private void writeTransaction(XMLExtendedStreamWriter writer, Configuration configuration)
throws XMLStreamException {
TransactionConfiguration transaction = configuration.transaction();
AttributeSet attributes = transaction.attributes();
if (attributes.isModified()) {
writer.writeStartElement(Element.TRANSACTION);
TransactionMode mode =
TransactionMode.fromConfiguration(
transaction.transactionMode(),
!transaction.useSynchronization(),
transaction.recovery().enabled(),
configuration.invocationBatching().enabled());
writer.writeAttribute(Attribute.MODE, mode.toString());
attributes.write(writer);
if (mode != TransactionMode.NONE) {
attributes.write(writer, TransactionConfiguration.TRANSACTION_MANAGER_LOOKUP);
}
if (transaction.recovery().enabled())
transaction
.recovery()
.attributes()
.write(
writer,
RecoveryConfiguration.RECOVERY_INFO_CACHE_NAME,
Attribute.RECOVERY_INFO_CACHE_NAME);
writer.writeEndElement();
}
}
private void writeReplicatedCache(
XMLExtendedStreamWriter writer, String name, Configuration configuration)
throws XMLStreamException {
writer.writeStartElement(Element.REPLICATED_CACHE);
writeCommonClusteredCacheAttributes(writer, configuration);
writeCommonCacheAttributesElements(writer, name, configuration);
writer.writeEndElement();
}
private void writeInvalidationCache(
XMLExtendedStreamWriter writer, String name, Configuration configuration)
throws XMLStreamException {
writer.writeStartElement(Element.INVALIDATION_CACHE);
writeCommonClusteredCacheAttributes(writer, configuration);
writeCommonCacheAttributesElements(writer, name, configuration);
writer.writeEndElement();
}
private void writeCustomStore(
XMLExtendedStreamWriter writer, CustomStoreConfiguration configuration)
throws XMLStreamException {
writer.writeStartElement(Element.STORE);
configuration.attributes().write(writer);
writeCommonStoreSubAttributes(writer, configuration);
writeCommonStoreElements(writer, configuration);
writer.writeEndElement();
}
private void writeClusterLoader(
XMLExtendedStreamWriter writer, ClusterLoaderConfiguration configuration)
throws XMLStreamException {
writer.writeStartElement(Element.CLUSTER_LOADER);
configuration.attributes().write(writer);
writeCommonStoreSubAttributes(writer, configuration);
writeCommonStoreElements(writer, configuration);
writer.writeEndElement();
}
private void writeThreadFactory(
XMLExtendedStreamWriter writer, DefaultThreadFactory threadFactory)
throws XMLStreamException {
writer.writeStartElement(Element.THREAD_FACTORY);
writeOptional(writer, Attribute.NAME, threadFactory.getName());
writeOptional(writer, Attribute.GROUP_NAME, threadFactory.threadGroup().getName());
writeOptional(writer, Attribute.THREAD_NAME_PATTERN, threadFactory.threadNamePattern());
writer.writeAttribute(Attribute.PRIORITY, Integer.toString(threadFactory.initialPriority()));
writer.writeEndElement();
}
private void writeLocalCache(
XMLExtendedStreamWriter writer, String name, Configuration configuration)
throws XMLStreamException {
writer.writeStartElement(Element.LOCAL_CACHE);
if (configuration.simpleCache()) {
configuration.attributes().write(writer, Configuration.SIMPLE_CACHE, Attribute.SIMPLE_CACHE);
}
writeCommonCacheAttributesElements(writer, name, configuration);
writer.writeEndElement();
}
private void writeIndexing(XMLExtendedStreamWriter writer, Configuration configuration)
throws XMLStreamException {
IndexingConfiguration indexing = configuration.indexing();
AttributeSet attributes = indexing.attributes();
if (attributes.isModified()) {
writer.writeStartElement(Element.INDEXING);
attributes.write(writer, IndexingConfiguration.INDEX, Attribute.INDEX);
attributes.write(writer, IndexingConfiguration.AUTO_CONFIG, Attribute.AUTO_CONFIG);
writeTypedProperties(writer, indexing.properties());
writer.writeEndElement();
}
}
private void writeGenericStore(
XMLExtendedStreamWriter writer,
