org.apache.hadoop.yarn.api.records

Class LocalResource

java.lang.Object

org.apache.hadoop.yarn.api.records.LocalResource

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract class LocalResource
extends Object

LocalResource represents a local resource required to run a container.

The NodeManager is responsible for localizing the resource prior to launching the container.

Applications can specify LocalResourceType and LocalResourceVisibility.

See Also:

LocalResourceType, LocalResourceVisibility, ContainerLaunchContext, ApplicationSubmissionContext, ContainerManagementProtocol.startContainers(org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest)

Constructor Summary

Constructors

Constructor and Description
LocalResource()

Method Summary

Modifier and Type	Method and Description
abstract String	getPattern() Get the pattern that should be used to extract entries from the archive (only used when type is PATTERN).
abstract URL	getResource() Get the location of the resource to be localized.
abstract boolean	getShouldBeUploadedToSharedCache() NM uses it to decide whether if it is necessary to upload the resource to the shared cache
abstract long	getSize() Get the size of the resource to be localized.
abstract long	getTimestamp() Get the original timestamp of the resource to be localized, used for verification.
abstract LocalResourceType	getType() Get the LocalResourceType of the resource to be localized.
abstract LocalResourceVisibility	getVisibility() Get the LocalResourceVisibility of the resource to be localized.
static LocalResource	newInstance(URL url, LocalResourceType type, LocalResourceVisibility visibility, long size, long timestamp)
static LocalResource	newInstance(URL url, LocalResourceType type, LocalResourceVisibility visibility, long size, long timestamp, boolean shouldBeUploadedToSharedCache)
static LocalResource	newInstance(URL url, LocalResourceType type, LocalResourceVisibility visibility, long size, long timestamp, String pattern)
static LocalResource	newInstance(URL url, LocalResourceType type, LocalResourceVisibility visibility, long size, long timestamp, String pattern, boolean shouldBeUploadedToSharedCache)
abstract void	setPattern(String pattern) Set the pattern that should be used to extract entries from the archive (only used when type is PATTERN).
abstract void	setResource(URL resource) Set location of the resource to be localized.
abstract void	setShouldBeUploadedToSharedCache(boolean shouldBeUploadedToSharedCache) Inform NM whether upload to SCM is needed.
abstract void	setSize(long size) Set the size of the resource to be localized.
abstract void	setTimestamp(long timestamp) Set the timestamp of the resource to be localized, used for verification.
abstract void	setType(LocalResourceType type) Set the LocalResourceType of the resource to be localized.
abstract void	setVisibility(LocalResourceVisibility visibility) Set the LocalResourceVisibility of the resource to be localized.

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalResource

public LocalResource()

Method Detail

newInstance

@InterfaceAudience.Public
 @InterfaceStability.Stable
public static LocalResource newInstance(URL url,
                                                                                              LocalResourceType type,
                                                                                              LocalResourceVisibility visibility,
                                                                                              long size,
                                                                                              long timestamp,
                                                                                              String pattern)

newInstance

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public static LocalResource newInstance(URL url,
                                                                                                LocalResourceType type,
                                                                                                LocalResourceVisibility visibility,
                                                                                                long size,
                                                                                                long timestamp,
                                                                                                String pattern,
                                                                                                boolean shouldBeUploadedToSharedCache)

newInstance

@InterfaceAudience.Public
 @InterfaceStability.Stable
public static LocalResource newInstance(URL url,
                                                                                              LocalResourceType type,
                                                                                              LocalResourceVisibility visibility,
                                                                                              long size,
                                                                                              long timestamp)

newInstance

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public static LocalResource newInstance(URL url,
                                                                                                LocalResourceType type,
                                                                                                LocalResourceVisibility visibility,
                                                                                                long size,
                                                                                                long timestamp,
                                                                                                boolean shouldBeUploadedToSharedCache)

getResource

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract URL getResource()

Get the location of the resource to be localized.

Returns:

location of the resource to be localized

setResource

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract void setResource(URL resource)

Set location of the resource to be localized.

Parameters:

resource - location of the resource to be localized

getSize

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract long getSize()

Get the size of the resource to be localized.

Returns:

size of the resource to be localized

setSize

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract void setSize(long size)

Set the size of the resource to be localized.

Parameters:

size - size of the resource to be localized

getTimestamp

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract long getTimestamp()

Get the original timestamp of the resource to be localized, used for verification.

Returns:

timestamp of the resource to be localized

setTimestamp

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract void setTimestamp(long timestamp)

Set the timestamp of the resource to be localized, used for verification.

Parameters:

timestamp - timestamp of the resource to be localized

getType

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract LocalResourceType getType()

Get the LocalResourceType of the resource to be localized.

Returns:

LocalResourceType of the resource to be localized

setType

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract void setType(LocalResourceType type)

Set the LocalResourceType of the resource to be localized.

Parameters:

type - LocalResourceType of the resource to be localized

getVisibility

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract LocalResourceVisibility getVisibility()

Get the LocalResourceVisibility of the resource to be localized.

Returns:

LocalResourceVisibility of the resource to be localized

setVisibility

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract void setVisibility(LocalResourceVisibility visibility)

Set the LocalResourceVisibility of the resource to be localized.

Parameters:

visibility - LocalResourceVisibility of the resource to be localized

getPattern

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract String getPattern()

Get the pattern that should be used to extract entries from the archive (only used when type is PATTERN).

Returns:

pattern that should be used to extract entries from the archive.

setPattern

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract void setPattern(String pattern)

Set the pattern that should be used to extract entries from the archive (only used when type is PATTERN).

Parameters:

pattern - pattern that should be used to extract entries from the archive.

getShouldBeUploadedToSharedCache

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public abstract boolean getShouldBeUploadedToSharedCache()

NM uses it to decide whether if it is necessary to upload the resource to the shared cache

Returns:

true if it is necessary to upload the resource to the shared cache, false otherwise

setShouldBeUploadedToSharedCache

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public abstract void setShouldBeUploadedToSharedCache(boolean shouldBeUploadedToSharedCache)

Inform NM whether upload to SCM is needed.

Parameters:

shouldBeUploadedToSharedCache - shouldBeUploadedToSharedCache of this request