类 org.apache.hadoop.tools.distcp2.DistCpOptions
的使用

使用DistCpOptions的程序包

程序包	说明
org.apache.hadoop.tools.distcp2
org.apache.hadoop.tools.distcp2.util

org.apache.hadoop.tools.distcp2中DistCpOptions的使用

返回DistCpOptions的org.apache.hadoop.tools.distcp2中的方法

限定符和类型	方法和说明
protected DistCpOptions	DistCpOptions.clone()
static DistCpOptions	OptionsParser.parse(String[] args) The parse method parses the command-line options, and creates a corresponding Options object.

参数类型为DistCpOptions的org.apache.hadoop.tools.distcp2中的方法

限定符和类型	方法和说明
void	CopyListing.buildListing(Path pathToListFile, DistCpOptions options) Build listing function creates the input listing that distcp uses to perform the copy.
void	SimpleCopyListing.doBuildListing(Path pathToListingFile, DistCpOptions options) The interface to be implemented by sub-classes, to create the source/target file listing.
void	GlobbedCopyListing.doBuildListing(Path pathToListingFile, DistCpOptions options) Implementation of CopyListing::buildListing().
void	FileBasedCopyListing.doBuildListing(Path pathToListFile, DistCpOptions options) Implementation of CopyListing::buildListing().
protected abstract void	CopyListing.doBuildListing(Path pathToListFile, DistCpOptions options) The interface to be implemented by sub-classes, to create the source/target file listing.
static CopyListing	CopyListing.getCopyListing(Configuration configuration, Credentials credentials, DistCpOptions options) Public Factory method with which the appropriate CopyListing implementation may be retrieved.
protected boolean	SimpleCopyListing.shouldCopy(Path path, DistCpOptions options) Provide an option to skip copy of a path, Allows for exclusion of files such as FileOutputCommitter.SUCCEEDED_FILE_NAME
protected void	SimpleCopyListing.validatePaths(DistCpOptions options)
protected void	GlobbedCopyListing.validatePaths(DistCpOptions options) Validate input and output paths
protected void	FileBasedCopyListing.validatePaths(DistCpOptions options) Validate input and output paths
protected abstract void	CopyListing.validatePaths(DistCpOptions options) Validate input and output paths

参数类型为DistCpOptions的org.apache.hadoop.tools.distcp2中的构造器

构造器和说明
DistCp(Configuration configuration, DistCpOptions inputOptions) Public Constructor.
DistCpOptions(DistCpOptions that) Copy constructor.

org.apache.hadoop.tools.distcp2.util中DistCpOptions的使用

参数类型为DistCpOptions的org.apache.hadoop.tools.distcp2.util中的方法

限定符和类型	方法和说明
static Class<? extends InputFormat>	DistCpUtils.getStrategy(Configuration conf, DistCpOptions options) Returns the class that implements a copy strategy.