String storeClassName,
AbstractStoreConfiguration configuration)
throws XMLStreamException {
writer.writeStartElement(Element.STORE);
writer.writeAttribute(Attribute.CLASS.getLocalName(), storeClassName);
configuration.attributes().write(writer);
writeCommonStoreSubAttributes(writer, configuration);
writeCommonStoreElements(writer, configuration);
writer.writeEndElement();
}
private void writeAdvancedSerializers(
XMLExtendedStreamWriter writer, GlobalConfiguration globalConfiguration)
throws XMLStreamException {
Map<Integer, AdvancedExternalizer<?>> externalizers =
globalConfiguration.serialization().advancedExternalizers();
for (Entry<Integer, AdvancedExternalizer<?>> externalizer : externalizers.entrySet()) {
writer.writeStartElement(Element.ADVANCED_EXTERNALIZER);
writer.writeAttribute(Attribute.ID, Integer.toString(externalizer.getKey()));
writer.writeAttribute(Attribute.CLASS, externalizer.getValue().getClass().getName());
writer.writeEndElement();
}
}
private void writeSecurity(XMLExtendedStreamWriter writer, Configuration configuration)
throws XMLStreamException {
AuthorizationConfiguration authorization = configuration.security().authorization();
AttributeSet attributes = authorization.attributes();
if (attributes.isModified()) {
writer.writeStartElement(Element.SECURITY);
writer.writeStartElement(Element.AUTHORIZATION);
attributes.write(writer, AuthorizationConfiguration.ENABLED, Attribute.ENABLED);
writeCollectionAsAttribute(writer, Attribute.ROLES, authorization.roles());
writer.writeEndElement();
writer.writeEndElement();
}
}
private void writePersistence(XMLExtendedStreamWriter writer, Configuration configuration)
throws XMLStreamException {
PersistenceConfiguration persistence = configuration.persistence();
AttributeSet attributes = persistence.attributes();
if (attributes.isModified() || persistence.stores().size() > 0) {
writer.writeStartElement(Element.PERSISTENCE);
attributes.write(writer, PersistenceConfiguration.PASSIVATION, Attribute.PASSIVATION);
for (StoreConfiguration store : persistence.stores()) {
writeStore(writer, store);
}
writer.writeEndElement();
}
}
private void writeSerialization(
XMLExtendedStreamWriter writer, GlobalConfiguration globalConfiguration)
throws XMLStreamException {
SerializationConfiguration serialization = globalConfiguration.serialization();
AttributeSet attributes = serialization.attributes();
if (attributes.isModified()) {
writer.writeStartElement(Element.SERIALIZATION);
attributes.write(writer, SerializationConfiguration.MARSHALLER, Attribute.MARSHALLER_CLASS);
if (attributes.attribute(SerializationConfiguration.VERSION).isModified()) {
writer.writeAttribute(Attribute.VERSION, Version.decodeVersion(serialization.version()));
}
writeAdvancedSerializers(writer, globalConfiguration);
writer.writeEndElement();
}
}
private void writeDataContainer(XMLExtendedStreamWriter writer, Configuration configuration)
throws XMLStreamException {
DataContainerConfiguration dataContainer = configuration.dataContainer();
AttributeSet attributes = dataContainer.attributes();
if (attributes.isModified()) {
writer.writeStartElement(Element.DATA_CONTAINER);
attributes.write(writer, DataContainerConfiguration.DATA_CONTAINER, Attribute.CLASS);
attributes.write(
writer, DataContainerConfiguration.KEY_EQUIVALENCE, Attribute.KEY_EQUIVALENCE);
attributes.write(
writer, DataContainerConfiguration.VALUE_EQUIVALENCE, Attribute.VALUE_EQUIVALENCE);
writeTypedProperties(writer, dataContainer.properties());
writer.writeEndElement();
}
}
private void writeCommonCacheAttributesElements(
XMLExtendedStreamWriter writer, String name, Configuration configuration)
throws XMLStreamException {
writer.writeAttribute(Attribute.NAME, name);
configuration
.jmxStatistics()
.attributes()
.write(writer, JMXStatisticsConfiguration.ENABLED, Attribute.STATISTICS);
if (configuration.deadlockDetection().enabled()) {
