// Copyright 2017 JanusGraph Authors
//
// Licensed 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.janusgraph.diskstorage.log.util;
import com.google.common.base.Preconditions;
import org.janusgraph.diskstorage.log.Message;
import org.janusgraph.diskstorage.log.MessageReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Helper class for processing read messages with the registered message readers.
* Simple implementation of a {@link Runnable}.
*
* @author Matthias Broecheler (me@matthiasb.com)
*/
public class ProcessMessageJob implements Runnable {
private static final Logger log = LoggerFactory.getLogger(ProcessMessageJob.class);
private final Message message;
private final MessageReader reader;
public ProcessMessageJob(final Message message, final MessageReader reader) {
Preconditions.checkArgument(message!=null && reader!=null);
this.message = message;
this.reader = reader;
}
@Override
public void run() {
try {
log.debug("Passing {} to {}", message, reader);
reader.read(message);
} catch (Throwable e) {
log.error("Encountered exception when processing message ["+message+"] by reader ["+reader+"]:",e);
}
}
}