/**
* Returns compact class host.
*
* @param obj Object to compact.
* @return String.
*/
@Nullable
public static Object compactObject(Object obj) {
if (obj == null) return null;
if (obj instanceof Enum) return obj.toString();
if (obj instanceof String || obj instanceof Boolean || obj instanceof Number) return obj;
if (obj instanceof Collection) {
Collection col = (Collection) obj;
Object[] res = new Object[col.size()];
int i = 0;
for (Object elm : col) res[i++] = compactObject(elm);
return res;
}
if (obj.getClass().isArray()) {
Class<?> arrType = obj.getClass().getComponentType();
if (arrType.isPrimitive()) {
if (obj instanceof boolean[]) return Arrays.toString((boolean[]) obj);
if (obj instanceof byte[]) return Arrays.toString((byte[]) obj);
if (obj instanceof short[]) return Arrays.toString((short[]) obj);
if (obj instanceof int[]) return Arrays.toString((int[]) obj);
if (obj instanceof long[]) return Arrays.toString((long[]) obj);
if (obj instanceof float[]) return Arrays.toString((float[]) obj);
if (obj instanceof double[]) return Arrays.toString((double[]) obj);
}
Object[] arr = (Object[]) obj;
int iMax = arr.length - 1;
StringBuilder sb = new StringBuilder("[");
for (int i = 0; i <= iMax; i++) {
sb.append(compactObject(arr[i]));
if (i != iMax) sb.append(", ");
}
sb.append("]");
return sb.toString();
}
return U.compact(obj.getClass().getName());
}
/** {@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);
}
}
private static Object createArgumentPlaceholder(Class<?> clazz, Integer placeholderId) {
if (clazz.isPrimitive() || Number.class.isAssignableFrom(clazz) || Character.class == clazz)
return getPrimitivePlaceHolder(clazz, placeholderId);
if (clazz == String.class) return String.valueOf(placeholderId);
if (Date.class.isAssignableFrom(clazz)) return new Date(placeholderId);
if (clazz.isArray()) return Array.newInstance(clazz.getComponentType(), 1);
try {
return createArgumentPlaceholderForUnknownClass(clazz, placeholderId);
} catch (Exception e) {
throw new ArgumentConversionException(
"It is not possible to create a placeholder for class: " + clazz.getName(), e);
}
}
/**
* Register a custom argument creator factory for an unknown final class
*
* @param clazz The class for which this factory should be used
* @param creator The argument factory
* @param <T>
*/
public static <T> void registerFinalClassArgumentCreator(
Class<T> clazz, FinalClassArgumentCreator<T> creator) {
if ((clazz.getModifiers() & Modifier.FINAL) == 0)
throw new RuntimeException(
"A custom argument creator can be registered only for final classes");
FINAL_CLASS_ARGUMENT_CREATORS.put(clazz, creator);
}
/**
* Log task mapped.
*
* @param log Logger.
* @param clazz Task class.
* @param nodes Mapped nodes.
*/
public static void logMapped(
@Nullable IgniteLogger log, Class<?> clazz, Collection<ClusterNode> nodes) {
log0(
log,
U.currentTimeMillis(),
String.format("[%s]: MAPPED: %s", clazz.getSimpleName(), U.toShortString(nodes)));
}
private void sendResponse(long requestId, Object value, Class<?> declaredType)
throws IOException {
DataOutputStream out = newFlusher();
out.writeByte(RESPONSE);
out.writeLong(requestId);
if (value == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
Class<?> clazz = value.getClass();
out.writeUTF(clazz.getName());
Serializer<Object> s = serializerFor(clazz, declaredType);
s.serialize(out, value);
}
out.writeBoolean(false);
out.flush();
}
/**
* Log finished.
*
* @param log Logger.
* @param clazz Class.
* @param start Start time.
*/
public static void logFinish(@Nullable IgniteLogger log, Class<?> clazz, long start) {
final long end = U.currentTimeMillis();
log0(
log,
end,
String.format(
"[%s]: FINISHED, duration: %s", clazz.getSimpleName(), formatDuration(end - start)));
}
private static Object createArgumentPlaceholderForUnknownClass(
Class<?> clazz, Integer placeholderId) throws IllegalAccessException, InstantiationException {
FinalClassArgumentCreator<?> creator = FINAL_CLASS_ARGUMENT_CREATORS.get(clazz);
if (creator != null) return creator.createArgumentPlaceHolder(placeholderId);
for (Constructor constructor : clazz.getConstructors()) {
Class<?>[] params = constructor.getParameterTypes();
if (params.length != 1) continue;
try {
if (params[0] == String.class)
return constructor.newInstance(String.valueOf(placeholderId));
if (isNumericClass(params[0])) return constructor.newInstance(placeholderId);
} catch (IllegalAccessException e1) {
} catch (InvocationTargetException e2) {
}
}
return clazz.newInstance();
}
/**
* Log message.
*
* @param log Logger.
* @param msg Message to log.
* @param clazz class.
* @param start start time.
* @return Time when message was logged.
*/
public static long log(@Nullable IgniteLogger log, String msg, Class<?> clazz, long start) {
final long end = U.currentTimeMillis();
log0(
log,
end,
String.format(
"[%s]: %s, duration: %s", clazz.getSimpleName(), msg, formatDuration(end - start)));
return end;
}
/**
* 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;
}
/**
* Log start.
*
* @param log Logger.
* @param clazz Class.
* @param start Start time.
*/
public static void logStart(@Nullable IgniteLogger log, Class<?> clazz, long start) {
log0(log, start, "[" + clazz.getSimpleName() + "]: STARTED");
}
private static Object createPlaceholder(Class<?> clazz, InvocationSequence invocationSequence) {
return !Modifier.isFinal(clazz.getModifiers())
? createProxy(new ProxyArgument(clazz, invocationSequence), clazz, false)
: createArgumentPlaceholder(clazz);
}
/**
* @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;
}
@Override
public String toString() {
return toString(joinClass == null ? null : joinClass.getSimpleName()).toString();
}
@SuppressWarnings("unchecked")
private static <T> T createFinalArgumentPlaceholder(Class<T> clazz) {
if (clazz == Boolean.TYPE || clazz == Boolean.class) return (T) Boolean.FALSE;
if (clazz.isEnum()) return (T) EnumSet.allOf((Class<? extends Enum>) clazz).iterator().next();
return (T) createArgumentPlaceholder(clazz, FINAL_PLACEHOLDER_SEED);
}
@SuppressWarnings("unchecked")
Object getNextPlaceholder(Class<?> clazz) {
return clazz.isEnum()
? getNextEnumPlaceholder((Class<? extends Enum>) clazz)
: getNextBooleanPlaceholder();
}
private static boolean isLimitedValues(Class<?> clazz) {
return clazz == Boolean.TYPE || clazz == Boolean.class || clazz.isEnum();
}