writer.writeAttribute(
Attribute.SPIN_DURATION, Long.toString(configuration.deadlockDetection().spinDuration()));
}
configuration.unsafe().attributes().write(writer);
writeBackup(writer, configuration);
configuration.sites().backupFor().attributes().write(writer, Element.BACKUP_FOR.getLocalName());
configuration.locking().attributes().write(writer, Element.LOCKING.getLocalName());
writeTransaction(writer, configuration);
configuration.eviction().attributes().write(writer, Element.EVICTION.getLocalName());
configuration.expiration().attributes().write(writer, Element.EXPIRATION.getLocalName());
if (configuration.compatibility().enabled())
configuration
.compatibility()
.attributes()
.write(writer, Element.COMPATIBILITY.getLocalName());
if (configuration.storeAsBinary().enabled())
configuration
.storeAsBinary()
.attributes()
.write(writer, Element.STORE_AS_BINARY.getLocalName());
writePersistence(writer, configuration);
configuration.versioning().attributes().write(writer, Element.VERSIONING.getLocalName());
writeDataContainer(writer, configuration);
writeIndexing(writer, configuration);
writeCustomInterceptors(writer, configuration);
writeSecurity(writer, configuration);
if (configuration.clustering().cacheMode().needsStateTransfer()) {
configuration
.clustering()
.stateTransfer()
.attributes()
.write(writer, Element.STATE_TRANSFER.getLocalName());
}
configuration
.clustering()
.partitionHandling()
.attributes()
.write(writer, Element.PARTITION_HANDLING.getLocalName());
}
private void writeStore(XMLExtendedStreamWriter writer, StoreConfiguration configuration)
throws XMLStreamException {
if (configuration instanceof SingleFileStoreConfiguration) {
writeFileStore(writer, (SingleFileStoreConfiguration) configuration);
} else if (configuration instanceof ClusterLoaderConfiguration) {
writeClusterLoader(writer, (ClusterLoaderConfiguration) configuration);
} else if (configuration instanceof CustomStoreConfiguration) {
writeCustomStore(writer, (CustomStoreConfiguration) configuration);
} else {
SerializedWith serializedWith = configuration.getClass().getAnnotation(SerializedWith.class);
if (serializedWith == null) {
ConfigurationFor configurationFor =
configuration.getClass().getAnnotation(ConfigurationFor.class);
if (configuration instanceof AbstractStoreConfiguration && configurationFor != null) {
writer.writeComment(
"A serializer for the store configuration class "
+ configuration.getClass().getName()
+ " was not found. Using custom store mode");
AbstractStoreConfiguration asc = (AbstractStoreConfiguration) configuration;
writeGenericStore(writer, configurationFor.value().getName(), asc);
} else
throw new UnsupportedOperationException(
"Cannot serialize store configuration " + configuration.getClass().getName());
} else {
ConfigurationSerializer<StoreConfiguration> serializer;
try {
serializer = Util.getInstanceStrict(serializedWith.value());
serializer.serialize(writer, configuration);
} catch (Exception e) {
log.unableToInstantiateSerializer(serializedWith.value());
}
}
}
}
private void writeCacheContainer(XMLExtendedStreamWriter writer, ConfigurationHolder holder)
throws XMLStreamException {
writer.writeStartElement(Element.CACHE_CONTAINER);
GlobalConfiguration globalConfiguration = holder.getGlobalConfiguration();
writer.writeAttribute(
Attribute.NAME, globalConfiguration.globalJmxStatistics().cacheManagerName());
if (globalConfiguration.shutdown().hookBehavior() != ShutdownHookBehavior.DEFAULT) {
writer.writeAttribute(
Attribute.SHUTDOWN_HOOK, globalConfiguration.shutdown().hookBehavior().name());
}
globalConfiguration
.globalJmxStatistics()
.attributes()
.write(writer, GlobalJmxStatisticsConfiguration.ENABLED, Attribute.STATISTICS);
if (globalConfiguration.asyncThreadPool().threadPoolFactory() != null) {
writer.writeAttribute(Attribute.ASYNC_EXECUTOR, "async-pool");
