org.cripac.isee.vpe.ctrl

Class ConfManager

java.lang.Object

org.cripac.isee.vpe.ctrl.ConfManager

public class ConfManager
extends java.lang.Object

The class ConfManager manages configuration files other than several preset ones to be uploaded to Spark. Note that it is only usable before the system is submitted to YARN.

Created by ken.yu on 16-10-8.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CONF_DIR

Method Summary

Modifier and Type	Method and Description
static java.util.List<FileDescriptor>	getCfgFileList(java.lang.String... path) Get a list of all the configuration files registered under the path.
static java.lang.String	getConcatCfgFilePathList(java.lang.String connector, java.lang.String... path) Get a concatenated string list of paths of temporary configuration files.

Methods inherited from class java.lang.Object

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

Field Detail

CONF_DIR

public static final java.lang.String CONF_DIR

See Also:

Constant Field Values

Method Detail

getCfgFileList

public static java.util.List<FileDescriptor> getCfgFileList(@Nonnull
                                                            java.lang.String... path)

Get a list of all the configuration files registered under the path.

Parameters:

path - A length-variable array of names of hierarchies.

Returns:

A list of descriptors of all the configuration files.

getConcatCfgFilePathList

public static java.lang.String getConcatCfgFilePathList(@Nonnull
                                                        java.lang.String connector,
                                                        @Nonnull
                                                        java.lang.String... path)
                                                 throws java.io.IOException

Get a concatenated string list of paths of temporary configuration files. The temporary configuration files are copied from those in this project, and stored in the temporary directory. On the first call of this method, the ConfigManager will automatically prepare the temporary files. The files are automatically deleted on the exit of JVM.

Returns:

A string of concatenated paths.

Throws:

java.io.IOException - On error preparing temporary configuration files.