| 1 | package net.spy.memcached.internal; |
| 2 | |
| 3 | import java.util.Collection; |
| 4 | import java.util.Collections; |
| 5 | import java.util.concurrent.TimeoutException; |
| 6 | |
| 7 | import net.spy.memcached.MemcachedNode; |
| 8 | import net.spy.memcached.ops.Operation; |
| 9 | |
| 10 | /** |
| 11 | * Timeout exception that tracks the original operation. |
| 12 | */ |
| 13 | public class CheckedOperationTimeoutException extends TimeoutException { |
| 14 | |
| 15 | private final Collection<Operation> operations; |
| 16 | |
| 17 | /** |
| 18 | * Construct a CheckedOperationTimeoutException with the given message |
| 19 | * and operation. |
| 20 | * |
| 21 | * @param message the message |
| 22 | * @param op the operation that timed out |
| 23 | */ |
| 24 | public CheckedOperationTimeoutException(String message, Operation op) { |
| 25 | this(message, Collections.singleton(op)); |
| 26 | } |
| 27 | |
| 28 | public CheckedOperationTimeoutException(String message, |
| 29 | Collection<Operation> ops) { |
| 30 | super(createMessage(message, ops)); |
| 31 | operations = ops; |
| 32 | } |
| 33 | |
| 34 | private static String createMessage(String message, |
| 35 | Collection<Operation> ops) { |
| 36 | StringBuilder rv = new StringBuilder(message); |
| 37 | rv.append(" - failing node"); |
| 38 | rv.append(ops.size() == 1 ? ": " : "s: "); |
| 39 | boolean first = true; |
| 40 | for(Operation op : ops) { |
| 41 | if(first) { |
| 42 | first = false; |
| 43 | } else { |
| 44 | rv.append(", "); |
| 45 | } |
| 46 | MemcachedNode node = op == null ? null : op.getHandlingNode(); |
| 47 | rv.append(node == null ? "<unknown>" : node.getSocketAddress()); |
| 48 | } |
| 49 | return rv.toString(); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Get the operation that timed out. |
| 54 | */ |
| 55 | public Collection<Operation> getOperations() { |
| 56 | return operations; |
| 57 | } |
| 58 | } |