}
if (globalConfiguration.expirationThreadPool().threadPoolFactory() != null) {
writer.writeAttribute(Attribute.EXPIRATION_EXECUTOR, "expiration-pool");
}
if (globalConfiguration.listenerThreadPool().threadPoolFactory() != null) {
writer.writeAttribute(Attribute.LISTENER_EXECUTOR, "listener-pool");
}
if (globalConfiguration.persistenceThreadPool().threadPoolFactory() != null) {
writer.writeAttribute(Attribute.PERSISTENCE_EXECUTOR, "persistence-pool");
}
if (globalConfiguration.stateTransferThreadPool().threadPoolFactory() != null) {
writer.writeAttribute(Attribute.STATE_TRANSFER_EXECUTOR, "state-transfer-pool");
}
writeTransport(writer, globalConfiguration);
writeSerialization(writer, globalConfiguration);
writeJMX(writer, globalConfiguration);
for (Entry<String, Configuration> configuration : holder.getConfigurations().entrySet()) {
Configuration config = configuration.getValue();
switch (config.clustering().cacheMode()) {
case LOCAL:
writeLocalCache(writer, configuration.getKey(), config);
break;
case DIST_ASYNC:
case DIST_SYNC:
writeDistributedCache(writer, configuration.getKey(), config);
break;
case INVALIDATION_ASYNC:
case INVALIDATION_SYNC:
writeInvalidationCache(writer, configuration.getKey(), config);
break;
case REPL_ASYNC:
case REPL_SYNC:
writeReplicatedCache(writer, configuration.getKey(), config);
break;
default:
break;
}
}
}
private void writeCommonClusteredCacheAttributes(
XMLExtendedStreamWriter writer, Configuration configuration) throws XMLStreamException {
ClusteringConfiguration clustering = configuration.clustering();
writer.writeAttribute(
Attribute.MODE, clustering.cacheMode().isSynchronous() ? "SYNC" : "ASYNC");
AttributeSet syncAttributes = clustering.sync().attributes();
syncAttributes.write(writer, ClusteringConfiguration.REMOTE_TIMEOUT, Attribute.REMOTE_TIMEOUT);
}
private void writeCustomInterceptors(XMLExtendedStreamWriter writer, Configuration configuration)
throws XMLStreamException {
CustomInterceptorsConfiguration customInterceptors = configuration.customInterceptors();
if (customInterceptors.interceptors().size() > 0) {
writer.writeStartElement(Element.CUSTOM_INTERCEPTORS);
for (InterceptorConfiguration interceptor : customInterceptors.interceptors()) {
AttributeSet attributes = interceptor.attributes();
writer.writeStartElement(Element.INTERCEPTOR);
attributes.write(writer, InterceptorConfiguration.INTERCEPTOR_CLASS, Attribute.CLASS);
attributes.write(writer, InterceptorConfiguration.AFTER, Attribute.AFTER);
attributes.write(writer, InterceptorConfiguration.BEFORE, Attribute.BEFORE);
attributes.write(writer, InterceptorConfiguration.INDEX, Attribute.INDEX);
attributes.write(writer, InterceptorConfiguration.POSITION, Attribute.POSITION);
writeTypedProperties(writer, interceptor.properties());
writer.writeEndElement();
}
writer.writeEndElement();
}
}
private void writeJMX(XMLExtendedStreamWriter writer, GlobalConfiguration globalConfiguration)
throws XMLStreamException {
GlobalJmxStatisticsConfiguration globalJmxStatistics =
globalConfiguration.globalJmxStatistics();
AttributeSet attributes = globalJmxStatistics.attributes();
if (attributes.isModified()) {
writer.writeStartElement(Element.JMX);
attributes.write(writer, GlobalJmxStatisticsConfiguration.JMX_DOMAIN, Attribute.JMX_DOMAIN);
attributes.write(
writer,
GlobalJmxStatisticsConfiguration.ALLOW_DUPLICATE_DOMAINS,
Attribute.ALLOW_DUPLICATE_DOMAINS);
attributes.write(
writer,
GlobalJmxStatisticsConfiguration.MBEAN_SERVER_LOOKUP,
Attribute.MBEAN_SERVER_LOOKUP);
writeTypedProperties(
writer, attributes.attribute(GlobalJmxStatisticsConfiguration.PROPERTIES).get());
writer.writeEndElement();
}
}
private void writeTransport(
XMLExtendedStreamWriter writer, GlobalConfiguration globalConfiguration)
throws XMLStreamException {
TransportConfiguration transport = globalConfiguration.transport();
