public synchronized Stock getStock(StockInfo info, boolean force) {
if (info == null) {
Log.v(TAG, "getStock - info is null");
return null;
}
Log.v(TAG, "getStock - stock_id:" + info.stock_id + ", force:" + force);
// 先内存
Stock stock = cache.get(info.getKey());
// 再sql
if (stock == null) {
stock = new Stock(info);
cache.put(info.getKey(), stock);
}
// 最后网络
if (stock.outOfDate()) {
cache.remove(info.getKey());
stock.updateSQL(force); // sync NET and persit to SQL
stock = new Stock(info); // reload from SQL
cache.put(info.getKey(), stock);
}
return stock;
}
public V get(K key) {
RefCountedMemory mem = map.get(key);
if (mem == null) return null;
if (!mem.reference()) return null;
try {
return deserialize(mem);
} finally {
mem.unreference();
}
}
public boolean replace(K key, V oldToReplace, V value) {
// if there is no old value in our map, we fail
RefCountedMemory old = map.get(key);
if (old == null) return false;
// see if the old value matches the one we want to replace
RefCountedMemory mem = serialize(value);
if (mem == null) return false; // out of memory. never mind.
V oldValue;
// reference old guy before de-serializing
if (!old.reference()) return false; // we have already freed hence noop.
try {
oldValue = deserialize(old);
} finally {
old.unreference();
}
boolean success = oldValue.equals(oldToReplace) && map.replace(key, old, mem);
if (success) old.unreference(); // so it will be eventually be cleaned
else mem.unreference();
return success;
}
@SuppressWarnings("rawtypes")
@Override
public GrailsClass getArtefactForFeature(Object featureId) {
if (artefactInfo == null) {
return null;
}
String uri;
String pluginName = null;
if (featureId instanceof Map) {
Map featureIdMap = (Map) featureId;
uri = (String) featureIdMap.get("uri");
pluginName = (String) featureIdMap.get("pluginName");
} else {
uri = featureId.toString();
}
GrailsClass controllerClass = uriToControllerClassCache.get(uri);
if (controllerClass == null) {
final ApplicationContext mainContext = grailsApplication.getMainContext();
GrailsPluginManager grailsPluginManager = null;
if (mainContext.containsBean(GrailsPluginManager.BEAN_NAME)) {
final Object pluginManagerBean = mainContext.getBean(GrailsPluginManager.BEAN_NAME);
if (pluginManagerBean instanceof GrailsPluginManager) {
grailsPluginManager = (GrailsPluginManager) pluginManagerBean;
}
}
final GrailsClass[] controllerClasses = artefactInfo.getGrailsClasses();
// iterate in reverse in order to pick up application classes first
for (int i = (controllerClasses.length - 1); i >= 0; i--) {
GrailsClass c = controllerClasses[i];
if (((GrailsControllerClass) c).mapsToURI(uri)) {
boolean foundController = false;
if (pluginName != null && grailsPluginManager != null) {
final GrailsPlugin pluginForClass = grailsPluginManager.getPluginForClass(c.getClazz());
if (pluginForClass != null && pluginName.equals(pluginForClass.getName())) {
foundController = true;
}
} else {
foundController = true;
}
if (foundController) {
controllerClass = c;
break;
}
}
}
if (controllerClass == null) {
controllerClass = NO_CONTROLLER;
}
// don't cache for dev environment
if (Environment.getCurrent() != Environment.DEVELOPMENT) {
uriToControllerClassCache.put(uri, controllerClass);
}
}
if (controllerClass == NO_CONTROLLER) {
controllerClass = null;
}
return controllerClass;
}
public V getInternal(K key) {
return map.get(key);
}
public V get(K key) {
V v = map.get(key);
requests.incrementAndGet();
if (v != null) hits.incrementAndGet();
return v;
}