/*
* 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.nifi.processors.couchbase;
import static org.apache.nifi.processors.couchbase.ErrorHandlingStrategy.ConfigurationError;
import static org.apache.nifi.processors.couchbase.ErrorHandlingStrategy.Fatal;
import static org.apache.nifi.processors.couchbase.ErrorHandlingStrategy.InvalidInput;
import static org.apache.nifi.processors.couchbase.ErrorHandlingStrategy.TemporalClusterError;
import static org.apache.nifi.processors.couchbase.ErrorHandlingStrategy.TemporalFlowFileError;
import java.util.HashMap;
import java.util.Map;
import com.couchbase.client.core.BackpressureException;
import com.couchbase.client.core.BucketClosedException;
import com.couchbase.client.core.CouchbaseException;
import com.couchbase.client.core.DocumentConcurrentlyModifiedException;
import com.couchbase.client.core.DocumentMutationLostException;
import com.couchbase.client.core.ReplicaNotConfiguredException;
import com.couchbase.client.core.RequestCancelledException;
import com.couchbase.client.core.ServiceNotAvailableException;
import com.couchbase.client.core.config.ConfigurationException;
import com.couchbase.client.core.endpoint.SSLException;
import com.couchbase.client.core.endpoint.kv.AuthenticationException;
import com.couchbase.client.core.env.EnvironmentException;
import com.couchbase.client.core.state.NotConnectedException;
import com.couchbase.client.java.error.BucketDoesNotExistException;
import com.couchbase.client.java.error.CannotRetryException;
import com.couchbase.client.java.error.CouchbaseOutOfMemoryException;
import com.couchbase.client.java.error.DurabilityException;
import com.couchbase.client.java.error.InvalidPasswordException;
import com.couchbase.client.java.error.RequestTooBigException;
import com.couchbase.client.java.error.TemporaryFailureException;
import com.couchbase.client.java.error.TranscodingException;
public class CouchbaseExceptionMappings {
private static final Map<Class<? extends CouchbaseException>, ErrorHandlingStrategy>mapping = new HashMap<>();
/*
* - Won't happen
* BucketAlreadyExistsException: never create a bucket
* CASMismatchException: cas-id and replace is not used yet
* DesignDocumentException: View is not used yet
* DocumentAlreadyExistsException: insert is not used yet
* DocumentDoesNotExistException: replace is not used yet
* FlushDisabledException: never call flush
* RepositoryMappingException: EntityDocument is not used
* TemporaryLockFailureException: we don't obtain locks
* ViewDoesNotExistException: View is not used yet
* NamedPreparedStatementException: N1QL is not used yet
* QueryExecutionException: N1QL is not used yet
*/
static {
/*
* ConfigurationError
*/
mapping.put(AuthenticationException.class, ConfigurationError);
mapping.put(BucketDoesNotExistException.class, ConfigurationError);
mapping.put(ConfigurationException.class, ConfigurationError);
mapping.put(InvalidPasswordException.class, ConfigurationError);
mapping.put(EnvironmentException.class, ConfigurationError);
// when Couchbase doesn't have enough replica
mapping.put(ReplicaNotConfiguredException.class, ConfigurationError);
// when a particular Service(KV, View, Query, DCP) isn't running in a cluster
mapping.put(ServiceNotAvailableException.class, ConfigurationError);
// SSL configuration error, such as key store misconfiguration.
mapping.put(SSLException.class, ConfigurationError);
/*
* InvalidInput
*/
mapping.put(RequestTooBigException.class, InvalidInput);
mapping.put(TranscodingException.class, InvalidInput);
/*
* Temporal Cluster Error
*/
mapping.put(BackpressureException.class, TemporalClusterError);
mapping.put(CouchbaseOutOfMemoryException.class, TemporalClusterError);
mapping.put(TemporaryFailureException.class, TemporalClusterError);
// occurs when a connection gets lost
mapping.put(RequestCancelledException.class, TemporalClusterError);
/*
* Temporal FlowFile Error
*/
mapping.put(DocumentConcurrentlyModifiedException.class, TemporalFlowFileError);
mapping.put(DocumentMutationLostException.class, TemporalFlowFileError);
mapping.put(DurabilityException.class, TemporalFlowFileError);
/*
* Fatal
*/
mapping.put(BucketClosedException.class, Fatal);
mapping.put(CannotRetryException.class, Fatal);
mapping.put(NotConnectedException.class, Fatal);
}
/**
* Returns a registered error handling strategy.
* @param e the CouchbaseException
* @return a registered strategy, if it's not registered, then return Fatal
*/
public static ErrorHandlingStrategy getStrategy(CouchbaseException e){
ErrorHandlingStrategy strategy = mapping.get(e.getClass());
if(strategy == null) {
// Treat unknown Exception as Fatal.
return ErrorHandlingStrategy.Fatal;
}
return strategy;
}
}