AttributeSet attributes = transport.attributes();
if (attributes.isModified()) {
writer.writeStartElement(Element.TRANSPORT);
attributes.write(writer, TransportConfiguration.CLUSTER_NAME, Attribute.CLUSTER);
attributes.write(writer, TransportConfiguration.MACHINE_ID, Attribute.MACHINE_ID);
attributes.write(writer, TransportConfiguration.RACK_ID, Attribute.RACK_ID);
if (transport.siteId() != null) {
attributes.write(writer, TransportConfiguration.SITE_ID, Attribute.SITE);
} else if (globalConfiguration.sites().localSite() != null) {
writer.writeAttribute(Attribute.SITE, globalConfiguration.sites().localSite());
}
attributes.write(writer, TransportConfiguration.NODE_NAME, Attribute.NODE_NAME);
TypedProperties properties = globalConfiguration.transport().properties();
if (properties.containsKey("stack")) {
writer.writeAttribute(Attribute.STACK, properties.getProperty("stack"));
}
if (transport.remoteCommandThreadPool().threadPoolFactory() != null) {
writer.writeAttribute(Attribute.REMOTE_COMMAND_EXECUTOR, "remote-command-pool");
}
if (transport.transportThreadPool().threadPoolFactory() != null) {
writer.writeAttribute(Attribute.EXECUTOR, "transport-pool");
}
writer.writeEndElement();
}
}
private void writeCollectionAsAttribute(
XMLExtendedStreamWriter writer, Attribute attribute, Collection<String> collection)
throws XMLStreamException {
if (!collection.isEmpty()) {
StringBuilder result = new StringBuilder();
boolean separator = false;
for (String item : collection) {
if (separator) result.append(" ");
result.append(item);
separator = true;
}
writer.writeAttribute(attribute, result.toString());
}
}
private void writeThreads(XMLExtendedStreamWriter writer, GlobalConfiguration globalConfiguration)
throws XMLStreamException {
writer.writeStartElement(Element.THREADS);
ConcurrentMap<String, DefaultThreadFactory> threadFactories =
CollectionFactory.makeConcurrentMap();
for (ThreadPoolConfiguration threadPoolConfiguration :
Arrays.asList(
globalConfiguration.expirationThreadPool(),
globalConfiguration.listenerThreadPool(),
globalConfiguration.persistenceThreadPool(),
globalConfiguration.replicationQueueThreadPool(),
globalConfiguration.stateTransferThreadPool(),
globalConfiguration.transport().remoteCommandThreadPool(),
globalConfiguration.transport().transportThreadPool())) {
ThreadFactory threadFactory = threadPoolConfiguration.threadFactory();
if (threadFactory instanceof DefaultThreadFactory) {
DefaultThreadFactory tf = (DefaultThreadFactory) threadFactory;
threadFactories.putIfAbsent(tf.getName(), tf);
}
}
for (DefaultThreadFactory threadFactory : threadFactories.values()) {
writeThreadFactory(writer, threadFactory);
}
writeThreadPool(writer, "async-pool", globalConfiguration.asyncThreadPool());
writeThreadPool(writer, "expiration-pool", globalConfiguration.expirationThreadPool());
writeThreadPool(writer, "listener-pool", globalConfiguration.listenerThreadPool());
writeThreadPool(writer, "persistence-pool", globalConfiguration.persistenceThreadPool());
writeThreadPool(
writer, "replication-queue-pool", globalConfiguration.replicationQueueThreadPool());
writeThreadPool(writer, "state-transfer-pool", globalConfiguration.stateTransferThreadPool());
writeThreadPool(
writer, "remote-command-pool", globalConfiguration.transport().remoteCommandThreadPool());
writeThreadPool(
writer, "transport-pool", globalConfiguration.transport().transportThreadPool());
writer.writeEndElement();
}
private void writeBackup(XMLExtendedStreamWriter writer, Configuration configuration)
throws XMLStreamException {
SitesConfiguration sites = configuration.sites();
if (sites.allBackups().size() > 0) {
writer.writeStartElement(Element.BACKUPS);
for (BackupConfiguration backup : sites.allBackups()) {
writer.writeStartElement(Element.BACKUP);
backup.attributes().write(writer);
AttributeSet stateTransfer = backup.stateTransfer().attributes();
