| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.pulsar.client.api.transaction; |
| |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| import org.apache.pulsar.common.classification.InterfaceAudience; |
| import org.apache.pulsar.common.classification.InterfaceStability; |
| |
| /** |
| * Exceptions for transaction coordinator client. |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public class TransactionCoordinatorClientException extends IOException { |
| |
| public TransactionCoordinatorClientException(Throwable t) { |
| super(t); |
| } |
| |
| public TransactionCoordinatorClientException(String message) { |
| super(message); |
| } |
| |
| /** |
| * Thrown when transaction coordinator with unexpected state. |
| */ |
| public static class CoordinatorClientStateException extends TransactionCoordinatorClientException { |
| |
| public CoordinatorClientStateException() { |
| super("Unexpected state for transaction metadata client."); |
| } |
| |
| public CoordinatorClientStateException(String message) { |
| super(message); |
| } |
| } |
| |
| /** |
| * Thrown when transaction coordinator not found in broker side. |
| */ |
| public static class CoordinatorNotFoundException extends TransactionCoordinatorClientException { |
| public CoordinatorNotFoundException(String message) { |
| super(message); |
| } |
| } |
| |
| /** |
| * Thrown when transaction switch to a invalid status. |
| */ |
| public static class InvalidTxnStatusException extends TransactionCoordinatorClientException { |
| public InvalidTxnStatusException(String message) { |
| super(message); |
| } |
| |
| public InvalidTxnStatusException(String txnId, String actualState, String expectState) { |
| super("[" + txnId + "] with unexpected state : " |
| + actualState + ", expect " + expectState + " state!"); |
| } |
| } |
| |
| /** |
| * Thrown when transaction not found in transaction coordinator. |
| */ |
| public static class TransactionNotFoundException extends TransactionCoordinatorClientException { |
| public TransactionNotFoundException(String message) { |
| super(message); |
| } |
| } |
| |
| /** |
| * Thrown when transaction meta store handler not exists. |
| */ |
| public static class MetaStoreHandlerNotExistsException extends TransactionCoordinatorClientException { |
| |
| public MetaStoreHandlerNotExistsException(long tcId) { |
| super("Transaction meta store handler for transaction meta store {} not exists."); |
| } |
| |
| public MetaStoreHandlerNotExistsException(String message) { |
| super(message); |
| } |
| } |
| |
| |
| /** |
| * Thrown when transaction meta was timeout. |
| */ |
| public static class TransactionTimeotException extends TransactionCoordinatorClientException { |
| |
| public TransactionTimeotException(Throwable t) { |
| super(t); |
| } |
| |
| public TransactionTimeotException(String transactionId) { |
| super("The transaction " + transactionId + " is timeout."); |
| } |
| } |
| |
| /** |
| * Thrown when send request to transaction meta store but the transaction meta store handler not ready. |
| */ |
| public static class MetaStoreHandlerNotReadyException extends TransactionCoordinatorClientException { |
| public MetaStoreHandlerNotReadyException(long tcId) { |
| super("Transaction meta store handler for transaction meta store {} not ready now."); |
| } |
| |
| public MetaStoreHandlerNotReadyException(String message) { |
| super(message); |
| } |
| } |
| |
| public static TransactionCoordinatorClientException unwrap(Throwable t) { |
| if (t instanceof TransactionCoordinatorClientException) { |
| return (TransactionCoordinatorClientException) t; |
| } else if (t instanceof RuntimeException) { |
| throw (RuntimeException) t; |
| } else if (t instanceof InterruptedException) { |
| Thread.currentThread().interrupt(); |
| return new TransactionCoordinatorClientException(t); |
| } else if (!(t instanceof ExecutionException)) { |
| // Generic exception |
| return new TransactionCoordinatorClientException(t); |
| } |
| |
| Throwable cause = t.getCause(); |
| String msg = cause.getMessage(); |
| |
| if (cause instanceof CoordinatorNotFoundException) { |
| return new CoordinatorNotFoundException(msg); |
| } else if (cause instanceof InvalidTxnStatusException) { |
| return new InvalidTxnStatusException(msg); |
| } else { |
| return new TransactionCoordinatorClientException(t); |
| } |
| |
| } |
| } |