public String findLeastFullRepository(Map<String, PlatformUtil.DF> repoMap) { String mostFree = null; for (String repo : repoMap.keySet()) { PlatformUtil.DF df = repoMap.get(repo); if (df != null) { if (mostFree == null || (repoMap.get(mostFree)).getAvail() < df.getAvail()) { mostFree = repo; } } } return mostFree; }
public void testConfig() throws Exception { MyMockLockssRepositoryImpl repo1 = makeRepo("foo"); assertEquals(RepositoryManager.DEFAULT_MAX_PER_AU_CACHE_SIZE, repo1.nodeCacheSize); ConfigurationUtil.setFromArgs(RepositoryManager.PARAM_MAX_PER_AU_CACHE_SIZE, "4"); MyMockLockssRepositoryImpl repo2 = makeRepo("bar"); assertEquals(4, repo1.nodeCacheSize); assertEquals(4, repo2.nodeCacheSize); repo1.cnt = 0; ConfigurationUtil.setFromArgs(RepositoryManager.PARAM_MAX_PER_AU_CACHE_SIZE, "37"); assertEquals(37, repo1.nodeCacheSize); assertEquals(37, repo2.nodeCacheSize); assertEquals(1, repo1.cnt); // ensure setNodeCacheSize doesn't get called if param doesn't change ConfigurationUtil.setFromArgs( RepositoryManager.PARAM_MAX_PER_AU_CACHE_SIZE, "37", "org.lockss.somethingElse", "bar"); assertEquals(1, repo1.cnt); PlatformUtil.DF warn = mgr.getDiskWarnThreshold(); PlatformUtil.DF full = mgr.getDiskFullThreshold(); assertEquals(5000 * 1024, warn.getAvail()); assertEquals(0.98, warn.getPercent(), .00001); assertEquals(100 * 1024, full.getAvail()); assertEquals(0.99, full.getPercent(), .00001); Properties p = new Properties(); p.put(RepositoryManager.PARAM_DISK_WARN_FRRE_MB, "17"); p.put(RepositoryManager.PARAM_DISK_WARN_FRRE_PERCENT, "20"); p.put(RepositoryManager.PARAM_DISK_FULL_FRRE_MB, "7"); p.put(RepositoryManager.PARAM_DISK_FULL_FRRE_PERCENT, "10"); ConfigurationUtil.setCurrentConfigFromProps(p); warn = mgr.getDiskWarnThreshold(); full = mgr.getDiskFullThreshold(); assertEquals(17 * 1024, warn.getAvail()); assertEquals(0.80, warn.getPercent(), .00001); assertEquals(7 * 1024, full.getAvail()); assertEquals(0.90, full.getPercent(), .00001); }
/** * RepositoryManager is the center of the per AU repositories. It manages the repository config * parameters. */ public class RepositoryManager extends BaseLockssDaemonManager implements ConfigurableManager { private static Logger log = Logger.getLogger("RepositoryManager"); public static final String PREFIX = Configuration.PREFIX + "repository."; /** Maximum size of per-AU repository node cache */ public static final String PARAM_MAX_PER_AU_CACHE_SIZE = PREFIX + "nodeCache.size"; public static final int DEFAULT_MAX_PER_AU_CACHE_SIZE = 10; /* * This needs to be a small multiple of the number of simultaneous * polls (poller and voter), as there is a cache entry per active AU. * Each poll will have one active AU at a time. */ public static final String PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE = PREFIX + "suspectVersionsCache.size"; public static final int DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE = 10; static final String GLOBAL_CACHE_PREFIX = PREFIX + "globalNodeCache."; public static final String PARAM_MAX_GLOBAL_CACHE_SIZE = GLOBAL_CACHE_PREFIX + "size"; public static final int DEFAULT_MAX_GLOBAL_CACHE_SIZE = 500; public static final String PARAM_GLOBAL_CACHE_ENABLED = GLOBAL_CACHE_PREFIX + "enabled"; public static final boolean DEFAULT_GLOBAL_CACHE_ENABLED = false; /** Max times to loop looking for unused AU directory. */ public static