package org.infinispan.remoting.transport;
import org.infinispan.commons.CacheException;
import org.infinispan.configuration.global.GlobalConfiguration;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.partionhandling.AvailabilityException;
import org.infinispan.remoting.responses.ExceptionResponse;
import org.infinispan.remoting.responses.Response;
import org.infinispan.remoting.transport.jgroups.SuspectException;
import org.infinispan.util.concurrent.TimeoutException;
import org.infinispan.util.logging.Log;
import java.util.Map;
/**
* Common transport-related behaviour
*
* @author Manik Surtani
* @version 4.2
*/
public abstract class AbstractTransport implements Transport {
protected GlobalConfiguration configuration;
@Inject
@SuppressWarnings("unused")
public void setConfiguration(GlobalConfiguration globalConfiguration) {
this.configuration = globalConfiguration;
}
public final boolean checkResponse(Object responseObject, Address sender) throws Exception {
Log log = getLog();
if (responseObject instanceof Response) {
Response response = (Response) responseObject;
if (response instanceof ExceptionResponse) {
ExceptionResponse exceptionResponse = (ExceptionResponse) response;
Exception e = exceptionResponse.getException();
if (e instanceof SuspectException)
throw log.thirdPartySuspected(sender, (SuspectException) e);
if (e instanceof AvailabilityException)
throw e;
// if we have any application-level exceptions make sure we throw them!!
throw log.remoteException(sender, e);
}
return true;
} else if (responseObject != null) {
// null responses should just be ignored, all other responses should trigger an exception
Class<?> responseClass = responseObject.getClass();
log.tracef("Unexpected response object type from %s: %s", sender, responseClass);
throw new CacheException(String.format("Unexpected response object type from %s: %s", sender, responseClass));
}
return false;
}
protected final boolean parseResponseAndAddToResponseList(Object responseObject, Throwable exception, Map<Address, Response> responseListToAddTo, boolean wasSuspected,
boolean wasReceived, Address sender, boolean usedResponseFilter, boolean ignoreLeavers)
throws Exception
{
Log log = getLog();
boolean invalidResponse = true;
if (!wasSuspected && wasReceived) {
invalidResponse = false;
if (exception != null) {
log.tracef(exception, "Unexpected exception from %s", sender);
throw new CacheException("Remote (" + sender + ") failed unexpectedly", exception);
}
if (checkResponse(responseObject, sender)) responseListToAddTo.put(sender, (Response) responseObject);
} else if (wasSuspected) {
if (!ignoreLeavers) {
throw new SuspectException("Suspected member: " + sender, sender);
} else {
log.tracef("Target node %s left during remote call, ignoring", sender);
// Don't throw a TimeoutException in invokeRemotely if the only target left the cluster
invalidResponse = false;
}
} else {
// if we have a response filter then we may not have waited for some nodes!
if (!usedResponseFilter) throw new TimeoutException("Replication timeout for " + sender);
}
return invalidResponse;
}
}