LocalFileTimestampVersionFinder (druid-server 29.0.1 API)

java.lang.Object
- org.apache.druid.segment.loading.LocalDataSegmentPuller
- - org.apache.druid.segment.loading.LocalFileTimestampVersionFinder

All Implemented Interfaces:: org.apache.druid.data.SearchableVersionedDataFinder<URI>, org.apache.druid.segment.loading.URIDataPuller

public class LocalFileTimestampVersionFinder
extends LocalDataSegmentPuller
implements org.apache.druid.data.SearchableVersionedDataFinder<URI>

Field Summary

Fields
Modifier and Type Field Description

static String URI_SCHEME
- Fields inherited from class org.apache.druid.segment.loading.LocalDataSegmentPuller
  DEFAULT_RETRY_COUNT

Constructor Summary

Constructors
Constructor Description

LocalFileTimestampVersionFinder()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`URI`	`getLatestVersion(URI uri, Pattern pattern)`	Matches based on a pattern in the file name.

Methods inherited from class org.apache.druid.segment.loading.LocalDataSegmentPuller
buildFileObject, getInputStream, getSegmentFiles, getSegmentFiles, getVersion, shouldRetryPredicate

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - URI_SCHEME
```
public static final String URI_SCHEME
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - LocalFileTimestampVersionFinder
```
public LocalFileTimestampVersionFinder()
```
- Method Detail
  - getLatestVersion
```
public URI getLatestVersion(URI uri,
                            @Nullable
                            Pattern pattern)
```
    Matches based on a pattern in the file name. Returns the file with the latest timestamp.
    
    Specified by:
    
    getLatestVersion in interface org.apache.druid.data.SearchableVersionedDataFinder<URI>
    
    Parameters:
    
    uri - If it is a file, then the parent is searched. If it is a directory, then the directory is searched.
    
    pattern - The matching filter to down-select the file names in the directory of interest. Passing `null` results in matching any file
    
    Returns:
    
    The URI of the most recently modified file which matches the pattern, or `null` if it cannot be found