// TM
@Override
protected void batchDeleteRow(String cf, List<Node[]> li, String keyspace) {
if (cf.equals(CF_C_SPO)) {
super.batchDeleteRow(cf, li, keyspace);
} else if (cf.equals(CF_PO_S)) {
Mutator<byte[]> m = HFactory.createMutator(getExistingKeyspace(keyspace), _bs);
for (Node[] nx : li) {
// reorder for the key
Node[] reordered = Util.reorder(nx, _maps.get(cf));
ByteBuffer rowKey = createKey(new Node[] {reordered[0], reordered[1]});
String colKey = reordered[2].toN3();
// delete the full row
m.addDeletion(rowKey.array(), cf);
}
m.execute();
} else {
Mutator<String> m = HFactory.createMutator(getExistingKeyspace(keyspace), _ss);
for (Node[] nx : li) {
// reorder for the key
Node[] reordered = Util.reorder(nx, _maps.get(cf));
String rowKey = reordered[0].toN3();
m.addDeletion(rowKey, cf);
_log.info("Delete full row for " + rowKey + " cf= " + cf);
}
m.execute();
}
}
/**
* Add Message to a Given Queue in Cassandra
*
* @param columnFamily ColumnFamily name
* @param queue queue name
* @param messageId Message id
* @param message message in bytes
* @param keyspace Cassandra KeySpace
* @throws CassandraDataAccessException In case of database access error
*/
public static void addMessageToQueue(
String columnFamily, String queue, long messageId, byte[] message, Keyspace keyspace)
throws CassandraDataAccessException {
if (keyspace == null) {
throw new CassandraDataAccessException("Can't add Data , no mutator provided ");
}
if (columnFamily == null || queue == null || message == null) {
throw new CassandraDataAccessException(
"Can't add data with columnFamily = "
+ columnFamily
+ " and queue="
+ queue
+ " message id = "
+ messageId
+ " message = "
+ message);
}
try {
Mutator<String> mutator = HFactory.createMutator(keyspace, stringSerializer);
mutator.addInsertion(
queue.trim(),
columnFamily,
HFactory.createColumn(messageId, message, longSerializer, bytesArraySerializer));
mutator.execute();
} catch (Exception e) {
throw new CassandraDataAccessException("Error while adding message to Queue", e);
}
}
/**
* Add a new Column <long,byte[]> to a given row in a given column family
*
* @param columnFamily column family name
* @param row row name
* @param key long key value
* @param value value as a byte array
* @param keyspace CassandraKeySpace
* @throws CassandraDataAccessException
*/
public static void addLongByteArrayColumnToRow(
String columnFamily, String row, long key, byte[] value, Keyspace keyspace)
throws CassandraDataAccessException {
if (keyspace == null) {
throw new CassandraDataAccessException("Can't add Data , no keySpace provided ");
}
if (columnFamily == null || row == null || value == null) {
throw new CassandraDataAccessException(
"Can't add data with columnFamily = "
+ columnFamily
+ " and row="
+ row
+ " key = "
+ key
+ " value = "
+ value);
}
try {
Mutator<String> messageContentMutator = HFactory.createMutator(keyspace, stringSerializer);
messageContentMutator.addInsertion(
row,
columnFamily,
HFactory.createColumn(key, value, longSerializer, bytesArraySerializer));
messageContentMutator.execute();
} catch (Exception e) {
throw new CassandraDataAccessException(
"Error while adding new Column <int,byte[]> to cassandra store", e);
}
}
public void init() {
CassandraHostConfigurator hostConfig =
new CassandraHostConfigurator(darkStarNode + ":" + String.valueOf(darkStarPort));
cluster = HFactory.createCluster(clusterName, hostConfig);
keySpace = HFactory.createKeyspace(keyspace, cluster, policy);
mutator = HFactory.createMutator(keySpace, bfs);
}
public static void deleteIntegerColumnFromRow(
String columnFamily, String row, Integer key, Keyspace keyspace)
throws CassandraDataAccessException {
if (keyspace == null) {
throw new CassandraDataAccessException("Can't delete Data , no keyspace provided ");
}
if (columnFamily == null || row == null) {
throw new CassandraDataAccessException(
"Can't delete data in columnFamily = "
+ columnFamily
+ " and rowName="
+ row
+ " key = "
+ key);
}
try {
Mutator<String> mutator = HFactory.createMutator(keyspace, stringSerializer);
mutator.addDeletion(row, columnFamily, key, integerSerializer);
mutator.execute();
} catch (Exception e) {
throw new CassandraDataAccessException("Error while deleting data", e);
}
}
/**
* Add new Column<long,long> to a given row in a given cassandra column family
*
* @param columnFamily column family name
* @param row row name
* @param key long key value of the column
* @param value long value of the column
* @param keyspace Cassandra KeySpace
* @throws CassandraDataAccessException
*/
public static void addLongContentToRow(
String columnFamily, String row, long key, long value, Keyspace keyspace)
throws CassandraDataAccessException {
if (keyspace == null) {
throw new CassandraDataAccessException("Can't add Data , no keySpace provided ");
}
if (columnFamily == null || row == null) {
throw new CassandraDataAccessException(
"Can't add data with columnFamily = "
+ columnFamily
+ " and rowName="
+ row
+ " key = "
+ key);
}
try {
