public Rendering init(Document d, InitParams initParams) throws OmException {
this.ip = initParams;
// Initialise available components and add question-specific components
QComponentManager qcm = new QComponentManager(initParams);
Element[] aeDefines = XML.getChildren(d.getDocumentElement(), "define-component");
for (int i = 0; i < aeDefines.length; i++) {
String sClassName = null;
try {
sClassName = XML.getRequiredAttribute(aeDefines[i], "class");
qcm.register(Class.forName(sClassName));
} catch (XMLException e) {
throw new OmDeveloperException("<define-component> is missing class= attribute");
} catch (ClassNotFoundException e) {
throw new OmDeveloperException("<define-component>: " + sClassName + " cannot be found");
}
}
// Set resource classpath location
if (d.getDocumentElement().hasAttribute("resources")) {
sResourcePath = d.getDocumentElement().getAttribute("resources");
if (!sResourcePath.startsWith("/") || !sResourcePath.endsWith("/")) {
throw new OmFormatException("<question> resources= must begin and end with /");
}
} else {
sResourcePath = null;
}
// Set not-so-random number if variant has been fixed
if (initParams.hasFixedVariant()) nsr = new NotSoRandom(initParams.getFixedVariant());
// Build component tree
qd = new QDocument(this, d, qcm);
// Return
Rendering r = new Rendering();
// User-overridable init
init();
// Render current state to XHTML
qd.render(r, true);
fixPlaceholders(r);
return r;
}
/**
* Loads a question resource into memory.
*
* @param sName Name of resource (may be relative path including /; may not be absolute path
* beginning /)
* @return Byte array containing entire resource
* @throws IOException If the resource doesn't exist or there's another problem
*/
public byte[] loadResource(String sName) throws IOException {
if (sName.startsWith("/"))
throw new IllegalArgumentException("loadResource with class reference must be relative name");
if (sResourcePath != null) return IO.loadResource(ip.getClassLoader(), sResourcePath + sName);
else {
return IO.loadResource(getClass(), sName);
}
}
/**
* Obtains a random number generator based on the seed, attempts and navigatorVersion passed by
* the test navigator. If 'incrementSeed' is false attempts and navigatorVersion wont be used to
* get the random number generator.
*
* @param sGroup Group name (arbitrary string)
* @param incrementSeed If true, then increments the random seed passed by the test navigator
* @return Random number generator
*/
private Random getRandom(String sGroup, boolean incrementSeed) {
// Returns NotSoRandom object if fixed variant is used.
if (nsr != null) {
return nsr;
}
long randomSeed = ip.getRandomSeed();
// Increment seed if the request is from OpenMark test navigator only
if (ip.getNavigatorVersion() != null && incrementSeed) {
int seedIncrement = MAGIC_RANDOM_SEED_INCREMENT;
if (OmVersion.compareVersions(ip.getNavigatorVersion(), "1.3.0") <= 0) {
seedIncrement = 1;
}
randomSeed = randomSeed + ip.getAttempt() * seedIncrement;
}
long lHash = sGroup.hashCode();
return new Random(randomSeed ^ lHash);
}
/**
* Returns a variant number between 0 (inclusive) and maxVariant (exclusive). Use this method to
* get the next variant of a question in sequence. For the first attempt it returns a random
* variant and for the repeat attempts it returns next variants in sequence, when the last variant
* is reached it cycles back to the beginning.
*
* @param maxVariant
* @return variant number
*/
public int getNextVariant(int maxVariant) {
// Passing false for the 'incrementSeed' parameter to get the same
// random number generator for all question attempts.
Random r = getRandom(getClass().getName(), false);
if (r instanceof NotSoRandom) {
// If it is an instanceof NotSoRandom that means variant is fixed
// for testing, do not increment the variant
return r.nextInt(maxVariant);
}
return (r.nextInt(maxVariant) + ip.getAttempt() - 1) % maxVariant;
}
/**
* Creates a configuration instance from a resource loader, a configuration name and a stream. If
* the stream is null, the resource loader will open the configuration stream. If the stream is
* not null, no attempt to load the resource will occur (the name is not used).
*
* @param loader the resource loader
* @param name the configuration name
* @param is the configuration stream
*/
public SolrConfig(SolrResourceLoader loader, String name, InputSource is)
throws ParserConfigurationException, IOException, SAXException {
super(loader, name, is, "/config/");
getOverlay(); // just in case it is not initialized
getRequestParams();
initLibs();
luceneMatchVersion = getLuceneVersion("luceneMatchVersion");
String indexConfigPrefix;
// Old indexDefaults and mainIndex sections are deprecated and fails fast for
// luceneMatchVersion=>LUCENE_4_0_0.
// For older solrconfig.xml's we allow the old sections, but never mixed with the new
// <indexConfig>
boolean hasDeprecatedIndexConfig =
(getNode("indexDefaults", false) != null) || (getNode("mainIndex", false) != null);
if (hasDeprecatedIndexConfig) {
throw new SolrException(
ErrorCode.FORBIDDEN,
"<indexDefaults> and <mainIndex> configuration sections are discontinued. Use <indexConfig> instead.");
} else {
defaultIndexConfig = mainIndexConfig = null;
indexConfigPrefix = "indexConfig";
}
assertWarnOrFail(
"The <nrtMode> config has been discontinued and NRT mode is always used by Solr."
