// Copyright (C) 2011 Splunk Inc.
//
// Splunk Inc. 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 com.splunk.shuttl.archiver.copy;
import java.io.File;
import com.splunk.Index;
import com.splunk.Service;
import com.splunk.shuttl.archiver.model.IllegalIndexException;
import com.splunk.shuttl.archiver.model.LocalBucket;
/**
* Can iterate over buckets in the cold buckets directory.
*/
public class ColdBucketInterator {
private final Service splunkService;
private final BucketIteratorFactory bucketIteratorFactory;
public ColdBucketInterator(Service splunkService,
BucketIteratorFactory bucketIteratorFactory) {
this.splunkService = splunkService;
this.bucketIteratorFactory = bucketIteratorFactory;
}
/**
* @return iterable over buckets in a cold buckets directory for a specified
* index.
*/
public Iterable<LocalBucket> coldBucketsAtIndex(String indexName) {
Index splunkIndex = getSplunkIndexByName(indexName);
String coldPath = splunkIndex.getColdPathExpanded();
return bucketIteratorFactory.iteratorInDirectory(new File(coldPath),
indexName);
}
private Index getSplunkIndexByName(String indexName) {
Index splunkIndex = splunkService.getIndexes().get(indexName);
if (splunkIndex == null)
throw new IllegalIndexException(indexName);
else
return splunkIndex;
}
}