Package org.apache.iceberg.io
Interface SupportsPrefixOperations
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- All Superinterfaces:
java.lang.AutoCloseable
,java.io.Closeable
,FileIO
,java.io.Serializable
- All Known Implementing Classes:
HadoopFileIO
,S3FileIO
public interface SupportsPrefixOperations extends FileIO
This interface is intended as an extension for FileIO implementations to provide additional prefix based operations that may be useful in performing supporting operations.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
deletePrefix(java.lang.String prefix)
Delete all files under a prefix.java.lang.Iterable<FileInfo>
listPrefix(java.lang.String prefix)
Return an iterable of all files under a prefix.-
Methods inherited from interface org.apache.iceberg.io.FileIO
close, deleteFile, deleteFile, deleteFile, initialize, newInputFile, newInputFile, newOutputFile, properties
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Method Detail
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listPrefix
java.lang.Iterable<FileInfo> listPrefix(java.lang.String prefix)
Return an iterable of all files under a prefix.Hierarchical file systems (e.g. HDFS) may impose additional restrictions like the prefix must fully match a directory whereas key/value object stores may allow for arbitrary prefixes.
- Parameters:
prefix
- prefix to list- Returns:
- iterable of file information
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deletePrefix
void deletePrefix(java.lang.String prefix)
Delete all files under a prefix.Hierarchical file systems (e.g. HDFS) may impose additional restrictions like the prefix must fully match a directory whereas key/value object stores may allow for arbitrary prefixes.
- Parameters:
prefix
- prefix to delete
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