Mutator<String> mutator = HFactory.createMutator(keyspace, stringSerializer);
mutator.insert(
row, columnFamily, HFactory.createColumn(key, value, longSerializer, longSerializer));
mutator.execute();
} catch (Exception e) {
throw new CassandraDataAccessException("Error while adding long content to a row", e);
}
}
/**
* Add a Mapping to a Given Row in cassandra column family. Mappings are used as search indexes
*
* @param columnFamily columnFamilyName
* @param row row name
* @param cKey key name for the adding column
* @param cValue value for the adding column
* @param keyspace Cassandra KeySpace
* @throws CassandraDataAccessException In case of database access error or data error
*/
public static void addMappingToRaw(
String columnFamily, String row, String cKey, String cValue, Keyspace keyspace)
throws CassandraDataAccessException {
if (keyspace == null) {
throw new CassandraDataAccessException("Can't add Data , no KeySpace provided ");
}
if (columnFamily == null || row == null || cKey == null) {
throw new CassandraDataAccessException(
"Can't add data with columnFamily = "
+ columnFamily
+ " and rowName="
+ row
+ " key = "
+ cKey);
}
try {
Mutator<String> mutator = HFactory.createMutator(keyspace, stringSerializer);
mutator.addInsertion(
row,
columnFamily,
HFactory.createColumn(cKey, cValue.trim(), stringSerializer, stringSerializer));
mutator.execute();
} catch (Exception e) {
throw new CassandraDataAccessException("Error while adding a Mapping to row ", e);
}
}
public void truncate() {
Mutator<K> mutator = HFactory.createMutator(keyspace, keySerializer);
Iterator<K> iterator = new KeyIterator<K>(keyspace, columnFamily, keySerializer).iterator();
while (iterator.hasNext()) {
this.removeRowBatch(iterator.next(), mutator);
}
this.executeMutator(mutator);
}
public void put(String columnFamily, String key, byte[] value) {
Mutator<String> mutator = HFactory.createMutator(this._keyspace, StringSerializer.get());
mutator.insert(
key,
columnFamily,
HFactory.createColumn(
DEFAULT_COLUMN_NAME, value, StringSerializer.get(), BytesArraySerializer.get()));
}
@Override
@CacheEvict(value = "user-cache", key = "#user.login")
public void deleteUser(User user) {
if (log.isDebugEnabled()) {
log.debug("Deleting user : " + user);
}
Mutator<String> mutator = HFactory.createMutator(keyspaceOperator, StringSerializer.get());
mutator.addDeletion(user.getLogin(), USER_CF);
mutator.execute();
}
/**
* Decrement counter by 1
*
* @param rawID raw name
* @param columnFamily column family name
* @param columnName name of column
* @param keyspace keyspace
* @throws CassandraDataAccessException
*/
public static void decrementCounter(
String columnName, String columnFamily, String rawID, Keyspace keyspace, long decrementBy)
throws CassandraDataAccessException {
try {
Mutator<String> mutator = HFactory.createMutator(keyspace, StringSerializer.get());
mutator.decrementCounter(rawID, columnFamily, columnName, decrementBy);
mutator.execute();
} catch (Exception e) {
throw new CassandraDataAccessException("Error while accessing:" + columnFamily, e);
}
}
void insertData(String dpname, Date d, Timestamp u, double value) {
try {
long timeInMicroSeconds = u.getTime();
// UUID timeUUIDColumnName = TimeUUIDUtils.getTimeUUID(timeInMicroSeconds);
System.out.println(d + "\t" + timeInMicroSeconds + "\t" + value);
DateSerializer ds = new DateSerializer();
Mutator<Date> mu = HFactory.createMutator(keyspace, ds);
mu.insert(d, dpname, HFactory.createColumn(timeInMicroSeconds, value));
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
protected void batchInsert(String cf, List<Node[]> li, String keyspace) {
if (cf.equals(CF_C_SPO)) {
super.batchInsert(cf, li, keyspace);
} else if (cf.equals(CF_PO_S)) {
Mutator<byte[]> m = HFactory.createMutator(getExistingKeyspace(keyspace), _bs);
for (Node[] nx : li) {
// reorder for the key
Node[] reordered = Util.reorder(nx, _maps.get(cf));
ByteBuffer rowKey = createKey(new Node[] {reordered[0], reordered[1]});
String colKey = reordered[2].toN3();
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn(colKey, ""));
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn("!p", reordered[0].toN3()));
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn("!o", reordered[1].toN3()));
}
m.execute();
} else {
Mutator<String> m = HFactory.createMutator(getExistingKeyspace(keyspace), _ss);
for (Node[] nx : li) {
// reorder for the key
Node[] reordered = Util.reorder(nx, _maps.get(cf));
String rowKey = reordered[0].toN3();
// for ERS_bridges_.. keyspaces, use the column value; it is easier for querying afterwards
// few keyspacs such as ERS_graphs cannot be decoded
String keyspace_decoded = this.decodeKeyspace(keyspace);
if (keyspace_decoded != null
&& keyspace_decoded.startsWith(Listener.BRIDGES_KEYSPACE + "_")) {
String colKey = reordered[1].toN3();
m.addInsertion(rowKey, cf, HFactory.createStringColumn(colKey, reordered[2].toN3()));
} else {
String colKey = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
