Package org.apache.accumulo.core.file

Class FileOperations.FileReaderOperation<SubclassType extends FileOperations.FileReaderOperation<SubclassType>>

java.lang.Object

org.apache.accumulo.core.file.FileOperations.FileAccessOperation<SubclassType>

org.apache.accumulo.core.file.FileOperations.FileIOOperation<SubclassType>

org.apache.accumulo.core.file.FileOperations.FileReaderOperation<SubclassType>

Direct Known Subclasses:

FileOperations.OpenIndexOperation, FileOperations.OpenReaderOperation, FileOperations.OpenScanReaderOperation

Enclosing class:

FileOperations

protected static class FileOperations.FileReaderOperation<SubclassType extends FileOperations.FileReaderOperation<SubclassType>>
extends FileOperations.FileIOOperation<SubclassType>

Options common to all FileOperations which perform reads.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	FileReaderOperation()

Method Summary

Modifier and Type	Method	Description
BlockCache	getDataCache()
com.google.common.cache.Cache<String,Long>	getFileLenCache()
BlockCache	getIndexCache()
SubclassType	withBlockCache(BlockCache dataCache, BlockCache indexCache)	(Optional) Set the block cache pair to be used to optimize reads within the constructed reader.
SubclassType	withDataCache(BlockCache dataCache)	(Optional) set the data cache to be used to optimize reads within the constructed reader.
SubclassType	withFileLenCache(com.google.common.cache.Cache<String,Long> fileLenCache)
SubclassType	withIndexCache(BlockCache indexCache)	(Optional) set the index cache to be used to optimize reads within the constructed reader.

Methods inherited from class org.apache.accumulo.core.file.FileOperations.FileIOOperation

getRateLimiter, withRateLimiter

Methods inherited from class org.apache.accumulo.core.file.FileOperations.FileAccessOperation

forFile, forFile, getConfiguration, getFilename, getFileSystem, getTableConfiguration, inFileSystem, setConfiguration, setFilename, validate, withTableConfiguration

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileReaderOperation

protected FileReaderOperation()

Method Detail

withBlockCache

public SubclassType withBlockCache(BlockCache dataCache,
                                   BlockCache indexCache)

(Optional) Set the block cache pair to be used to optimize reads within the constructed reader.

withDataCache

public SubclassType withDataCache(BlockCache dataCache)

(Optional) set the data cache to be used to optimize reads within the constructed reader.

withIndexCache

public SubclassType withIndexCache(BlockCache indexCache)

(Optional) set the index cache to be used to optimize reads within the constructed reader.

withFileLenCache

public SubclassType withFileLenCache(com.google.common.cache.Cache<String,Long> fileLenCache)

getDataCache

public BlockCache getDataCache()

getIndexCache

public BlockCache getIndexCache()

getFileLenCache

public com.google.common.cache.Cache<String,Long> getFileLenCache()