/**
* @param cacheName Cache name.
* @param key Key.
* @return Data key.
* @throws Exception In case of error.
*/
private Object key(String cacheName, int key) throws Exception {
Class<?> cls = Class.forName(GridSpringDynamicCacheManager.class.getName() + "$DataKey");
Constructor<?> cons = cls.getDeclaredConstructor(String.class, Object.class);
cons.setAccessible(true);
return cons.newInstance(cacheName, key);
}
static {
if (!Boolean.getBoolean(GridSystemProperties.GG_JETTY_LOG_NO_OVERRIDE)) {
String ctgrJetty = "org.eclipse.jetty"; // WARN for this category.
String ctgrJettyUtil = "org.eclipse.jetty.util.log"; // ERROR for this...
String ctgrJettyUtilComp = "org.eclipse.jetty.util.component"; // ...and this.
try {
Class<?> logCls = Class.forName("org.apache.log4j.Logger");
Object logJetty = logCls.getMethod("getLogger", String.class).invoke(logCls, ctgrJetty);
Object logJettyUtil =
logCls.getMethod("getLogger", String.class).invoke(logCls, ctgrJettyUtil);
Object logJettyUtilComp =
logCls.getMethod("getLogger", String.class).invoke(logCls, ctgrJettyUtilComp);
Class<?> lvlCls = Class.forName("org.apache.log4j.Level");
Object warnLvl = lvlCls.getField("WARN").get(null);
Object errLvl = lvlCls.getField("ERROR").get(null);
logJetty.getClass().getMethod("setLevel", lvlCls).invoke(logJetty, warnLvl);
logJettyUtil.getClass().getMethod("setLevel", lvlCls).invoke(logJetty, errLvl);
logJettyUtilComp.getClass().getMethod("setLevel", lvlCls).invoke(logJetty, errLvl);
} catch (Exception ignored) {
// No-op.
}
}
}
/** {@inheritDoc} */
@Override
public void start() throws GridException {
if (ctx.isEnterprise()) {
Package pkg = getClass().getPackage();
if (pkg == null)
throw new GridException(
"Internal error (package object was not found) for: " + getClass().getName());
if (ctx.isEnterprise()) {
try {
Class<?> cls = Class.forName(pkg.getName() + ".GridEnterpriseSecureSessionHandler");
sesHnd =
(GridSecureSessionHandler)
cls.getConstructor(GridSecureSessionSpi[].class)
.newInstance(new Object[] {getProxies()});
} catch (ClassNotFoundException e) {
throw new GridException(
"Failed to create enterprise secure session handler (implementing class "
+ "was not found)",
e);
} catch (InvocationTargetException e) {
throw new GridException(
"Failed to create enterprise secure session handler (target constructor "
+ "has thrown an exception",
e.getCause());
} catch (InstantiationException e) {
throw new GridException(
"Failed to create enterprise secure session handler (object cannot be "
+ "instantiated)",
e);
} catch (NoSuchMethodException e) {
throw new GridException(
"Failed to create enterprise secure session handler (target constructor "
+ "could not be found)",
e);
} catch (IllegalAccessException e) {
throw new GridException(
"Failed to create enterprise secure session handler (object access is not"
+ " allowed)",
e);
}
}
} else sesHnd = new GridCommunitySecureSessionHandler();
startSpi();
if (log.isDebugEnabled()) log.debug(startInfo());
}
/** {@inheritDoc} */
@Nullable
@Override
public GridDeployment explicitDeploy(Class<?> cls, ClassLoader clsLdr) throws GridException {
try {
// Make sure not to deploy peer loaded tasks with non-local class loader,
// if local one exists.
if (clsLdr.getClass().equals(GridDeploymentClassLoader.class)) clsLdr = clsLdr.getParent();
GridDeployment dep;
synchronized (mux) {
boolean deployed = spi.register(clsLdr, cls);
if (deployed) {
dep = getDeployment(cls.getName());
if (dep == null) {
GridDeploymentResource rsrc = spi.findResource(cls.getName());
if (rsrc != null && rsrc.getClassLoader() == clsLdr) {
dep =
deploy(
ctx.config().getDeploymentMode(),
rsrc.getClassLoader(),
rsrc.getResourceClass(),
rsrc.getName());
}
}
if (dep != null) {
recordDeploy(cls, cls.getName(), true);
}
} else {
dep = getDeployment(cls.getName());
}
}
return dep;
} catch (GridSpiException e) {
recordDeployFailed(cls, clsLdr, true);
// Avoid double wrapping.
if (e.getCause() instanceof GridException) {
throw (GridException) e.getCause();
}
throw new GridException("Failed to deploy class: " + cls.getName(), e);
}
}
/**
* Checks whether or not given class should be excluded from marshalling.