m.addInsertion(rowKey, cf, HFactory.createStringColumn(colKey, ""));
}
}
m.execute();
}
}
@Override
public void insertTatamibotConfiguration(TatamibotConfiguration tatamibotConfiguration) {
UUID tatamibotConfigurationId = TimeUUIDUtils.getUniqueTimeUUIDinMillis();
Mutator<String> mutator = HFactory.createMutator(keyspaceOperator, StringSerializer.get());
mutator.insert(
tatamibotConfiguration.getDomain(),
ColumnFamilyKeys.DOMAIN_TATAMIBOT_CF,
HFactory.createColumn(
tatamibotConfigurationId, "", UUIDSerializer.get(), StringSerializer.get()));
tatamibotConfiguration.setTatamibotConfigurationId(tatamibotConfigurationId.toString());
em.persist(tatamibotConfiguration);
}
@Override
@CacheEvict(value = "domain-tags-cache", key = "#domain")
public void addTag(String domain, String tag) {
HColumn<UUID, String> column =
HFactory.createColumn(
TimeUUIDUtils.getUniqueTimeUUIDinMillis(),
tag,
COLUMN_TTL,
UUIDSerializer.get(),
StringSerializer.get());
Mutator<String> mutator = HFactory.createMutator(keyspaceOperator, StringSerializer.get());
mutator.insert(domain, TRENDS_CF, column);
}
public void removeColumnRange(K key, N start, N end, boolean reverse, int count) {
Mutator<K> mutator = HFactory.createMutator(keyspace, keySerializer);
List<HColumn<N, V>> columns =
createSliceQuery(keyspace, keySerializer, columnNameSerializer, valueSerializer)
.setColumnFamily(columnFamily)
.setKey(key)
.setRange(start, end, reverse, count)
.execute()
.get()
.getColumns();
for (HColumn<N, V> column : columns) {
mutator.addDeletion(key, columnFamily, column.getName(), columnNameSerializer);
}
this.executeMutator(mutator);
}
/**
* remove allocated raw-column space for counter
*
* @param cfName column family name
* @param counterRowName name of row
* @param queueColumn name of column
* @param keyspace key space name
* @throws CassandraDataAccessException
*/
public static void removeCounterColumn(
String cfName, String counterRowName, String queueColumn, Keyspace keyspace)
throws CassandraDataAccessException {
try {
Mutator<String> mutator = HFactory.createMutator(keyspace, StringSerializer.get());
mutator.deleteCounter(counterRowName, cfName, queueColumn, stringSerializer);
mutator.execute();
CounterQuery<String, String> counter =
new ThriftCounterColumnQuery<String, String>(
keyspace, stringSerializer, stringSerializer);
counter.setColumnFamily(cfName).setKey(counterRowName).setName(queueColumn);
} catch (Exception e) {
throw new CassandraDataAccessException("Error while accessing:" + cfName, e);
}
}
public void removeCounterRow(K key) {
SliceCounterQuery<K, N> query =
HFactory.createCounterSliceQuery(keyspace, keySerializer, columnNameSerializer)
.setColumnFamily(columnFamily)
.setKey(key);
AchillesCounterSliceIterator<K, N> iterator =
new AchillesCounterSliceIterator<K, N>(
policy, columnFamily, query, (N) null, (N) null, false, DEFAULT_LENGTH);
Mutator<K> mutator = HFactory.createMutator(keyspace, keySerializer);
while (iterator.hasNext()) {
HCounterColumn<N> counterCol = iterator.next();
mutator.decrementCounter(key, columnFamily, counterCol.getName(), counterCol.getValue());
}
this.executeMutator(mutator);
}
@Override
public void run() {
Calendar instance = Calendar.getInstance();
instance.set(2012, 1, 1, 0, 0, 0);
Date time = instance.getTime();
Mutator<String> mutator = HFactory.createMutator(keyspace, new AsciiSerializer());
for (int i = 0; i < 300; i++) {
HColumn<Date, byte[]> column =
HFactory.createColumn(
time, new byte[] {}, DateSerializer.get(), BytesArraySerializer.get());
String hitCampaignName = getHitCampaignName();
if (hitCampaignName != null) mutator.addInsertion(customer, hitCampaignName, column);
mutator.addInsertion(customer, "global", column);
time = new Date(time.getTime() + 2000);
}
mutator.execute();
}
@SuppressWarnings("unchecked")
public void setAmountChunksWithContent(String owner_name, String fileName, long amountChunks) {
try {
Mutator<String> mutator = HFactory.createMutator(keyspaceOperator, stringSerializer);
mutator.insert(
owner_name,
"UserFiles",
HFactory.createSuperColumn(
fileName,
Arrays.asList(
HFactory.createStringColumn("chunks_with_content", String.valueOf(amountChunks))),
stringSerializer,
stringSerializer,
stringSerializer));
} catch (HectorException e) {
log.error("Data was not inserted");
e.printStackTrace();
}
}
@Override
public void save(
PersistenceManagementEvent persistenceManagementEvent,
String nodeID,
PersistenceObject persistenceObject) {
Mutator<String> mutator = HFactory.createMutator(keyspace, sser);
mutator.insert(
persistenceManagementEvent.getRevision(),
COLUMN_FAMILY_NAME,
HFactory.createColumn(nodeID, ByteSerializer.OToB(persistenceObject), sser, bser));
mutator.insert(
persistenceManagementEvent.getExecutionPlanIdentifier(),
INDEX_COLUMN_FAMILY_NAME,
HFactory.createColumn(
persistenceManagementEvent.getRevision(),
String.valueOf(System.currentTimeMillis()),
sser,
sser));
mutator.execute();
}
/**
* Check if the tags exists and add them if they don't exist.
