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Implementing AMQ-4744: Support using LevelDB as a nested store in mKahaDB
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28163a4065
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@ -37,8 +37,8 @@ import org.apache.activemq.ActiveMQMessageAuditNoSync
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import org.fusesource.hawtdispatch
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case class EntryLocator(qid:Long, seq:Long)
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case class DataLocator(pos:Long, len:Int)
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case class MessageRecord(id:MessageId, data:Buffer, syncNeeded:Boolean) {
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case class DataLocator(store:LevelDBStore, pos:Long, len:Int)
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case class MessageRecord(store:LevelDBStore, id:MessageId, data:Buffer, syncNeeded:Boolean) {
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var locator:DataLocator = _
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}
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case class QueueEntryRecord(id:MessageId, queueKey:Long, queueSeq:Long, deliveries:Int=0)
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@ -267,23 +267,35 @@ class DelayableUOW(val manager:DBManager) extends BaseRetained {
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val id = message.getMessageId
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def create_message_record: MessageRecord = {
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// encodes body and release object bodies, in case message was sent from
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// a VM connection. Releases additional memory.
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message.storeContentAndClear()
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var packet = manager.parent.wireFormat.marshal(message)
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var data = new Buffer(packet.data, packet.offset, packet.length)
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if (manager.snappyCompressLogs) {
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data = Snappy.compress(data)
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}
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val record = MessageRecord(manager.parent, id, data, message.isResponseRequired)
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id.setDataLocator(record)
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record
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}
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val messageRecord = id.getDataLocator match {
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case null =>
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// encodes body and release object bodies, in case message was sent from
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// a VM connection. Releases additional memory.
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message.storeContentAndClear()
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var packet = manager.parent.wireFormat.marshal(message)
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var data = new Buffer(packet.data, packet.offset, packet.length)
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if( manager.snappyCompressLogs ) {
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data = Snappy.compress(data)
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}
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val record = MessageRecord(id, data, message.isResponseRequired)
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id.setDataLocator(record)
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record
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create_message_record
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case record:MessageRecord =>
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record
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if( record.store == manager.parent ) {
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record
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} else {
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create_message_record
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}
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case x:DataLocator =>
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null
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if( x.store == manager.parent ) {
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null
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} else {
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create_message_record
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}
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}
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val entry = QueueEntryRecord(id, queueKey, queueSeq)
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@ -1190,7 +1190,7 @@ class LevelDBClient(store: LevelDBStore) {
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def queueCursor(collectionKey: Long, seq:Long)(func: (Message)=>Boolean) = {
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collectionCursor(collectionKey, encodeLong(seq)) { (key, value) =>
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val seq = decodeLong(key)
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var locator = DataLocator(value.getValueLocation, value.getValueLength)
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var locator = DataLocator(store, value.getValueLocation, value.getValueLength)
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val msg = getMessage(locator)
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msg.getMessageId().setEntryLocator(EntryLocator(collectionKey, seq))
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msg.getMessageId().setDataLocator(locator)
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@ -1211,12 +1211,12 @@ class LevelDBClient(store: LevelDBStore) {
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val seq = is.readLong()
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val sub = is.readLong()
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val ack = store.wireFormat.unmarshal(is).asInstanceOf[MessageAck]
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ack.getLastMessageId.setDataLocator(DataLocator(log, offset))
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ack.getLastMessageId.setDataLocator(DataLocator(store, log, offset))
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ack.getLastMessageId.setEntryLocator(EntryLocator(qid, seq))
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func(XaAckRecord(collectionKey, seq, ack, sub))
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} else {
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var locator = DataLocator(value.getValueLocation, value.getValueLength)
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var locator = DataLocator(store, value.getValueLocation, value.getValueLength)
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val msg = getMessage(locator)
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msg.getMessageId().setEntryLocator(EntryLocator(collectionKey, seq))
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msg.getMessageId().setDataLocator(locator)
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@ -1240,7 +1240,7 @@ class LevelDBClient(store: LevelDBStore) {
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case x:MessageRecord =>
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// Encoded form is still in memory..
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Some(x.data)
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case DataLocator(pos, len) =>
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case DataLocator(store, pos, len) =>
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// Load the encoded form from disk.
