public class RollingFileNamingStrategy extends AbstractFileNamingStrategy
FileNamingStrategy which simply uses a rolling counter to give unique file name.| Constructor and Description |
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RollingFileNamingStrategy() |
| Modifier and Type | Method and Description |
|---|---|
RollingFileNamingStrategy |
createInstance()
Creates a new instance of
FileNamingStrategy. |
org.apache.hadoop.fs.Path |
init(org.apache.hadoop.fs.Path path)
Initialises a starting state of a strategy.
|
void |
next()
This method should be called to prepare next filename in case
strategy doesn't know how to do it automatically.
|
void |
reset()
Resets the strategy to its original state.
|
org.apache.hadoop.fs.Path |
resolve(org.apache.hadoop.fs.Path path)
Resolve a current file path denoted by this strategy.
|
void |
setPrefix(java.lang.String prefix)
Sets the prefix preceding rolling number part.
|
getCodecInfo, getOrder, isEnabled, setCodecInfo, setEnabled, setOrderpublic org.apache.hadoop.fs.Path resolve(org.apache.hadoop.fs.Path path)
FileNamingStrategypublic void next()
FileNamingStrategypublic void reset()
FileNamingStrategyreset in interface FileNamingStrategyreset in class AbstractFileNamingStrategypublic org.apache.hadoop.fs.Path init(org.apache.hadoop.fs.Path path)
FileNamingStrategyPath and
remove its own handled part if possible. Returned Path
is then passed into next strategy for it to able to
do its own initialisation logic.
Path passed to this method may be null indicating
that no further processing should be done or simply we don't
have information about the initialised path.
init in interface FileNamingStrategyinit in class AbstractFileNamingStrategypath - the pathpublic void setPrefix(java.lang.String prefix)
prefix - the new prefixpublic RollingFileNamingStrategy createInstance()
FileNamingStrategyFactoryFileNamingStrategy.createInstance in interface FileNamingStrategyFactory<FileNamingStrategy>createInstance in class AbstractFileNamingStrategy