org.apache.camel.component.file.remote.RemoteFilePollingConsumerPollStrategy Maven / Gradle / Ivy
/*
* 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.camel.component.file.remote;
import org.apache.camel.Consumer;
import org.apache.camel.Endpoint;
import org.apache.camel.support.DefaultPollingConsumerPollStrategy;
/**
* Remote file consumer polling strategy that attempts to help recovering from lost connections.
*/
public class RemoteFilePollingConsumerPollStrategy extends DefaultPollingConsumerPollStrategy {
@Override
public boolean rollback(Consumer consumer, Endpoint endpoint, int retryCounter, Exception e) throws Exception {
if (consumer instanceof RemoteFileConsumer) {
RemoteFileConsumer rfc = (RemoteFileConsumer) consumer;
// only try to recover if we are allowed to run
if (rfc.isRunAllowed()) {
// disconnect from the server to force it to re login at next
// poll to recover
if (log.isWarnEnabled()) {
log.warn("Trying to recover by force disconnecting from remote server and re-connecting at next poll: {}",
rfc.remoteServer());
}
try {
rfc.forceDisconnect();
} catch (Throwable t) {
// ignore the exception
if (log.isDebugEnabled()) {
log.debug("Error occurred during force disconnecting from: {}. This exception will be ignored.",
rfc.remoteServer(), t);
}
}
}
}
return super.rollback(consumer, endpoint, retryCounter, e);
}
}