io.druid.storage.s3.S3LoadSpec Maven / Gradle / Ivy
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* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets 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 io.druid.storage.s3;
import com.fasterxml.jackson.annotation.JacksonInject;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeName;
import com.google.common.base.Preconditions;
import io.druid.segment.loading.LoadSpec;
import io.druid.segment.loading.SegmentLoadingException;
import java.io.File;
/**
*
*/
@JsonTypeName(S3StorageDruidModule.SCHEME)
public class S3LoadSpec implements LoadSpec
{
@JsonProperty(S3DataSegmentPuller.BUCKET)
private final String bucket;
@JsonProperty(S3DataSegmentPuller.KEY)
private final String key;
private final S3DataSegmentPuller puller;
@JsonCreator
public S3LoadSpec(
@JacksonInject S3DataSegmentPuller puller,
@JsonProperty(S3DataSegmentPuller.BUCKET) String bucket,
@JsonProperty(S3DataSegmentPuller.KEY) String key
)
{
Preconditions.checkNotNull(bucket);
Preconditions.checkNotNull(key);
this.bucket = bucket;
this.key = key;
this.puller = puller;
}
@Override
public LoadSpecResult loadSegment(File outDir) throws SegmentLoadingException
{
return new LoadSpecResult(puller.getSegmentFiles(new S3DataSegmentPuller.S3Coords(bucket, key), outDir).size());
}
}