final String PARAM_MAX_UNUSED_DIR_SEARCH = PREFIX + "maxUnusedDirSearch"; public static final int DEFAULT_MAX_UNUSED_DIR_SEARCH = 30000; /** If true, LocalRepository keeps track of next subdir name to probe. */ public static final String PARAM_IS_STATEFUL_UNUSED_DIR_SEARCH = PREFIX + "enableStatefulUnusedDirSearch"; public static final boolean DEFAULT_IS_STATEFUL_UNUSED_DIR_SEARCH = true; /** Max percent of time size calculation thread may run. */ public static final String PARAM_SIZE_CALC_MAX_LOAD = PREFIX + "sizeCalcMaxLoad"; public static final float DEFAULT_SIZE_CALC_MAX_LOAD = 0.5F; /** * If true, path components longer than the maximum filesystem path component are encodes are * multiple levels of directories */ public static final String PARAM_ENABLE_LONG_COMPONENTS = PREFIX + "enableLongComponents"; public static final boolean DEFAULT_ENABLE_LONG_COMPONENTS = true; /** * Prior to 1.61.6, when long component support is enabled, backslahes were normalized to %5c * instead of %5C. This is harmless if checkUnnormalized is set to Fix, as they'll be normalized. * Otherwise, this can be set true for compatibility with old repositories. Setting * checkUnnormalized to Fix is preferred. */ public static final String PARAM_ENABLE_LONG_COMPONENTS_COMPATIBILITY = PREFIX + "enableLongComponentsCompatibility"; public static final boolean DEFAULT_ENABLE_LONG_COMPONENTS_COMPATIBILITY = false; /** Maximum length of a filesystem path component. */ public static final String PARAM_MAX_COMPONENT_LENGTH = PREFIX + "maxComponentLength"; public static final int DEFAULT_MAX_COMPONENT_LENGTH = 255; /** @see #PARAM_CHECK_UNNORMALIZED */ public enum CheckUnnormalizedMode { No, Log, Fix }; /** * Check for existing nodes with unnormalized names (created by very old daemon that didn't * normalize): None, Log, Fix */ public static final String PARAM_CHECK_UNNORMALIZED = PREFIX + "checkUnnormalized"; public static final CheckUnnormalizedMode DEFAULT_CHECK_UNNORMALIZED = CheckUnnormalizedMode.Log; static final String WDOG_PARAM_SIZE_CALC = "SizeCalc"; static final long WDOG_DEFAULT_SIZE_CALC = Constants.DAY; static final String PRIORITY_PARAM_SIZE_CALC = "SizeCalc"; static final int PRIORITY_DEFAULT_SIZE_CALC = Thread.NORM_PRIORITY - 1; static final String DISK_PREFIX = PREFIX + "diskSpace."; static final String PARAM_DISK_WARN_FRRE_MB = DISK_PREFIX + "warn.freeMB"; static final int DEFAULT_DISK_WARN_FRRE_MB = 5000; static final String PARAM_DISK_FULL_FRRE_MB = DISK_PREFIX + "full.freeMB"; static final int DEFAULT_DISK_FULL_FRRE_MB = 100; static final String PARAM_DISK_WARN_FRRE_PERCENT = DISK_PREFIX + "warn.freePercent"; static final double DEFAULT_DISK_WARN_FRRE_PERCENT = .02; static final String PARAM_DISK_FULL_FRRE_PERCENT = DISK_PREFIX + "full.freePercent"; static final double DEFAULT_DISK_FULL_FRRE_PERCENT = .01; private PlatformUtil platInfo = PlatformUtil.getInstance(); private List repoList = Collections.EMPTY_LIST; int paramNodeCacheSize = DEFAULT_MAX_PER_AU_CACHE_SIZE; boolean paramIsGlobalNodeCache = DEFAULT_GLOBAL_CACHE_ENABLED; int paramGlobalNodeCacheSize = DEFAULT_MAX_GLOBAL_CACHE_SIZE; int paramSuspectVersionsCacheSize = DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE; UniqueRefLruCache globalNodeCache = new UniqueRefLruCache(DEFAULT_MAX_GLOBAL_CACHE_SIZE); UniqueRefLruCache suspectVersionsCache = new