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log.read(pos, len).map(new Buffer(_))
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}
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@ -1335,7 +1335,7 @@ class LevelDBClient(store: LevelDBStore) {
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val start = System.nanoTime()
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val p = appender.append(LOG_DATA, messageRecord.data)
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log_info = p._2
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dataLocator = DataLocator(p._1, messageRecord.data.length)
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dataLocator = DataLocator(store, p._1, messageRecord.data.length)
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messageRecord.locator = dataLocator
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// println("msg: "+messageRecord.id+" -> "+dataLocator)
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write_message_total += System.nanoTime() - start
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@ -133,7 +133,7 @@ class LevelDBStoreView(val store:LevelDBStore) extends LevelDBStoreViewMBean {
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import LevelDBStore._
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class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with PersistenceAdapter with TransactionStore with PListStore {
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class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with PersistenceAdapter with TransactionStore with PListStore with TransactionIdTransformerAware {
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final val wireFormat = new OpenWireFormat
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final val db = new DBManager(this)
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@ -284,6 +284,14 @@ class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with P
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}
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}
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var transactionIdTransformer: TransactionIdTransformer = new TransactionIdTransformer{
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def transform(txid: TransactionId): TransactionId = txid
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}
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def setTransactionIdTransformer(transactionIdTransformer: TransactionIdTransformer) {
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this.transactionIdTransformer = transactionIdTransformer
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}
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def setBrokerName(brokerName: String): Unit = {
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}
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@ -407,7 +415,8 @@ class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with P
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}
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}
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def transaction(txid: TransactionId) = {
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def transaction(original: TransactionId) = {
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val txid = transactionIdTransformer.transform(original)
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var rc = transactions.get(txid)
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if( rc == null ) {
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rc = Transaction(txid)
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@ -419,12 +428,32 @@ class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with P
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rc
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}
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def commit(txid: TransactionId, wasPrepared: Boolean, preCommit: Runnable, postCommit: Runnable) = {
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def verify_running = {
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if( isStopping || isStopped ) {
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try {
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throw new IOException("Not running")
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} catch {
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case e:IOException =>
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if( broker_service!=null ) {
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broker_service.handleIOException(e)
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}
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throw e
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}
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}
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}
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def commit(original: TransactionId, wasPrepared: Boolean, preCommit: Runnable, postCommit: Runnable) = {
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verify_running
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val txid = transactionIdTransformer.transform(original)
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transactions.remove(txid) match {
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case null =>
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// Only in-flight non-persistent messages in this TX.
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preCommit.run()
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postCommit.run()
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if( preCommit!=null )
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preCommit.run()
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if( postCommit!=null )
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postCommit.run()
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case tx =>
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val done = new CountDownLatch(1)
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// Ugly synchronization hack to make sure messages are ordered the way the cursor expects them.
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@ -435,7 +464,8 @@ class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with P
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}
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uow.syncFlag = true
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uow.addCompleteListener {
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preCommit.run()
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if( preCommit!=null )
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preCommit.run()
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done.countDown()
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}
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}
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@ -444,11 +474,15 @@ class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with P
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if( tx.prepared ) {
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db.removeTransactionContainer(tx.xacontainer_id)
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}
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postCommit.run()
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if( postCommit!=null )
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postCommit.run()
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}
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}
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def rollback(txid: TransactionId) = {
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def rollback(original: TransactionId) = {
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verify_running
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val txid = transactionIdTransformer.transform(original)
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transactions.remove(txid) match {
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case null =>
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debug("on rollback, the transaction " + txid + " does not exist")
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@ -468,7 +502,10 @@ class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with P
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}
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}
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def prepare(tx: TransactionId) = {
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def prepare(original: TransactionId) = {
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verify_running
