package net.spy.memcached.internal;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.TimeoutException;
import net.spy.memcached.MemcachedNode;
import net.spy.memcached.ops.Operation;
/**
* Timeout exception that tracks the original operation.
*/
public class CheckedOperationTimeoutException extends TimeoutException {
private final Collection<Operation> operations;
/**
* Construct a CheckedOperationTimeoutException with the given message
* and operation.
*
* @param message the message
* @param op the operation that timed out
*/
public CheckedOperationTimeoutException(String message, Operation op) {
this(message, Collections.singleton(op));
}
public CheckedOperationTimeoutException(String message,
Collection<Operation> ops) {
super(createMessage(message, ops));
operations = ops;
}
private static String createMessage(String message,
Collection<Operation> ops) {
StringBuilder rv = new StringBuilder(message);
rv.append(" - failing node");
rv.append(ops.size() == 1 ? ": " : "s: ");
boolean first = true;
for(Operation op : ops) {
if(first) {
first = false;
} else {
rv.append(", ");
}
MemcachedNode node = op == null ? null : op.getHandlingNode();
rv.append(node == null ? "<unknown>" : node.getSocketAddress());
}
return rv.toString();
}
/**
* Get the operation that timed out.
*/
public Collection<Operation> getOperations() {
return operations;
}
}