| /* |
| * 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.druid.indexing.input; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| import org.apache.druid.data.input.InputEntity; |
| import org.apache.druid.java.util.emitter.EmittingLogger; |
| import org.apache.druid.segment.loading.SegmentLoader; |
| import org.apache.druid.segment.loading.SegmentLoadingException; |
| import org.apache.druid.timeline.DataSegment; |
| import org.joda.time.Interval; |
| |
| import javax.annotation.Nullable; |
| import java.io.File; |
| import java.io.InputStream; |
| import java.net.URI; |
| |
| public class DruidSegmentInputEntity implements InputEntity |
| { |
| private static final EmittingLogger log = new EmittingLogger(DruidSegmentInputEntity.class); |
| |
| private final SegmentLoader segmentLoader; |
| private final DataSegment segment; |
| private final Interval intervalFilter; |
| |
| public DruidSegmentInputEntity(SegmentLoader segmentLoader, DataSegment segment, Interval intervalFilter) |
| { |
| this.segmentLoader = segmentLoader; |
| this.segment = segment; |
| this.intervalFilter = intervalFilter; |
| } |
| |
| public Interval getIntervalFilter() |
| { |
| return intervalFilter; |
| } |
| |
| @Nullable |
| @Override |
| public URI getUri() |
| { |
| return null; |
| } |
| |
| @Override |
| public InputStream open() |
| { |
| throw new UnsupportedOperationException("Don't call this"); |
| } |
| |
| @Override |
| public CleanableFile fetch(File temporaryDirectory, byte[] fetchBuffer) |
| { |
| final File segmentFile; |
| try { |
| segmentFile = segmentLoader.getSegmentFiles(segment); |
| } |
| catch (SegmentLoadingException e) { |
| throw new RuntimeException(e); |
| } |
| return new CleanableFile() |
| { |
| @Override |
| public File file() |
| { |
| return segmentFile; |
| } |
| |
| @Override |
| public void close() |
| { |
| if (!segmentFile.delete()) { |
| log.warn("Could not clean temporary segment file: " + segmentFile); |
| } |
| } |
| }; |
| } |
| |
| @Override |
| public Predicate<Throwable> getRetryCondition() |
| { |
| return Predicates.alwaysFalse(); |
| } |
| } |