+ " This config will be removed in future versions.",
getNode(indexConfigPrefix + "/nrtMode", false) == null,
true);
assertWarnOrFail(
"Solr no longer supports forceful unlocking via the 'unlockOnStartup' option. "
+ "This is no longer neccessary for the default lockType except in situations where "
+ "it would be dangerous and should not be done. For other lockTypes and/or "
+ "directoryFactory options it may also be dangerous and users must resolve "
+ "problematic locks manually.",
null == getNode(indexConfigPrefix + "/unlockOnStartup", false),
true // 'fail' in trunk
);
// Parse indexConfig section, using mainIndex as backup in case old config is used
indexConfig = new SolrIndexConfig(this, "indexConfig", mainIndexConfig);
booleanQueryMaxClauseCount =
getInt("query/maxBooleanClauses", BooleanQuery.getMaxClauseCount());
log.info("Using Lucene MatchVersion: " + luceneMatchVersion);
// Warn about deprecated / discontinued parameters
// boolToFilterOptimizer has had no effect since 3.1
if (get("query/boolTofilterOptimizer", null) != null)
log.warn(
"solrconfig.xml: <boolTofilterOptimizer> is currently not implemented and has no effect.");
if (get("query/HashDocSet", null) != null)
log.warn("solrconfig.xml: <HashDocSet> is deprecated and no longer recommended used.");
// TODO: Old code - in case somebody wants to re-enable. Also see SolrIndexSearcher#search()
// filtOptEnabled = getBool("query/boolTofilterOptimizer/@enabled", false);
// filtOptCacheSize = getInt("query/boolTofilterOptimizer/@cacheSize",32);
// filtOptThreshold = getFloat("query/boolTofilterOptimizer/@threshold",.05f);
useFilterForSortedQuery = getBool("query/useFilterForSortedQuery", false);
queryResultWindowSize = Math.max(1, getInt("query/queryResultWindowSize", 1));
queryResultMaxDocsCached = getInt("query/queryResultMaxDocsCached", Integer.MAX_VALUE);
enableLazyFieldLoading = getBool("query/enableLazyFieldLoading", false);
filterCacheConfig = CacheConfig.getConfig(this, "query/filterCache");
queryResultCacheConfig = CacheConfig.getConfig(this, "query/queryResultCache");
documentCacheConfig = CacheConfig.getConfig(this, "query/documentCache");
CacheConfig conf = CacheConfig.getConfig(this, "query/fieldValueCache");
if (conf == null) {
Map<String, String> args = new HashMap<>();
args.put(NAME, "fieldValueCache");
args.put("size", "10000");
args.put("initialSize", "10");
args.put("showItems", "-1");
conf = new CacheConfig(FastLRUCache.class, args, null);
}
fieldValueCacheConfig = conf;
useColdSearcher = getBool("query/useColdSearcher", false);
dataDir = get("dataDir", null);
if (dataDir != null && dataDir.length() == 0) dataDir = null;
userCacheConfigs = CacheConfig.getMultipleConfigs(this, "query/cache");
org.apache.solr.search.SolrIndexSearcher.initRegenerators(this);
hashSetInverseLoadFactor = 1.0f / getFloat("//HashDocSet/@loadFactor", 0.75f);
hashDocSetMaxSize = getInt("//HashDocSet/@maxSize", 3000);
httpCachingConfig = new HttpCachingConfig(this);
Node jmx = getNode("jmx", false);
if (jmx != null) {
jmxConfig =
new JmxConfiguration(
true,
get("jmx/@agentId", null),
get("jmx/@serviceUrl", null),
get("jmx/@rootName", null));
} else {
jmxConfig = new JmxConfiguration(false, null, null, null);
}
maxWarmingSearchers = getInt("query/maxWarmingSearchers", Integer.MAX_VALUE);
slowQueryThresholdMillis = getInt("query/slowQueryThresholdMillis", -1);
for (SolrPluginInfo plugin : plugins) loadPluginInfo(plugin);
updateHandlerInfo = loadUpdatehandlerInfo();
multipartUploadLimitKB =
getInt("requestDispatcher/requestParsers/@multipartUploadLimitInKB", 2048);
formUploadLimitKB = getInt("requestDispatcher/requestParsers/@formdataUploadLimitInKB", 2048);
enableRemoteStreams = getBool("requestDispatcher/requestParsers/@enableRemoteStreaming", false);
// Let this filter take care of /select?xxx format
handleSelect = getBool("requestDispatcher/@handleSelect", true);
addHttpRequestToContext =
getBool("requestDispatcher/requestParsers/@addHttpRequestToContext", false);
List<PluginInfo> argsInfos = getPluginInfos(InitParams.class.getName());
if (argsInfos != null) {
Map<String, InitParams> argsMap = new HashMap<>();
for (PluginInfo p : argsInfos) {
InitParams args = new InitParams(p);
argsMap.put(args.name == null ? String.valueOf(args.hashCode()) : args.name, args);
}
this.initParams = Collections.unmodifiableMap(argsMap);
}
solrRequestParsers = new SolrRequestParsers(this);
Config.log.info("Loaded SolrConfig: " + name);
}
/** @return True if in 'plain mode' for accessibility */
public boolean isPlainMode() {
return ip.isPlainMode();
}
/** @return Zoom scale factor for accessibility */
public double getZoom() {
return ip.getZoom();
}
/** @return Fixed background colour in #rrggbb format */
public String getDisabledColourFG() {
return ip.getFixedColourBG();
}
/** @return Fixed background colour in #rrggbb format */
public String getFixedColourBG() {
return ip.getFixedColourBG();
}
/** @return True if colour has been fixed for accessibility reasons */
public boolean isFixedColour() {
return ip.getFixedColourFG() != null;
}
protected QEngineConfig getQEngineConfig() {
return ip.getQEngineConfig();
}