UniqueRefLruCache(DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE); Map localRepos = new HashMap(); private static int maxUnusedDirSearch = DEFAULT_MAX_UNUSED_DIR_SEARCH; private static boolean isStatefulUnusedDirSearch = DEFAULT_IS_STATEFUL_UNUSED_DIR_SEARCH; private static boolean enableLongComponents = DEFAULT_ENABLE_LONG_COMPONENTS; private static boolean enableLongComponentsCompatibility = DEFAULT_ENABLE_LONG_COMPONENTS_COMPATIBILITY; private static int maxComponentLength = DEFAULT_MAX_COMPONENT_LENGTH; private static CheckUnnormalizedMode checkUnnormalized = DEFAULT_CHECK_UNNORMALIZED; PlatformUtil.DF paramDFWarn = PlatformUtil.DF.makeThreshold(DEFAULT_DISK_WARN_FRRE_MB, DEFAULT_DISK_WARN_FRRE_PERCENT); PlatformUtil.DF paramDFFull = PlatformUtil.DF.makeThreshold(DEFAULT_DISK_FULL_FRRE_MB, DEFAULT_DISK_FULL_FRRE_PERCENT); private float sizeCalcMaxLoad = DEFAULT_SIZE_CALC_MAX_LOAD; public void startService() { super.startService(); localRepos = new HashMap(); } public void setConfig( Configuration config, Configuration oldConfig, Configuration.Differences changedKeys) { // Build list of repositories from list of disk (fs) paths). Needs to // be generalized if ever another repository implementation. if (changedKeys.contains(ConfigManager.PARAM_PLATFORM_DISK_SPACE_LIST)) { List lst = new ArrayList(); String dspace = config.get(ConfigManager.PARAM_PLATFORM_DISK_SPACE_LIST, ""); List paths = StringUtil.breakAt(dspace, ';'); if (paths != null) { for (Iterator iter = paths.iterator(); iter.hasNext(); ) { lst.add("local:" + (String) iter.next()); } } repoList = lst; } if (changedKeys.contains(PARAM_MAX_PER_AU_CACHE_SIZE)) { paramNodeCacheSize = config.getInt(PARAM_MAX_PER_AU_CACHE_SIZE, DEFAULT_MAX_PER_AU_CACHE_SIZE); for (Iterator iter = getDaemon().getAllLockssRepositories().iterator(); iter.hasNext(); ) { LockssRepository repo = (LockssRepository) iter.next(); if (repo instanceof LockssRepositoryImpl) { LockssRepositoryImpl repoImpl = (LockssRepositoryImpl) repo; repoImpl.setNodeCacheSize(paramNodeCacheSize); } } } if (changedKeys.contains(PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE)) { paramSuspectVersionsCacheSize = config.getInt( PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE, DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE); suspectVersionsCache.setMaxSize(paramSuspectVersionsCacheSize); } if (changedKeys.contains(GLOBAL_CACHE_PREFIX)) { paramIsGlobalNodeCache = config.getBoolean(PARAM_GLOBAL_CACHE_ENABLED, DEFAULT_GLOBAL_CACHE_ENABLED); if (paramIsGlobalNodeCache) { paramGlobalNodeCacheSize = config.getInt(PARAM_MAX_GLOBAL_CACHE_SIZE, DEFAULT_MAX_GLOBAL_CACHE_SIZE); log.debug("global node cache size: " + paramGlobalNodeCacheSize); globalNodeCache.setMaxSize(paramGlobalNodeCacheSize); } } if (changedKeys.contains(DISK_PREFIX)) { int minMB = config.getInt(PARAM_DISK_WARN_FRRE_MB, DEFAULT_DISK_WARN_FRRE_MB); double minPer = config.getPercentage(PARAM_DISK_WARN_FRRE_PERCENT, DEFAULT_DISK_WARN_FRRE_PERCENT); paramDFWarn = PlatformUtil.DF.makeThreshold(minMB, minPer); minMB = config.getInt(PARAM_DISK_FULL_FRRE_MB, DEFAULT_DISK_FULL_FRRE_MB); minPer = config.getPercentage(PARAM_DISK_FULL_FRRE_PERCENT, DEFAULT_DISK_FULL_FRRE_PERCENT); paramDFFull = PlatformUtil.DF.makeThreshold(minMB, minPer); } if (changedKeys.contains(PARAM_SIZE_CALC_MAX_LOAD)) { sizeCalcMaxLoad = config.getPercentage(PARAM_SIZE_CALC_MAX_LOAD, DEFAULT_SIZE_CALC_MAX_LOAD); } if (changedKeys.contains(PREFIX)) { maxUnusedDirSearch = config.getInt(PARAM_MAX_UNUSED_DIR_SEARCH, DEFAULT_MAX_UNUSED_DIR_SEARCH); isStatefulUnusedDirSearch = config.getBoolean( PARAM_IS_STATEFUL_UNUSED_DIR_SEARCH, DEFAULT_IS_STATEFUL_UNUSED_DIR_SEARCH); enableLongComponents = config.getBoolean(PARAM_ENABLE_LONG_COMPONENTS, DEFAULT_ENABLE_LONG_COMPONENTS); enableLongComponentsCompatibility = config.getBoolean( PARAM_ENABLE_LONG_COMPONENTS_COMPATIBILITY, DEFAULT_ENABLE_LONG_COMPONENTS_COMPATIBILITY); maxComponentLength = config.getInt(PARAM_MAX_COMPONENT_LENGTH, DEFAULT_MAX_COMPONENT_LENGTH); checkUnnormalized = (CheckUnnormalizedMode) config.getEnum( CheckUnnormalizedMode.class, PARAM_CHECK_UNNORMALIZED, DEFAULT_CHECK_UNNORMALIZED); } } public static boolean isEnableLongComponents() { return enableLongComponents; } public static boolean isEnableLongComponentsCompatibility() { return enableLongComponentsCompatibility; } public static int getMaxComponentLength() { return maxComponentLength; } public static CheckUnnormalizedMode getCheckUnnormalizedMode() { return checkUnnormalized; } /** * Return list of known repository names. Needs a registration mechanism if ever another * repository implementation. */ public List<String> getRepositoryList() { return repoList; } public PlatformUtil.DF getRepositoryDF(String repoName) { String path = LockssRepositoryImpl.getLocalRepositoryPath(repoName); log.debug("path: " + path); // try { return platInfo.getJavaDF(path); // } catch (PlatformUtil.UnsupportedException e) { // return null; // } } public Map<String, PlatformUtil.DF> getRepositoryMap() { Map<String, PlatformUtil.DF> repoMap = new LinkedMap(); for (String repo : getRepositoryList()) { repoMap.put(repo, getRepositoryDF(repo)); } return repoMap; } public String findLeastFullRepository() { return findLeastFullRepository(getRepositoryMap()); } public String findLeastFullRepository(Map<String, PlatformUtil.DF> repoMap) { String mostFree = null; for (String repo : repoMap.keySet()) { PlatformUtil.DF df = repoMap.get(repo); if (df != null) { if (mostFree == null || (repoMap.get(mostFree)).getAvail() < df.getAvail()) { mostFree = repo; } } } return mostFree; } public PlatformUtil.DF getDiskWarnThreshold() { return paramDFWarn; } public PlatformUtil.DF getDiskFullThreshold() { return paramDFFull; } public static int getMaxUnusedDirSearch() { return maxUnusedDirSearch; } public static boolean isStatefulUnusedDirSearch() { return isStatefulUnusedDirSearch; } public List findExistingRepositoriesFor(String auid) { List res = null; for (Iterator iter = getRepositoryList().iterator(); iter.hasNext(); ) { String repoName = (String) iter.next(); String path = LockssRepositoryImpl.getLocalRepositoryPath(repoName); if (LockssRepositoryImpl.doesAuDirExist(auid, path)) { if (res == null) { res = new ArrayList(); } res.add(repoName); } } return res == null ? Collections.EMPTY_LIST : res; } // hack only local public synchronized LockssRepositoryImpl getRepositoryFromPath(String path) { LockssRepositoryImpl repo = (LockssRepositoryImpl) localRepos.get(path); if (repo == null) { repo = new LockssRepositoryImpl(path); repo.initService(getDaemon()); repo.startService(); localRepos.put(path, repo); } return repo; } /** * Return the disk space used by the AU, including