*
* @param keyspaceOperator
* @param columnfamily
* @param columnfamilyId
* @param tags
* @return
*/
private int addTags(
Keyspace keyspaceOperator, String columnfamily, String columnfamilyId, List<String> tags) {
// Get current user tags
List<String> currentTags =
getTags(
keyspaceOperator,
columnfamily,
columnfamilyId,
TAG_COLUMN_MIN_NAME,
TAG_COLUMN_MAX_NAME);
// Get the number of tags of the user
int nbColumns = currentTags.size();
int nbAddedTags = 0;
Mutator<String> mutator = HFactory.createMutator(keyspaceOperator, StringSerializer.get());
for (String tag : tags) {
String tagLowerCase = tag.toLowerCase();
// Check if the tag already exists
if (currentTags.contains(tagLowerCase)) {
// This tag already exists => we don't add it!
continue;
}
// Add the new tag
nbColumns++;
String columnName = COLUMN_TAG_PREFIX + nbColumns;
mutator.insert(
columnfamilyId,
columnfamily,
HFactory.createColumn(
columnName, tagLowerCase, StringSerializer.get(), StringSerializer.get()));
nbAddedTags++;
}
return nbAddedTags;
}
public void save(Collection<Count> counts) {
Map<String, Count> countHolder = new HashMap<String, Count>();
for (Count count : counts) {
Count c = countHolder.get(count.getCounterName());
if (c != null) {
c.apply(count);
} else {
countHolder.put(count.getCounterName(), count);
}
}
Mutator<ByteBuffer> mutator = HFactory.createMutator(keyspace, ByteBufferSerializer.get());
for (Count count : countHolder.values()) {
mutator.addCounter(
count.getKeyNameBytes(),
count.getTableName(),
new HCounterColumnImpl(
count.getColumnName(), count.getValue(), count.getColumnNameSerializer()));
}
try {
mutator.execute();
} catch (Exception e) {
// errors here happen a lot on shutdown, don't fill the logs with them
String error = e.getClass().getCanonicalName();
if (counterInsertFailures.get(error) == null) {
log.error("CounterStore insert failed, first instance", e);
counterInsertFailures.put(error, 1);
} else {
int count = counterInsertFailures.get(error) + 1;
counterInsertFailures.put(error, count);
if (log.isDebugEnabled()) {
log.debug(error + " caused CounterStore insert failure, count = " + count, e);
} else {
log.error(error + " caused CounterStore insert failure, count = " + count);
}
}
}
}
// create a batch of different operations and execute them all together
@Override
protected void batchRun(String cf, List<Node[]> li, String keyspace) {
if (cf.equals(CF_C_SPO)) {
// this is not implemented, we don't care about CSPO CF
super.batchRun(cf, li, keyspace);
} else if (cf.equals(CF_PO_S)) {
Mutator<byte[]> m = HFactory.createMutator(getExistingKeyspace(keyspace), _bs);
for (Node[] nx : li) {
Node[] reordered;
ByteBuffer rowKey;
String colKey;
// _log.info("$$$ " + nx[0].toString() + " " + nx[1].toString() + " " + nx[2].toString()
// + " " + nx[3].toString());
switch (Integer.parseInt(nx[3].toString())) {
case 0:
// ignore query
continue;
case 1:
// insertion
// reorder for the key
reordered = Util.reorder(nx, _maps_br.get(cf));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn(colKey, ""));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!p", reordered[0].toN3()));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!o", reordered[1].toN3()));
break;
case 11:
// insertion link
// reorder for the key
reordered = Util.reorder(nx, _maps_br.get(cf));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn(colKey, ""));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!p", reordered[0].toN3()));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!o", reordered[1].toN3()));
// add the back link as well
reordered = Util.reorder(nx, _maps_br.get("link"));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn(colKey, ""));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!p", reordered[0].toN3()));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!o", reordered[1].toN3()));
break;
case 2:
// deletion
// reorder for the key
reordered = Util.reorder(nx, _maps_br.get(cf));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
// delete the full row
m.addDeletion(rowKey.array(), cf);
break;
case 21:
// deletion link
// reorder for the key
reordered = Util.reorder(nx, _maps_br.get(cf));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
// delete the full row
m.addDeletion(rowKey.array(), cf);
// delete the back link as well
if (nx[2] instanceof Resource) {
reordered = Util.reorder(nx, _maps_br.get("link"));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
// delete the full row containing the back link
m.addDeletion(rowKey.array(), cf);
}
break;
case 3:
// update, run a delete and an insert
// deletion
// reorder for the key
