private static void checkAttributesSanity(
final int attributeRecordId,
final IntArrayList usedAttributeRecordIds,
final IntArrayList validAttributeIds)
throws IOException {
assert !usedAttributeRecordIds.contains(attributeRecordId);
usedAttributeRecordIds.add(attributeRecordId);
final DataInputStream dataInputStream = getAttributesStorage().readStream(attributeRecordId);
try {
while (dataInputStream.available() > 0) {
int attId = DataInputOutputUtil.readINT(dataInputStream);
int attDataRecordId = DataInputOutputUtil.readINT(dataInputStream);
assert !usedAttributeRecordIds.contains(attDataRecordId);
usedAttributeRecordIds.add(attDataRecordId);
if (!validAttributeIds.contains(attId)) {
assert getNames().valueOf(attId).length() > 0;
validAttributeIds.add(attId);
}
getAttributesStorage().checkSanity(attDataRecordId);
}
} finally {
dataInputStream.close();
}
}
private static void deleteContentAndAttributes(int id) throws IOException {
int content_page = getContentRecordId(id);
if (content_page != 0) {
getContentStorage().releaseRecord(content_page);
}
int att_page = getAttributeRecordId(id);
if (att_page != 0) {
final DataInputStream attStream = getAttributesStorage().readStream(att_page);
while (attStream.available() > 0) {
DataInputOutputUtil.readINT(attStream); // Attribute ID;
int attAddress = DataInputOutputUtil.readINT(attStream);
getAttributesStorage().deleteRecord(attAddress);
}
attStream.close();
getAttributesStorage().deleteRecord(att_page);
}
}
private static int findAttributePage(int fileId, String attrId, boolean toWrite)
throws IOException {
checkFileIsValid(fileId);
Storage storage = getAttributesStorage();
int encodedAttrId = DbConnection.getAttributeId(attrId);
int recordId = getAttributeRecordId(fileId);
if (recordId == 0) {
if (!toWrite) return 0;
recordId = storage.createNewRecord();
setAttributeRecordId(fileId, recordId);
} else {
DataInputStream attrRefs = storage.readStream(recordId);
try {
while (attrRefs.available() > 0) {
final int attIdOnPage = DataInputOutputUtil.readINT(attrRefs);
final int attrAddress = DataInputOutputUtil.readINT(attrRefs);
if (attIdOnPage == encodedAttrId) return attrAddress;
}
} finally {
attrRefs.close();
}
}
if (toWrite) {
Storage.AppenderStream appender = storage.appendStream(recordId);
DataInputOutputUtil.writeINT(appender, encodedAttrId);
int attrAddress = storage.createNewRecord();
DataInputOutputUtil.writeINT(appender, attrAddress);
DbConnection.REASONABLY_SMALL.myAttrPageRequested = true;
try {
appender.close();
} finally {
DbConnection.REASONABLY_SMALL.myAttrPageRequested = false;
}
return attrAddress;
}
return 0;
}