all overhead, optionally calculating it if * necessary. * * @param repoAuPath the full path to an AU dir in a LockssRepositoryImpl * @param calcIfUnknown if true, size will calculated if unknown (time consumeing) * @return the AU's disk usage in bytes, or -1 if unknown */ public long getRepoDiskUsage(String repoAuPath, boolean calcIfUnknown) { LockssRepository repo = getRepositoryFromPath(repoAuPath); if (repo != null) { try { RepositoryNode repoNode = repo.getNode(AuCachedUrlSetSpec.URL); if (repoNode instanceof AuNodeImpl) { return ((AuNodeImpl) repoNode).getDiskUsage(calcIfUnknown); } } catch (MalformedURLException ignore) { } } return -1; } public synchronized void setRepositoryForPath(String path, LockssRepositoryImpl repo) { localRepos.put(path, repo); } public boolean isGlobalNodeCache() { return paramIsGlobalNodeCache; } public UniqueRefLruCache getGlobalNodeCache() { return globalNodeCache; } public UniqueRefLruCache getSuspectVersionsCache() { return suspectVersionsCache; } // Background thread to (re)calculate AU size and disk usage. private Set sizeCalcQueue = new HashSet(); private BinarySemaphore sizeCalcSem = new BinarySemaphore(); private SizeCalcThread sizeCalcThread; /** engqueue a size calculation for the AU */ public void queueSizeCalc(ArchivalUnit au) { queueSizeCalc(AuUtil.getAuRepoNode(au)); } /** engqueue a size calculation for the node */ public void queueSizeCalc(RepositoryNode node) { synchronized (sizeCalcQueue) { if (sizeCalcQueue.add(node)) { log.debug2("Queue size calc: " + node); startOrKickThread(); } } } public int sizeCalcQueueLen() { synchronized (sizeCalcQueue) { return sizeCalcQueue.size(); } } void startOrKickThread() { if (sizeCalcThread == null) { log.debug2("Starting thread"); sizeCalcThread = new SizeCalcThread(); sizeCalcThread.start(); sizeCalcThread.waitRunning(); } sizeCalcSem.give(); } void stopThread() { if (sizeCalcThread != null) { log.debug2("Stopping thread"); sizeCalcThread.stopSizeCalc(); sizeCalcThread = null; } } void doSizeCalc(RepositoryNode node) { node.getTreeContentSize(null, true); if (node instanceof AuNodeImpl) { ((AuNodeImpl) node).getDiskUsage(true); } } long sleepTimeToAchieveLoad(long runDuration, float maxLoad) { return Math.round(((double) runDuration / maxLoad) - runDuration); } private class SizeCalcThread extends LockssThread { private volatile boolean goOn = true; private SizeCalcThread() { super("SizeCalc"); } public void lockssRun() { setPriority(PRIORITY_PARAM_SIZE_CALC, PRIORITY_DEFAULT_SIZE_CALC); startWDog(WDOG_PARAM_SIZE_CALC, WDOG_DEFAULT_SIZE_CALC); triggerWDogOnExit(true); nowRunning(); while (goOn) { try { pokeWDog(); if (sizeCalcQueue.isEmpty()) { Deadline timeout = Deadline.in(Constants.HOUR); sizeCalcSem.take(timeout); } RepositoryNode node; synchronized (sizeCalcQueue) { node = (RepositoryNode) CollectionUtil.getAnElement(sizeCalcQueue); } if (node != null) { long start = TimeBase.nowMs(); log.debug2("CalcSize start: " + node); long dur = 0; try { doSizeCalc(node); dur = TimeBase.nowMs() - start; log.debug2("CalcSize finish (" + StringUtil.timeIntervalToString(dur) + "): " + node); } catch (RuntimeException e) { log.warning("doSizeCalc: " + node, e); } synchronized (sizeCalcQueue) { sizeCalcQueue.remove(node); } pokeWDog(); long sleep = sleepTimeToAchieveLoad(dur, sizeCalcMaxLoad); Deadline.in(sleep).sleep(); } } catch (InterruptedException e) { // just wakeup and check for exit } } if (!goOn) { triggerWDogOnExit(false); } } private void stopSizeCalc() { goOn = false; interrupt(); } } }
