private static void loadPreviousConfig(String config) throws ConfigurationException {
try {
XMLUtils xmlUtils = new XMLUtils(config);
conf.cluster_name = xmlUtils.getNodeValue("/Storage/ClusterName");
String syncRaw = xmlUtils.getNodeValue("/Storage/CommitLogSync");
conf.commitlog_sync = Config.CommitLogSync.valueOf(syncRaw);
if (conf.commitlog_sync != null) {
if (conf.commitlog_sync == Config.CommitLogSync.batch)
conf.commitlog_sync_batch_window_in_ms =
Double.valueOf(xmlUtils.getNodeValue("/Storage/CommitLogSyncBatchWindowInMS"));
else
conf.commitlog_sync_period_in_ms =
Integer.valueOf(xmlUtils.getNodeValue("/Storage/CommitLogSyncPeriodInMS"));
}
String modeRaw = xmlUtils.getNodeValue("/Storage/DiskAccessMode");
conf.disk_access_mode = Config.DiskAccessMode.valueOf(modeRaw);
conf.authenticator = xmlUtils.getNodeValue("/Storage/Authenticator");
// handle the authc/authz split by configuring SimpleAuthority if SimpleAuthenticator is in
// use
if (conf.authenticator != null
&& conf.authenticator.equals(SimpleAuthenticator.class.getName()))
conf.authority = SimpleAuthority.class.getName();
/* Hashing strategy */
conf.partitioner = xmlUtils.getNodeValue("/Storage/Partitioner");
conf.job_tracker_host = xmlUtils.getNodeValue("/Storage/JobTrackerHost");
conf.job_jar_file_location = xmlUtils.getNodeValue("/Storage/JobJarFileLocation");
conf.initial_token = xmlUtils.getNodeValue("/Storage/InitialToken");
String rpcTimeout = xmlUtils.getNodeValue("/Storage/RpcTimeoutInMillis");
if (rpcTimeout != null) conf.rpc_timeout_in_ms = Long.parseLong(rpcTimeout);
String rawReaders = xmlUtils.getNodeValue("/Storage/ConcurrentReads");
if (rawReaders != null) {
conf.concurrent_reads = Integer.parseInt(rawReaders);
}
String rawWriters = xmlUtils.getNodeValue("/Storage/ConcurrentWrites");
if (rawWriters != null) {
conf.concurrent_writes = Integer.parseInt(rawWriters);
}
String rawSlicedBuffer = xmlUtils.getNodeValue("/Storage/SlicedBufferSizeInKB");
if (rawSlicedBuffer != null) {
conf.sliced_buffer_size_in_kb = Integer.parseInt(rawSlicedBuffer);
}
String bmtThresh = xmlUtils.getNodeValue("/Storage/BinaryMemtableThroughputInMB");
if (bmtThresh != null) {
conf.binary_memtable_throughput_in_mb = Integer.parseInt(bmtThresh);
}
/* TCP port on which the storage system listens */
String port = xmlUtils.getNodeValue("/Storage/StoragePort");
if (port != null) conf.storage_port = Integer.parseInt(port);
/* Local IP or hostname to bind services to */
conf.listen_address = xmlUtils.getNodeValue("/Storage/ListenAddress");
conf.rpc_address = xmlUtils.getNodeValue("/Storage/RPCAddress");
port = xmlUtils.getNodeValue("/Storage/RPCPort");
if (port != null) conf.rpc_port = Integer.parseInt(port);
String framedRaw = xmlUtils.getNodeValue("/Storage/ThriftFramedTransport");
if (framedRaw != null && !Boolean.valueOf(framedRaw)) {
conf.thrift_framed_transport_size_in_mb = 0;
System.out.println(
"WARN : Thrift uses framed Transport by default in 0.7! Setting TFramedTransportSize to 0MB (disabled).");
} else {
conf.thrift_framed_transport_size_in_mb = 15;
System.out.println("TFramedTransport will have a maximum frame size of 15MB");
}
String sbc = xmlUtils.getNodeValue("/Storage/SnapshotBeforeCompaction");
if (sbc != null) {
conf.snapshot_before_compaction = Boolean.valueOf(sbc);
}
String autoBootstr = xmlUtils.getNodeValue("/Storage/AutoBootstrap");
if (autoBootstr != null) {
conf.auto_bootstrap = Boolean.valueOf(autoBootstr);
}
String lifetime = xmlUtils.getNodeValue("/Storage/MemtableFlushAfterMinutes");
if (lifetime != null) conf.memtable_flush_after_mins = Integer.parseInt(lifetime);
String memtableSize = xmlUtils.getNodeValue("/Storage/MemtableThroughputInMB");
if (memtableSize != null) conf.memtable_throughput_in_mb = Integer.parseInt(memtableSize);
String memtableObjectCount = xmlUtils.getNodeValue("/Storage/MemtableOperationsInMillions");
if (memtableObjectCount != null)
conf.memtable_operations_in_millions = Double.parseDouble(memtableObjectCount);
String columnIndexSize = xmlUtils.getNodeValue("/Storage/ColumnIndexSizeInKB");
if (columnIndexSize != null) {
conf.column_index_size_in_kb = Integer.parseInt(columnIndexSize);
}
conf.data_file_directories =
xmlUtils.getNodeValues("/Storage/DataFileDirectories/DataFileDirectory");
conf.commitlog_directory = xmlUtils.getNodeValue("/Storage/CommitLogDirectory");
String value = xmlUtils.getNodeValue("/Storage/CommitLogRotationThresholdInMB");
if (value != null) conf.commitlog_rotation_threshold_in_mb = Integer.parseInt(value);
conf.seeds = xmlUtils.getNodeValues("/Storage/Seeds/Seed");
conf.keyspaces = readTablesFromXml(xmlUtils);
} catch (ParserConfigurationException e) {
System.out.println("Parser error during previous config load.");
throw new ConfigurationException("Parser error during previous config load.");
} catch (SAXException e) {
System.out.println("SAX error during previous config load.");
throw new ConfigurationException("SAX error during previous config load.");
} catch (IOException e) {
System.out.println("File I/O error during previous config load.");
throw new ConfigurationException("File I/O error during previous config load.");
} catch (XPathExpressionException e) {
System.out.println("XPath error during previous config load.");
throw new ConfigurationException("XPath error during previous config load.");
}
}