reordered = Util.reorder(nx, _maps_br_update_d.get(cf));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
// delete the full row
m.addDeletion(rowKey.array(), cf);
// insertion
// reorder for the key
reordered = Util.reorder(nx, _maps_br_update_i.get(cf));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn(colKey, ""));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!p", reordered[0].toN3()));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!o", reordered[1].toN3()));
break;
case 4:
// delete the full entity
Node[] query = new Node[3];
query[0] = nx[0];
query[1] = new Variable("p");
query[2] = new Variable("o");
try {
Iterator<Node[]> it = this.query(query, Integer.MAX_VALUE, keyspace);
// if data, delete :)
for (; it.hasNext(); ) {
Node[] n = (Node[]) it.next();
// this.deleteData(n, keyspace, 0);
rowKey = createKey(new Node[] {n[0], n[1]});
m.addDeletion(rowKey.array(), cf);
}
} catch (StoreException ex) {
_log.severe(ex.getMessage());
}
break;
case 31:
// update with link, run a delete and an insert
// deletion
// reorder for the key
reordered = Util.reorder(nx, _maps_br_update_d.get(cf));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
// delete the full row
m.addDeletion(rowKey.array(), cf);
// delete the back link as well
if (nx[2] instanceof Resource) {
reordered = Util.reorder(nx, _maps_br_update_d.get("link"));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
// delete the full row containing the back link
m.addDeletion(rowKey.array(), cf);
}
// insertion
// reorder for the key
reordered = Util.reorder(nx, _maps_br_update_i.get(cf));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn(colKey, ""));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!p", reordered[0].toN3()));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!o", reordered[1].toN3()));
// insert also the new back link
if (nx[5] instanceof Resource) {
reordered = Util.reorder(nx, _maps_br_update_i.get("link"));
rowKey = createKey(new Node[] {reordered[0], reordered[1]});
colKey = reordered[2].toN3();
m.addInsertion(rowKey.array(), cf, HFactory.createStringColumn(colKey, ""));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!p", reordered[0].toN3()));
m.addInsertion(
rowKey.array(), cf, HFactory.createStringColumn("!o", reordered[1].toN3()));
}
break;
default:
_log.info("OPERATION UNKNOWN, moving to next quad");
break;
}
}
m.execute();
} else {
Mutator<String> m = HFactory.createMutator(getExistingKeyspace(keyspace), _ss);
for (Node[] nx : li) {
Node[] reordered;
String rowKey;
String colKey;
// _log.info("$$$ " + nx[0].toString() + " " + nx[1].toString() + " " + nx[2].toString()
// + " " + nx[3].toString());
switch (Integer.parseInt(nx[3].toString())) {
case 0:
// ignore query
continue;
case 1:
// insertion
// reorder for the key
reordered = Util.reorder(nx, _maps_br.get(cf));
rowKey = reordered[0].toN3();
colKey = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
m.addInsertion(rowKey, cf, HFactory.createStringColumn(colKey, ""));
break;
case 2:
// deletion
// reorder for the key
reordered = Util.reorder(nx, _maps_br.get(cf));
rowKey = reordered[0].toN3();
colKey = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
m.addDeletion(rowKey, cf, colKey, _ss);
break;
case 3:
// update = delete+insert
// reorder for the key
reordered = Util.reorder(nx, _maps_br_update_d.get(cf));
rowKey = reordered[0].toN3();
colKey = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
m.addDeletion(rowKey, cf, colKey, _ss);
// reorder for the key
reordered = Util.reorder(nx, _maps_br_update_i.get(cf));
rowKey = reordered[0].toN3();
colKey = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
m.addInsertion(rowKey, cf, HFactory.createStringColumn(colKey, ""));
break;
case 4:
// delete the full entity
Node[] query = new Node[3];
query[0] = nx[0];
query[1] = new Variable("p");
query[2] = new Variable("o");
try {
Iterator<Node[]> it = this.query(query, Integer.MAX_VALUE, keyspace);
// if data, delete :)
for (; it.hasNext(); ) {
Node[] n = (Node[]) it.next();
// this.deleteData(n, keyspace, 0);
rowKey = n[0].toN3();
m.addDeletion(rowKey, cf);
}
} catch (StoreException ex) {
_log.severe(ex.getMessage());
}
break;
default:
_log.info("OPERATION UNKNOWN, moving to next quad");
break;
}
}
m.execute();
}
}
@Override
public int batchUpdateVersioning(
String cf, List<Node[]> li, String keyspace, String URN_author, String txID) {
Hashtable<String, List<Node[]>> versioned_entities = new Hashtable<String, List<Node[]>>();
Hashtable<String, String> previous_commit_id = new Hashtable<String, String>();
boolean successful_fetch =
fetchMostRecentVersions(
keyspace, cf, li, txID, URN_author, versioned_entities, previous_commit_id);
