Class RFile
- java.lang.Object
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- org.apache.accumulo.core.client.rfile.RFile
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public class RFile extends Object
RFile is Accumulo's internal storage format for Key Value pairs. This class is a Factory that enables creating aScanner
for reading and aRFileWriter
for writing Rfiles.The
Scanner
created by this class makes it easy to experiment with real data from a live system on a developers workstation. Also theScanner
can be used to write tools to analyze Accumulo's raw data.- Since:
- 1.8.0
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Nested Class Summary
Nested Classes Modifier and Type Class Description static interface
RFile.InputArguments
This is an intermediate interface in a larger builder pattern.static interface
RFile.OutputArguments
This is an intermediate interface in a larger builder pattern.static interface
RFile.ScannerFSOptions
This is an intermediate interface in a larger builder pattern.static interface
RFile.ScannerOptions
This is an intermediate interface in a larger builder pattern.static interface
RFile.SummaryFSOptions
This is an intermediate interface in a larger builder pattern.static interface
RFile.SummaryInputArguments
This is an intermediate interface in a larger builder pattern.static interface
RFile.SummaryOptions
This is an intermediate interface in a large builder pattern.static interface
RFile.WriterFSOptions
This is an intermediate interface in a larger builder pattern.static interface
RFile.WriterOptions
This is an intermediate interface in a larger builder pattern.
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Constructor Summary
Constructors Constructor Description RFile()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static RFile.InputArguments
newScanner()
Entry point for building a newScanner
over one or more RFiles.static RFile.OutputArguments
newWriter()
Entry point for creating a new RFile writer.static RFile.SummaryInputArguments
summaries()
Entry point for reading summary data from RFiles.
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Method Detail
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newScanner
public static RFile.InputArguments newScanner()
Entry point for building a newScanner
over one or more RFiles.
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summaries
public static RFile.SummaryInputArguments summaries()
Entry point for reading summary data from RFiles.- Since:
- 2.0.0
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newWriter
public static RFile.OutputArguments newWriter()
Entry point for creating a new RFile writer.
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