/** {@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());
}
/**
* Provides default implementation for execution of grid-enabled methods. This method assumes that
* argument passed in is of {@link GridifyArgument} type. It attempts to reflectively execute a
* method based on information provided in the argument and returns the return value of the
* method.
*
* <p>If some exception occurred during execution, then it will be thrown out of this method.
*
* @return {@inheritDoc}
* @throws GridException {@inheritDoc}
*/
@Override
public Object execute() throws GridException {
GridifyArgument arg = argument(0);
try {
// Get public, package, protected, or private method.
Method mtd =
arg.getMethodClass()
.getDeclaredMethod(arg.getMethodName(), arg.getMethodParameterTypes());
// Attempt to soften access control in case we grid-enabling
// non-accessible method. Subject to security manager setting.
if (!mtd.isAccessible())
try {
mtd.setAccessible(true);
} catch (SecurityException e) {
throw new GridException(
"Got security exception when attempting to soften access control for "
+ "@Gridify method: "
+ mtd,
e);
}
Object obj = null;
// No need to create an instance for static methods.
if (!Modifier.isStatic(mtd.getModifiers()))
// Obtain instance to execute method on.
obj = arg.getTarget();
return mtd.invoke(obj, arg.getMethodParameters());
} catch (InvocationTargetException e) {
if (e.getTargetException() instanceof GridException)
throw (GridException) e.getTargetException();
throw new GridException(
"Failed to invoke a method due to user exception.", e.getTargetException());
} catch (IllegalAccessException e) {
throw new GridException("Failed to access method for execution.", e);
} catch (NoSuchMethodException e) {
throw new GridException("Failed to find method for execution.", e);
}
}