if (!successful_fetch) {
// it means that for one entity there is already a lastCID > txID
// we have to abort here the insertion
return 2;
}
// now update the properties into the recent versions fetched
for (Iterator<Node[]> it = li.iterator(); it.hasNext(); ) {
Node[] current = it.next();
String prop = current[1].toN3();
String value_old = current[2].toN3();
Node value_new = current[3];
List<Node[]> entity_version = versioned_entities.get("<" + current[0].toString() + "-VER>");
for (Iterator<Node[]> it_version = entity_version.iterator(); it_version.hasNext(); ) {
Node[] ver_ent = it_version.next();
String ver_prop = ver_ent[1].toN3();
String ver_value = ver_ent[2].toN3();
// check if this is the triple to be replaces
if (prop.equals(ver_prop) && value_old.equals(ver_value)) ver_ent[2] = value_new;
}
}
// SPO
// insert 's-VER' and 's-URN' new versions
Mutator<String> m = HFactory.createMutator(getExistingKeyspace(keyspace), _ss);
for (Iterator<String> it = versioned_entities.keySet().iterator(); it.hasNext(); ) {
String row_entity_key = it.next();
// there is a list of properties to be added to the new version of this entity
List<Node[]> entity_old_version = versioned_entities.get(row_entity_key);
String old_version_num = previous_commit_id.get(row_entity_key);
for (Iterator it_old_v = entity_old_version.iterator(); it_old_v.hasNext(); ) {
Node[] nx = (Node[]) it_old_v.next();
// reorder for the key
Node[] reordered = Util.reorder(nx, _maps.get(cf));
String rowKey = new Resource(reordered[0].toString()).toN3();
if (!reordered[0].toString().contains("-VER"))
rowKey = new Resource(reordered[0].toString() + "-VER").toN3();
/* this is the approach without using Snowflake
int next_ver = old_version_num+1;*/
String next_ver;
// if txID is different than null, it means this is called in a transactional context
if (txID != null) next_ver = txID;
else next_ver = String.valueOf(Integer.valueOf(old_version_num) + 1);
// VER, URN
Composite colKey = new Composite();
colKey.addComponent(next_ver, StringSerializer.get());
colKey.addComponent(URN_author, StringSerializer.get());
String colKey_s = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
colKey.addComponent(colKey_s, StringSerializer.get());
HColumn<Composite, String> hColumnObj_itemID =
HFactory.createColumn(colKey, "", new CompositeSerializer(), StringSerializer.get());
m.addInsertion(rowKey, cf, hColumnObj_itemID);
// URN, VER
rowKey = new Resource(reordered[0].toString() + "-URN").toN3();
colKey = new Composite();
colKey.addComponent(URN_author, StringSerializer.get());
colKey.addComponent(String.valueOf(next_ver), StringSerializer.get());
colKey_s = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
colKey.addComponent(colKey_s, StringSerializer.get());
hColumnObj_itemID =
HFactory.createColumn(colKey, "", new CompositeSerializer(), StringSerializer.get());
m.addInsertion(rowKey, cf, hColumnObj_itemID);
}
m.execute();
}
// now try to write all CID,prevCID; if check my writes is enabled, it can abort in case
// there are conflicts
return commitOrAbort(keyspace, txID, URN_author, versioned_entities, previous_commit_id);
}
@Override
protected int batchInsertVersioning(
String cf, List<Node[]> li, String keyspace, String URN_author, String txID) {
Hashtable<String, List<Node[]>> versioned_entities = new Hashtable<String, List<Node[]>>();
Hashtable<String, String> previous_commit_id = new Hashtable<String, String>();
boolean successful_fetch =
fetchMostRecentVersions(
keyspace, cf, li, txID, URN_author, versioned_entities, previous_commit_id);
if (!successful_fetch) {
// it means that for one entity there is already a lastCID > txID
// we have to abort here the insertion
return 2;
}
/*
// SIMULATE SOME DELAY HERE !!
try{
Thread.sleep(System.currentTimeMillis()%10000);
}catch(Exception ex) {}
// END [THIS MUST BE ERASED IN PRODUCTION!!]*/
// add the new triples to previous versions
for (Iterator<Node[]> it_triples = li.iterator(); it_triples.hasNext(); ) {
Node[] triple = it_triples.next();
String rowKey = new Resource(triple[0].toString() + "-VER").toN3();
List<Node[]> prev_version = versioned_entities.get(rowKey);
prev_version.add(triple);
versioned_entities.put(rowKey, prev_version);
}
// SPO
// insert 's-VER' and 's-URN' new versions
Mutator<String> m = HFactory.createMutator(getExistingKeyspace(keyspace), _ss);
for (Iterator<String> it = versioned_entities.keySet().iterator(); it.hasNext(); ) {
String row_entity_key = it.next();
// there is a list of properties to be added to the new version of this entity
List<Node[]> entity_old_version = versioned_entities.get(row_entity_key);
String old_version_num = previous_commit_id.get(row_entity_key);