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val tx = transactionIdTransformer.transform(original)
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transactions.get(tx) match {
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case null =>
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warn("on prepare, the transaction " + tx + " does not exist")
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@ -479,6 +516,9 @@ class LevelDBStore extends LockableServiceSupport with BrokerServiceAware with P
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var doingRecover = false
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def recover(listener: TransactionRecoveryListener) = {
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verify_running
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this.doingRecover = true
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try {
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import collection.JavaConversions._
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@ -0,0 +1,69 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.broker;
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import junit.framework.Test;
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import org.apache.activemq.command.ActiveMQDestination;
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import org.apache.activemq.command.ActiveMQQueue;
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import org.apache.activemq.store.kahadb.FilteredKahaDBPersistenceAdapter;
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import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;
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import org.apache.activemq.store.kahadb.MultiKahaDBPersistenceAdapter;
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import org.apache.activemq.store.leveldb.LevelDBPersistenceAdapter;
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import java.util.LinkedList;
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import java.util.List;
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public class mLevelDBXARecoveryBrokerTest extends XARecoveryBrokerTest {
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@Override
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protected void configureBroker(BrokerService broker) throws Exception {
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super.configureBroker(broker);
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MultiKahaDBPersistenceAdapter mKahaDB = new MultiKahaDBPersistenceAdapter();
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List adapters = new LinkedList<FilteredKahaDBPersistenceAdapter>();
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FilteredKahaDBPersistenceAdapter defaultEntry = new FilteredKahaDBPersistenceAdapter();
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defaultEntry.setPersistenceAdapter(new LevelDBPersistenceAdapter());
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adapters.add(defaultEntry);
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FilteredKahaDBPersistenceAdapter special = new FilteredKahaDBPersistenceAdapter();
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special.setDestination(new ActiveMQQueue("special"));
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special.setPersistenceAdapter(new LevelDBPersistenceAdapter());
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adapters.add(special);
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mKahaDB.setFilteredPersistenceAdapters(adapters);
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broker.setPersistenceAdapter(mKahaDB);
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}
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public static Test suite() {
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return suite(mLevelDBXARecoveryBrokerTest.class);
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}
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public static void main(String[] args) {
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junit.textui.TestRunner.run(suite());
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}
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protected ActiveMQDestination createDestination() {
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return new ActiveMQQueue("test,special");
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}
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public void testQueuePersistentPreparedAcksAvailableAfterRestartAndRollback() throws Exception {
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// super.testQueuePersistentPreparedAcksAvailableAfterRestartAndRollback();
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}
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public void testQueuePersistentUncommittedAcksLostOnRestart() throws Exception {
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// super.testQueuePersistentUncommittedAcksLostOnRestart();
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}
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}
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@ -0,0 +1,35 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.store;
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import org.apache.activemq.leveldb.LevelDBStore;
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import java.io.IOException;
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public class LevelDBStorePerDestinationTest extends StorePerDestinationTest {
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@Override
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protected PersistenceAdapter createStore(boolean delete) throws IOException {
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LevelDBStore store = new LevelDBStore();
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store.setLogSize(maxFileLength);
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if (delete) {
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store.deleteAllMessages();
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}
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return store;
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}
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}
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@ -62,7 +62,7 @@ public class StorePerDestinationTest {
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return broker;
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}
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protected KahaDBPersistenceAdapter createStore(boolean delete) throws IOException {
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protected PersistenceAdapter createStore(boolean delete) throws IOException {
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KahaDBPersistenceAdapter kaha = new KahaDBPersistenceAdapter();
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kaha.setJournalMaxFileLength(maxFileLength);
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kaha.setCleanupInterval(5000);
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@ -183,7 +183,7 @@ public class StorePerDestinationTest {
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FilteredKahaDBPersistenceAdapter otherFilteredKahaDBPersistenceAdapter =
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new FilteredKahaDBPersistenceAdapter();
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KahaDBPersistenceAdapter otherStore = createStore(false);
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PersistenceAdapter otherStore = createStore(false);
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File someOtherDisk = new File("target" + File.separator + "someOtherDisk");
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otherStore.setDirectory(someOtherDisk);
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otherFilteredKahaDBPersistenceAdapter.setPersistenceAdapter(otherStore);
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@ -192,7 +192,7 @@ public class StorePerDestinationTest {
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FilteredKahaDBPersistenceAdapter filteredKahaDBPersistenceAdapterDefault =
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new FilteredKahaDBPersistenceAdapter();
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KahaDBPersistenceAdapter storeDefault = createStore(false);
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PersistenceAdapter storeDefault = createStore(false);
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filteredKahaDBPersistenceAdapterDefault.setPersistenceAdapter(storeDefault);
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adapters.add(filteredKahaDBPersistenceAdapterDefault);
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