be present if the index
//was created in older versions
if (fh.containsKey("isUniqueWithDuplicateNulls"))
isUniqueWithDuplicateNulls = fh.getBoolean(
"isUniqueWithDuplicateNulls");
else
isUniqueWithDuplicateNulls = false;
// hasDeferrableChecking won't be present if the index
// was created in old versions (< 10_11).
if (fh.containsKey("hasDeferrableChecking")) {
hasDeferrableChecking = fh.getBoolean("hasDeferrableChecking");
} else {
hasDeferrableChecking = false;
}
// isUniqueDeferrable won't be present if the index
// was created in old versions (< 10_11).
if (fh.containsKey("isUniqueDeferrable")) {
isUniqueDeferrable = fh.getBoolean("isUniqueDeferrable");
} else {
isUniqueDeferrable = false;
}
}