for (Iterator it_old_v = entity_old_version.iterator(); it_old_v.hasNext(); ) {
Node[] nx = (Node[]) it_old_v.next();
// reorder for the key
Node[] reordered = Util.reorder(nx, _maps.get(cf));
String rowKey = new Resource(reordered[0].toString()).toN3();
if (!reordered[0].toString().contains("-VER"))
rowKey = new Resource(reordered[0].toString() + "-VER").toN3();
/* this is the approach without using Snowflake
int next_ver = old_version_num+1;*/
String next_ver;
// if txID is different than null, it means this is called in a transactional context
if (txID != null) next_ver = txID;
else next_ver = String.valueOf(Integer.valueOf(old_version_num) + 1);
// VER, URN
Composite colKey = new Composite();
colKey.addComponent(next_ver, StringSerializer.get());
colKey.addComponent(URN_author, StringSerializer.get());
String colKey_s = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
colKey.addComponent(colKey_s, StringSerializer.get());
HColumn<Composite, String> hColumnObj_itemID =
HFactory.createColumn(colKey, "", new CompositeSerializer(), StringSerializer.get());
m.addInsertion(rowKey, cf, hColumnObj_itemID);
// URN, VER
rowKey = new Resource(reordered[0].toString() + "-URN").toN3();
colKey = new Composite();
colKey.addComponent(URN_author, StringSerializer.get());
colKey.addComponent(String.valueOf(next_ver), StringSerializer.get());
colKey_s = Nodes.toN3(new Node[] {reordered[1], reordered[2]});
colKey.addComponent(colKey_s, StringSerializer.get());
hColumnObj_itemID =
HFactory.createColumn(colKey, "", new CompositeSerializer(), StringSerializer.get());
m.addInsertion(rowKey, cf, hColumnObj_itemID);
}
m.execute();
}
// now try to write all CID,prevCID; if check my writes is enabled, it can abort in case
// there are conflicts
return commitOrAbort(keyspace, txID, URN_author, versioned_entities, previous_commit_id);
}
/** Inserts a new row on the UserFiles SuperColumn Family */
@SuppressWarnings("unchecked")
public void insertRow(
String owner_name,
String fileName,
String fileID,
String size,
String chunks,
String version,
int defaultChunkSize) {
try {
Mutator<String> mutator = HFactory.createMutator(keyspaceOperator, stringSerializer);
mutator.insert(
owner_name,
"UserFiles",
HFactory.createSuperColumn(
fileName,
Arrays.asList(HFactory.createStringColumn("file_id", fileID)),
stringSerializer,
stringSerializer,
stringSerializer));
mutator.insert(
owner_name,
"UserFiles",
HFactory.createSuperColumn(
fileName,
Arrays.asList(HFactory.createStringColumn("size", size)),
stringSerializer,
stringSerializer,
stringSerializer));
mutator.insert(
owner_name,
"UserFiles",
HFactory.createSuperColumn(
fileName,
Arrays.asList(HFactory.createStringColumn("chunks", chunks)),
stringSerializer,
stringSerializer,
stringSerializer));
mutator.insert(
owner_name,
"UserFiles",
HFactory.createSuperColumn(
fileName,
Arrays.asList(HFactory.createStringColumn("version", version)),
stringSerializer,
stringSerializer,
stringSerializer));
mutator.insert(
owner_name,
"UserFiles",
HFactory.createSuperColumn(
fileName,
Arrays.asList(
HFactory.createStringColumn(
"default_chunk_size", String.valueOf(defaultChunkSize))),
stringSerializer,
stringSerializer,
stringSerializer));
} catch (HectorException e) {
log.error("Data was not inserted");
e.printStackTrace();
}
}
public CassandraWriteWork(Keyspace keyspace, CassandraWorkStatus callback) {
this.callback = callback;
mutator = HFactory.createMutator(keyspace, ByteBufferSerializer.get());
}
public Mutator<K> buildMutator() {
return HFactory.createMutator(this.keyspace, this.keySerializer);
}
/**
* @param outputTransportMessageConfiguration - topic name to publish messages
* @param message - is and Object[]{Event, EventDefinition}
* @param outputTransportAdaptorConfiguration
* @param tenantId
*/
public void publish(
OutputTransportAdaptorMessageConfiguration outputTransportMessageConfiguration,
Object message,
OutputTransportAdaptorConfiguration outputTransportAdaptorConfiguration,
int tenantId) {
if (message instanceof Map) {
ConcurrentHashMap<String, TransportAdaptorInfo> cassandraClusterCache =
tenantedCassandraClusterCache.get(tenantId);
if (null == cassandraClusterCache) {
cassandraClusterCache = new ConcurrentHashMap<String, TransportAdaptorInfo>();
if (null != tenantedCassandraClusterCache.putIfAbsent(tenantId, cassandraClusterCache)) {
cassandraClusterCache = tenantedCassandraClusterCache.get(tenantId);
}
}
TransportAdaptorInfo transportAdaptorInfo =
cassandraClusterCache.get(outputTransportAdaptorConfiguration.getName());
if (null == transportAdaptorInfo) {
Map<String, String> properties = outputTransportAdaptorConfiguration.getOutputProperties();