public void setConfig( Configuration config, Configuration oldConfig, Configuration.Differences changedKeys) { // Build list of repositories from list of disk (fs) paths). Needs to // be generalized if ever another repository implementation. if (changedKeys.contains(ConfigManager.PARAM_PLATFORM_DISK_SPACE_LIST)) { List lst = new ArrayList(); String dspace = config.get(ConfigManager.PARAM_PLATFORM_DISK_SPACE_LIST, ""); List paths = StringUtil.breakAt(dspace, ';'); if (paths != null) { for (Iterator iter = paths.iterator(); iter.hasNext(); ) { lst.add("local:" + (String) iter.next()); } } repoList = lst; } if (changedKeys.contains(PARAM_MAX_PER_AU_CACHE_SIZE)) { paramNodeCacheSize = config.getInt(PARAM_MAX_PER_AU_CACHE_SIZE, DEFAULT_MAX_PER_AU_CACHE_SIZE); for (Iterator iter = getDaemon().getAllLockssRepositories().iterator(); iter.hasNext(); ) { LockssRepository repo = (LockssRepository) iter.next(); if (repo instanceof LockssRepositoryImpl) { LockssRepositoryImpl repoImpl = (LockssRepositoryImpl) repo; repoImpl.setNodeCacheSize(paramNodeCacheSize); } } } if (changedKeys.contains(PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE)) { paramSuspectVersionsCacheSize = config.getInt( PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE, DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE); suspectVersionsCache.setMaxSize(paramSuspectVersionsCacheSize); } if (changedKeys.contains(GLOBAL_CACHE_PREFIX)) { paramIsGlobalNodeCache = config.getBoolean(PARAM_GLOBAL_CACHE_ENABLED, DEFAULT_GLOBAL_CACHE_ENABLED); if (paramIsGlobalNodeCache) { paramGlobalNodeCacheSize = config.getInt(PARAM_MAX_GLOBAL_CACHE_SIZE, DEFAULT_MAX_GLOBAL_CACHE_SIZE); log.debug("global node cache size: " + paramGlobalNodeCacheSize); globalNodeCache.setMaxSize(paramGlobalNodeCacheSize); } } if (changedKeys.contains(DISK_PREFIX)) { int minMB = config.getInt(PARAM_DISK_WARN_FRRE_MB, DEFAULT_DISK_WARN_FRRE_MB); double minPer = config.getPercentage(PARAM_DISK_WARN_FRRE_PERCENT, DEFAULT_DISK_WARN_FRRE_PERCENT); paramDFWarn = PlatformUtil.DF.makeThreshold(minMB, minPer); minMB = config.getInt(PARAM_DISK_FULL_FRRE_MB, DEFAULT_DISK_FULL_FRRE_MB); minPer = config.getPercentage(PARAM_DISK_FULL_FRRE_PERCENT, DEFAULT_DISK_FULL_FRRE_PERCENT); paramDFFull = PlatformUtil.DF.makeThreshold(minMB, minPer); } if (changedKeys.contains(PARAM_SIZE_CALC_MAX_LOAD)) { sizeCalcMaxLoad = config.getPercentage(PARAM_SIZE_CALC_MAX_LOAD, DEFAULT_SIZE_CALC_MAX_LOAD); } if (changedKeys.contains(PREFIX)) { maxUnusedDirSearch = config.getInt(PARAM_MAX_UNUSED_DIR_SEARCH, DEFAULT_MAX_UNUSED_DIR_SEARCH); isStatefulUnusedDirSearch = config.getBoolean( PARAM_IS_STATEFUL_UNUSED_DIR_SEARCH, DEFAULT_IS_STATEFUL_UNUSED_DIR_SEARCH); enableLongComponents = config.getBoolean(PARAM_ENABLE_LONG_COMPONENTS, DEFAULT_ENABLE_LONG_COMPONENTS); enableLongComponentsCompatibility = config.getBoolean( PARAM_ENABLE_LONG_COMPONENTS_COMPATIBILITY, DEFAULT_ENABLE_LONG_COMPONENTS_COMPATIBILITY); maxComponentLength = config.getInt(PARAM_MAX_COMPONENT_LENGTH, DEFAULT_MAX_COMPONENT_LENGTH); checkUnnormalized = (CheckUnnormalizedMode) config.getEnum( CheckUnnormalizedMode.class, PARAM_CHECK_UNNORMALIZED, DEFAULT_CHECK_UNNORMALIZED); } }