*
* @param cls Class to check.
* @return {@code true} if class should be excluded, {@code false} otherwise.
*/
public static boolean isExcluded(Class<?> cls) {
assert cls != null;
for (Class<?> c : INCL_CLASSES) {
if (c.isAssignableFrom(cls)) {
return false;
}
}
for (Class<?> c : EXCL_CLASSES) {
if (c.isAssignableFrom(cls)) {
return true;
}
}
return false;
}
/**
* Creates JUnit test router. Note that router must have a no-arg constructor.
*
* @return JUnit router instance.
*/
@SuppressWarnings({"unchecked"})
private GridTestRouter createRouter() {
try {
if (routerCls == null) {
routerCls = (Class<? extends GridTestRouter>) Class.forName(routerClsName);
} else {
routerClsName = routerCls.getName();
}
return routerCls.newInstance();
} catch (ClassNotFoundException e) {
throw new GridRuntimeException("Failed to initialize JUnit router: " + routerClsName, e);
} catch (IllegalAccessException e) {
throw new GridRuntimeException("Failed to initialize JUnit router: " + routerClsName, e);
} catch (InstantiationException e) {
throw new GridRuntimeException("Failed to initialize JUnit router: " + routerClsName, e);
}
}
/**
* Gets alias for a class.
*
* @param dep Deployment.
* @param cls Class.
* @return Alias for a class.
*/
private String getAlias(GridDeployment dep, Class<?> cls) {
String alias = cls.getName();
if (isTask(cls)) {
GridTaskName ann = dep.annotation(cls, GridTaskName.class);
if (ann != null) {
alias = ann.value();
}
}
return alias;
}
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
id = in.readInt();
String clsName = in.readUTF();
if (clsName == null) innerSplit = in.readObject();
else {
// Split wrapper only used when classes available in our classpath, so Class.forName is ok
// here.
Class<Writable> cls = (Class<Writable>) Class.forName(clsName);
try {
innerSplit = U.newInstance(cls);
} catch (GridException e) {
throw new IOException(e);
}
((Writable) innerSplit).readFields(in);
}
}
/**
* Runs JDBC example.
*
* @param args Command line arguments.
* @throws Exception In case of error.
*/
public static void main(String[] args) throws Exception {
Grid grid = G.start("examples/config/spring-cache.xml");
Connection conn = null;
try {
// Populate cache with data.
populate(grid.cache(CACHE_NAME));
// Register JDBC driver.
Class.forName("org.gridgain.jdbc.GridJdbcDriver");
// Open JDBC connection.
conn =
DriverManager.getConnection("jdbc:gridgain://localhost/" + CACHE_NAME, configuration());
X.println(">>>");
// Query all persons.
queryAllPersons(conn);
X.println(">>>");
// Query person older than 30 years.
queryPersons(conn, 30);
X.println(">>>");
// Query persons working in GridGain.
queryPersonsInOrganization(conn, "GridGain");
X.println(">>>");
} finally {
// Close JDBC connection.
if (conn != null) conn.close();
G.stop(true);
}
}
/** {@inheritDoc} */
@Override
public void onDeployed(Class<?> cls) {
assert !Thread.holdsLock(mux);
boolean isTask = isTask(cls);
String msg =
(isTask ? "Task" : "Class") + " was deployed in SHARED or CONTINUOUS mode: " + cls;
int type = isTask ? EVT_TASK_DEPLOYED : EVT_CLASS_DEPLOYED;
if (ctx.event().isRecordable(type)) {
GridDeploymentEvent evt = new GridDeploymentEvent();
evt.nodeId(ctx.localNodeId());
evt.message(msg);
evt.type(type);
evt.alias(cls.getName());
ctx.event().record(evt);
}
if (log.isInfoEnabled()) log.info(msg);
}
/** {@inheritDoc} */
@Override
public ClassLoader classLoader() {
return p2pCls.getClassLoader();
}
/**
* Aspect implementation which executes grid-enabled methods on remote nodes.
*
* @param invoc Method invocation instance provided by JBoss AOP framework.
* @return Method execution result.
* @throws Throwable If method execution failed.
*/
@SuppressWarnings({
"ProhibitedExceptionDeclared",
"ProhibitedExceptionThrown",
"CatchGenericClass",
"unchecked"
})
@Bind(
pointcut = "execution(* *->@org.gridgain.grid.gridify.Gridify(..))",
cflow = "org.gridgain.grid.gridify.aop.jboss.GridifyJbossAspect.CFLOW_STACK")
public Object gridify(MethodInvocation invoc) throws Throwable {
Method mtd = invoc.getMethod();
Gridify ann = mtd.getAnnotation(Gridify.class);
assert ann != null : "Intercepted method does not have gridify annotation.";
// Since annotations in Java don't allow 'null' as default value
// we have accept an empty string and convert it here.
