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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.index.snapshots.blobstore;
import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot.FileInfo;
import java.util.List;
import java.util.Map;
import static com.google.common.collect.Maps.newHashMap;
/**
* Contains a list of files participating in a snapshot
*/
public class SnapshotFiles {
private final String snapshot;
private final List indexFiles;
private Map physicalFiles = null;
public String snapshot() {
return snapshot;
}
public SnapshotFiles(String snapshot, List indexFiles ) {
this.snapshot = snapshot;
this.indexFiles = indexFiles;
}
/**
* Returns a list of file in the snapshot
*/
public List indexFiles() {
return indexFiles;
}
/**
* Returns true if this snapshot contains a file with a given original name
*
* @param physicalName original file name
* @return true if the file was found, false otherwise
*/
public boolean containPhysicalIndexFile(String physicalName) {
return findPhysicalIndexFile(physicalName) != null;
}
/**
* Returns information about a physical file with the given name
* @param physicalName the original file name
* @return information about this file
*/
public FileInfo findPhysicalIndexFile(String physicalName) {
if (physicalFiles == null) {
Map files = newHashMap();
for(FileInfo fileInfo : indexFiles) {
files.put(fileInfo.physicalName(), fileInfo);
}
this.physicalFiles = files;
}
return physicalFiles.get(physicalName);
}
}