/*
* 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.provenance.lucene;
import java.io.File;
import java.io.IOException;
import org.apache.nifi.provenance.IndexConfiguration;
import org.apache.nifi.provenance.expiration.ExpirationAction;
import org.apache.nifi.provenance.serialization.RecordReader;
import org.apache.nifi.provenance.serialization.RecordReaders;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class UpdateMinimumEventId implements ExpirationAction {
private static final Logger logger = LoggerFactory.getLogger(UpdateMinimumEventId.class);
private final IndexConfiguration indexConfig;
public UpdateMinimumEventId(final IndexConfiguration indexConfig) {
this.indexConfig = indexConfig;
}
@Override
public File execute(final File expiredFile) throws IOException {
try (final RecordReader reader = RecordReaders.newRecordReader(expiredFile, null, Integer.MAX_VALUE)) {
final long maxEventId = reader.getMaxEventId();
indexConfig.setMinIdIndexed(maxEventId);
logger.info("Updated Minimum Event ID for Provenance Event Repository - Minimum Event ID now {}", maxEventId);
} catch (final IOException ioe) {
logger.warn("Failed to obtain max ID present in journal file {}", expiredFile.getAbsolutePath());
}
return expiredFile;
}
@Override
public boolean hasBeenPerformed(final File expiredFile) throws IOException {
return !expiredFile.exists();
}
}