// NOTE: there's unintended behavior when user specifies an empty
// string as intended grid name.
// NOTE: the 'ann.gridName() == null' check is added to mitigate
// annotation bugs in some scripting languages (e.g. Groovy).
String gridName = F.isEmpty(ann.gridName()) ? null : ann.gridName();
if (G.state(gridName) != STARTED) {
throw new GridException("Grid is not locally started: " + gridName);
}
// Initialize defaults.
GridifyArgument arg =
new GridifyArgumentAdapter(
mtd.getDeclaringClass(),
mtd.getName(),
mtd.getParameterTypes(),
invoc.getArguments(),
invoc.getTargetObject());
if (!ann.interceptor().equals(GridifyInterceptor.class)) {
// Check interceptor first.
if (!ann.interceptor().newInstance().isGridify(ann, arg)) {
return invoc.invokeNext();
}
}
if (!ann.taskClass().equals(GridifyDefaultTask.class) && ann.taskName().length() > 0) {
throw new GridException(
"Gridify annotation must specify either Gridify.taskName() or "
+ "Gridify.taskClass(), but not both: "
+ ann);
}
try {
Grid grid = G.grid(gridName);
// If task class was specified.
if (!ann.taskClass().equals(GridifyDefaultTask.class)) {
return grid.execute(
(Class<? extends GridTask<GridifyArgument, Object>>) ann.taskClass(),
arg,
ann.timeout())
.get();
}
// If task name was not specified.
if (ann.taskName().length() == 0) {
return grid.execute(
new GridifyDefaultTask(invoc.getActualMethod().getDeclaringClass()),
arg,
ann.timeout())
.get();
}
// If task name was specified.
return grid.execute(ann.taskName(), arg, ann.timeout()).get();
} catch (Throwable e) {
for (Class<?> ex : invoc.getMethod().getExceptionTypes()) {
// Descend all levels down.
Throwable cause = e.getCause();
while (cause != null) {
if (ex.isAssignableFrom(cause.getClass())) {
throw cause;
}
cause = cause.getCause();
}
if (ex.isAssignableFrom(e.getClass())) {
throw e;
}
}
throw new GridifyRuntimeException("Undeclared exception thrown: " + e.getMessage(), e);
}
}
/**
* @param depMode Deployment mode.
* @param ldr Class loader to deploy.
* @param cls Class.
* @param alias Class alias.
* @return Deployment.
*/
@SuppressWarnings({"ConstantConditions"})
private GridDeployment deploy(
GridDeploymentMode depMode, ClassLoader ldr, Class<?> cls, String alias) {
assert Thread.holdsLock(mux);
LinkedList<GridDeployment> cachedDeps = null;
GridDeployment dep = null;
// Find existing class loader info.
for (LinkedList<GridDeployment> deps : cache.values()) {
for (GridDeployment d : deps) {
if (d.classLoader() == ldr) {
// Cache class and alias.
d.addDeployedClass(cls, alias);
cachedDeps = deps;
dep = d;
break;
}
}
if (cachedDeps != null) {
break;
}
}
if (cachedDeps != null) {
assert dep != null;
cache.put(alias, cachedDeps);
if (!cls.getName().equals(alias)) {
// Cache by class name as well.
cache.put(cls.getName(), cachedDeps);
}
return dep;
}
GridUuid ldrId = GridUuid.randomUuid();
long seqNum = seq.incrementAndGet();
String userVer = getUserVersion(ldr);
dep = new GridDeployment(depMode, ldr, ldrId, seqNum, userVer, cls.getName(), true);
dep.addDeployedClass(cls, alias);
LinkedList<GridDeployment> deps =
F.addIfAbsent(cache, alias, F.<GridDeployment>newLinkedList());
if (!deps.isEmpty()) {
for (GridDeployment d : deps) {
if (!d.isUndeployed()) {
U.error(
log,
"Found more than one active deployment for the same resource "
+ "[cls="
+ cls
+ ", depMode="
+ depMode
+ ", dep="
+ d
+ ']');
return null;
}
}
}
// Add at the beginning of the list for future fast access.
deps.addFirst(dep);
if (!cls.getName().equals(alias)) {
// Cache by class name as well.
cache.put(cls.getName(), deps);
}
if (log.isDebugEnabled()) {
log.debug("Created new deployment: " + dep);
}
return dep;
}