if (stateTransfer.isModified()) {
writer.writeStartElement(Element.STATE_TRANSFER);
stateTransfer.write(
writer, XSiteStateTransferConfiguration.CHUNK_SIZE, Attribute.CHUNK_SIZE);
stateTransfer.write(
writer, XSiteStateTransferConfiguration.MAX_RETRIES, Attribute.MAX_RETRIES);
stateTransfer.write(writer, XSiteStateTransferConfiguration.TIMEOUT, Attribute.TIMEOUT);
stateTransfer.write(
writer, XSiteStateTransferConfiguration.WAIT_TIME, Attribute.WAIT_TIME);
writer.writeEndElement();
}
AttributeSet takeOffline = backup.takeOffline().attributes();
if (takeOffline.isModified()) {
writer.writeStartElement(Element.TAKE_OFFLINE);
takeOffline.write(
writer,
TakeOfflineConfiguration.AFTER_FAILURES,
Attribute.TAKE_BACKUP_OFFLINE_AFTER_FAILURES);
takeOffline.write(
writer,
TakeOfflineConfiguration.MIN_TIME_TO_WAIT,
Attribute.TAKE_BACKUP_OFFLINE_MIN_WAIT);
writer.writeEndElement();
}
writer.writeEndElement();
}
writer.writeEndElement();
}
}
private void writeJGroups(XMLExtendedStreamWriter writer, GlobalConfiguration globalConfiguration)
throws XMLStreamException {
if (globalConfiguration.isClustered()) {
writer.writeStartElement(Element.JGROUPS);
writer.writeAttribute(
Attribute.TRANSPORT, globalConfiguration.transport().transport().getClass().getName());
TypedProperties properties = globalConfiguration.transport().properties();
for (String property : properties.stringPropertyNames()) {
if (property.startsWith("stack-")) {
String stackName = properties.getProperty(property);
String path = properties.getProperty("stackFilePath-" + stackName);
writer.writeStartElement(Element.STACK_FILE);
writer.writeAttribute(Attribute.NAME, stackName);
writer.writeAttribute(Attribute.PATH, path);
writer.writeEndElement();
}
}
writer.writeEndElement();
}
}
private void writeDistributedCache(
XMLExtendedStreamWriter writer, String name, Configuration configuration)
throws XMLStreamException {
writer.writeStartElement(Element.DISTRIBUTED_CACHE);
configuration.clustering().hash().attributes().write(writer);
configuration.clustering().l1().attributes().write(writer);
writeCommonClusteredCacheAttributes(writer, configuration);
writeCommonCacheAttributesElements(writer, name, configuration);
GroupsConfiguration groups = configuration.clustering().hash().groups();
if (groups.attributes().isModified()) {
writer.writeStartElement(Element.GROUPS);
groups.attributes().write(writer, GroupsConfiguration.ENABLED);
for (Grouper<?> grouper : groups.groupers()) {
writer.writeStartElement(Element.GROUPER);
writer.writeAttribute(Attribute.CLASS, grouper.getClass().getName());
writer.writeEndElement();
}
writer.writeEndElement();
}
writer.writeEndElement();
}
private void writeThreadPool(
XMLExtendedStreamWriter writer, String name, ThreadPoolConfiguration threadPoolConfiguration)
throws XMLStreamException {
ThreadPoolExecutorFactory<?> threadPoolFactory = threadPoolConfiguration.threadPoolFactory();
if (threadPoolFactory != null) {
writer.writeStartElement(THREAD_POOL_FACTORIES.get(threadPoolFactory.getClass().getName()));
writer.writeAttribute(Attribute.NAME, name);
ThreadFactory threadFactory = threadPoolConfiguration.threadFactory();
if (threadFactory instanceof DefaultThreadFactory) {
DefaultThreadFactory tf = (DefaultThreadFactory) threadFactory;
writer.writeAttribute(Attribute.THREAD_FACTORY, tf.getName());
}
if (threadPoolFactory instanceof BlockingThreadPoolExecutorFactory) {
BlockingThreadPoolExecutorFactory pool =
(BlockingThreadPoolExecutorFactory) threadPoolFactory;
writer.writeAttribute(Attribute.MAX_THREADS, Integer.toString(pool.maxThreads()));
writer.writeAttribute(Attribute.CORE_THREADS, Integer.toString(pool.coreThreads()));
writer.writeAttribute(Attribute.QUEUE_LENGTH, Integer.toString(pool.queueLength()));
writer.writeAttribute(Attribute.KEEP_ALIVE_TIME, Long.toString(pool.keepAlive()));
}
writer.writeEndElement();
}
}