Map<String, String> credentials = new HashMap<String, String>();
credentials.put(
"username",
properties.get(CassandraTransportAdaptorConstants.TRANSPORT_CASSANDRA_USER_NAME));
credentials.put(
"password",
properties.get(CassandraTransportAdaptorConstants.TRANSPORT_CASSANDRA_PASSWORD));
Cluster cluster =
HFactory.createCluster(
properties.get(CassandraTransportAdaptorConstants.TRANSPORT_CASSANDRA_CLUSTER_NAME),
new CassandraHostConfigurator(
properties.get(CassandraTransportAdaptorConstants.TRANSPORT_CASSANDRA_HOSTNAME)
+ ":"
+ properties.get(
CassandraTransportAdaptorConstants.TRANSPORT_CASSANDRA_PORT)),
credentials);
String indexAllColumnsString =
properties.get(
CassandraTransportAdaptorConstants.TRANSPORT_CASSANDRA_INDEX_ALL_COLUMNS);
boolean indexAllColumns = false;
if (indexAllColumnsString != null && indexAllColumnsString.equals("true")) {
indexAllColumns = true;
}
transportAdaptorInfo = new TransportAdaptorInfo(cluster, indexAllColumns);
if (null
!= cassandraClusterCache.putIfAbsent(
outputTransportAdaptorConfiguration.getName(), transportAdaptorInfo)) {
transportAdaptorInfo =
cassandraClusterCache.get(outputTransportAdaptorConfiguration.getName());
} else {
log.info("Initiated Cassandra Writer " + outputTransportAdaptorConfiguration.getName());
}
}
String keySpaceName =
outputTransportMessageConfiguration
.getOutputMessageProperties()
.get(CassandraTransportAdaptorConstants.TRANSPORT_CASSANDRA_KEY_SPACE_NAME);
String columnFamilyName =
outputTransportMessageConfiguration
.getOutputMessageProperties()
.get(CassandraTransportAdaptorConstants.TRANSPORT_CASSANDRA_COLUMN_FAMILY_NAME);
MessageInfo messageInfo =
transportAdaptorInfo.getMessageInfoMap().get(outputTransportMessageConfiguration);
if (null == messageInfo) {
Keyspace keyspace =
HFactory.createKeyspace(keySpaceName, transportAdaptorInfo.getCluster());
messageInfo = new MessageInfo(keyspace);
if (null
!= transportAdaptorInfo
.getMessageInfoMap()
.putIfAbsent(outputTransportMessageConfiguration, messageInfo)) {
messageInfo =
transportAdaptorInfo.getMessageInfoMap().get(outputTransportMessageConfiguration);
}
}
if (transportAdaptorInfo.getCluster().describeKeyspace(keySpaceName) == null) {
BasicColumnFamilyDefinition columnFamilyDefinition = new BasicColumnFamilyDefinition();
columnFamilyDefinition.setKeyspaceName(keySpaceName);
columnFamilyDefinition.setName(columnFamilyName);
columnFamilyDefinition.setComparatorType(ComparatorType.UTF8TYPE);
columnFamilyDefinition.setDefaultValidationClass(ComparatorType.UTF8TYPE.getClassName());
columnFamilyDefinition.setKeyValidationClass(ComparatorType.UTF8TYPE.getClassName());
ColumnFamilyDefinition cfDef = new ThriftCfDef(columnFamilyDefinition);
KeyspaceDefinition keyspaceDefinition =
HFactory.createKeyspaceDefinition(
keySpaceName,
"org.apache.cassandra.locator.SimpleStrategy",
1,
Arrays.asList(cfDef));
transportAdaptorInfo.getCluster().addKeyspace(keyspaceDefinition);
KeyspaceDefinition fromCluster =
transportAdaptorInfo.getCluster().describeKeyspace(keySpaceName);
messageInfo.setColumnFamilyDefinition(
new BasicColumnFamilyDefinition(fromCluster.getCfDefs().get(0)));
} else {
KeyspaceDefinition fromCluster =
transportAdaptorInfo.getCluster().describeKeyspace(keySpaceName);
for (ColumnFamilyDefinition columnFamilyDefinition : fromCluster.getCfDefs()) {
if (columnFamilyDefinition.getName().equals(columnFamilyName)) {
messageInfo.setColumnFamilyDefinition(
new BasicColumnFamilyDefinition(columnFamilyDefinition));
break;
}
}
}
Mutator<String> mutator = HFactory.createMutator(messageInfo.getKeyspace(), sser);
String uuid = UUID.randomUUID().toString();
for (Map.Entry<String, Object> entry : ((Map<String, Object>) message).entrySet()) {
if (transportAdaptorInfo.isIndexAllColumns()
&& !messageInfo.getColumnNames().contains(entry.getKey())) {
BasicColumnFamilyDefinition columnFamilyDefinition =
messageInfo.getColumnFamilyDefinition();
BasicColumnDefinition columnDefinition = new BasicColumnDefinition();
columnDefinition.setName(StringSerializer.get().toByteBuffer(entry.getKey()));
columnDefinition.setIndexType(ColumnIndexType.KEYS);
columnDefinition.setIndexName(
keySpaceName + "_" + columnFamilyName + "_" + entry.getKey() + "_Index");
columnDefinition.setValidationClass(ComparatorType.UTF8TYPE.getClassName());
columnFamilyDefinition.addColumnDefinition(columnDefinition);
transportAdaptorInfo
.getCluster()
.updateColumnFamily(new ThriftCfDef(columnFamilyDefinition));
messageInfo.getColumnNames().add(entry.getKey());
}
mutator.insert(
uuid,
columnFamilyName,
HFactory.createStringColumn(entry.getKey(), entry.getValue().toString()));
}
mutator.execute();
}
}
