org.gridgain.grid.kernal.ggfs.hadoop

Class GridGgfsHadoopUtils

java.lang.Object

org.gridgain.grid.kernal.ggfs.hadoop.GridGgfsHadoopUtils

public class GridGgfsHadoopUtils
extends Object

Utility constants and methods for GGFS Hadoop file system.

Field Summary

Fields

Modifier and Type	Field and Description
static String	PARAM_GGFS_ENDPOINT_NO_EMBED Parameter name for endpoint no embed mode flag.
static String	PARAM_GGFS_ENDPOINT_NO_LOCAL_SHMEM Parameter name for endpoint no shared memory flag.
static String	PARAM_GGFS_ENDPOINT_NO_LOCAL_TCP Parameter name for endpoint no local TCP flag.

Method Summary

Methods

Modifier and Type	Method and Description
static IOException	cast(org.gridgain.grid.GridException e) Cast GG exception to appropriate IO exception.
static IOException	cast(org.gridgain.grid.GridException e, String path) Cast GG exception to appropriate IO exception.
static org.gridgain.grid.ggfs.GridGgfsException	cast(IOException e) Cast IO exception to GGFS exception.
static boolean	parameter(org.apache.hadoop.conf.Configuration cfg, String name, String authority, boolean dflt) Get boolean parameter.
static int	parameter(org.apache.hadoop.conf.Configuration cfg, String name, String authority, int dflt) Get integer parameter.
static String	parameter(org.apache.hadoop.conf.Configuration cfg, String name, String authority, String dflt) Get string parameter.

Methods inherited from class java.lang.Object

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

Field Detail

PARAM_GGFS_ENDPOINT_NO_EMBED

public static final String PARAM_GGFS_ENDPOINT_NO_EMBED

Parameter name for endpoint no embed mode flag.

See Also:

Constant Field Values

PARAM_GGFS_ENDPOINT_NO_LOCAL_SHMEM

public static final String PARAM_GGFS_ENDPOINT_NO_LOCAL_SHMEM

Parameter name for endpoint no shared memory flag.

See Also:

Constant Field Values

PARAM_GGFS_ENDPOINT_NO_LOCAL_TCP

public static final String PARAM_GGFS_ENDPOINT_NO_LOCAL_TCP

Parameter name for endpoint no local TCP flag.

See Also:

Constant Field Values

Method Detail

parameter

public static String parameter(org.apache.hadoop.conf.Configuration cfg,
               String name,
               String authority,
               String dflt)

Get string parameter.

Parameters:

cfg - Configuration.

name - Parameter name.

authority - Authority.

dflt - Default value.

Returns:

String value.

parameter

public static int parameter(org.apache.hadoop.conf.Configuration cfg,
            String name,
            String authority,
            int dflt)
                     throws IOException

Get integer parameter.

Parameters:

cfg - Configuration.

name - Parameter name.

authority - Authority.

dflt - Default value.

Returns:

Integer value.

Throws:

IOException - In case of parse exception.

parameter

public static boolean parameter(org.apache.hadoop.conf.Configuration cfg,
                String name,
                String authority,
                boolean dflt)

Get boolean parameter.

Parameters:

cfg - Configuration.

name - Parameter name.

authority - Authority.

dflt - Default value.

Returns:

Boolean value.

cast

public static IOException cast(org.gridgain.grid.GridException e)

Cast GG exception to appropriate IO exception.

Parameters:

e - Exception to cast.

Returns:

Casted exception.

cast

public static IOException cast(org.gridgain.grid.GridException e,
               @Nullable
               String path)

Cast GG exception to appropriate IO exception.

Parameters:

e - Exception to cast.

path - Path for exceptions.

Returns:

Casted exception.

cast

public static org.gridgain.grid.ggfs.GridGgfsException cast(IOException e)

Cast IO exception to GGFS exception.

Parameters:

e - IO exception.

Returns:

GGFS exception.