/*
* 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.serialization;
import java.io.IOException;
import java.util.Optional;
import org.apache.nifi.provenance.ProvenanceEventRecord;
import org.apache.nifi.provenance.StandardProvenanceEventRecord;
import org.apache.nifi.provenance.toc.TocReader;
public class EmptyRecordReader implements RecordReader {
@Override
public void close() throws IOException {
}
@Override
public StandardProvenanceEventRecord nextRecord() throws IOException {
return null;
}
@Override
public void skip(long bytesToSkip) throws IOException {
}
@Override
public void skipTo(long position) throws IOException {
}
@Override
public void skipToBlock(int blockIndex) throws IOException {
}
@Override
public int getBlockIndex() {
return 0;
}
@Override
public boolean isBlockIndexAvailable() {
return false;
}
@Override
public TocReader getTocReader() {
return null;
}
@Override
public long getBytesConsumed() {
return 0;
}
@Override
public long getMaxEventId() throws IOException {
return 0;
}
@Override
public Optional<ProvenanceEventRecord> skipToEvent(long eventId) throws IOException {
return Optional.empty();
}
@Override
public boolean isData() {
return false;
}
}