Package org.apache.hadoop.yarn.server.resourcemanager.nodelabels

Class FileSystemNodeAttributeStore

java.lang.Object

org.apache.hadoop.yarn.nodelabels.store.AbstractFSNodeStore<org.apache.hadoop.yarn.nodelabels.NodeAttributesManager>

org.apache.hadoop.yarn.server.resourcemanager.nodelabels.FileSystemNodeAttributeStore

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.yarn.nodelabels.NodeAttributeStore

public class FileSystemNodeAttributeStore
extends org.apache.hadoop.yarn.nodelabels.store.AbstractFSNodeStore<org.apache.hadoop.yarn.nodelabels.NodeAttributesManager>
implements org.apache.hadoop.yarn.nodelabels.NodeAttributeStore

File system node attribute implementation.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.yarn.nodelabels.store.AbstractFSNodeStore

org.apache.hadoop.yarn.nodelabels.store.AbstractFSNodeStore.StoreSchema

Field Summary

Fields

Modifier and Type	Field	Description
protected static java.lang.String	DEFAULT_DIR_NAME
protected static java.lang.String	EDITLOG_FILENAME
protected static org.slf4j.Logger	LOG
protected static java.lang.String	MIRROR_FILENAME

Fields inherited from class org.apache.hadoop.yarn.nodelabels.store.AbstractFSNodeStore

fs, fsWorkingPath, manager

Constructor Summary

Constructors

Constructor	Description
FileSystemNodeAttributeStore()

Method Summary

Modifier and Type	Method	Description
void	addNodeAttributes(java.util.List<org.apache.hadoop.yarn.server.api.protocolrecords.NodeToAttributes> nodeAttributeMapping)
void	close()
void	init(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.yarn.nodelabels.NodeAttributesManager mgr)
void	recover()
void	removeNodeAttributes(java.util.List<org.apache.hadoop.yarn.server.api.protocolrecords.NodeToAttributes> nodeAttributeMapping)
void	replaceNodeAttributes(java.util.List<org.apache.hadoop.yarn.server.api.protocolrecords.NodeToAttributes> nodeToAttribute)

Methods inherited from class org.apache.hadoop.yarn.nodelabels.store.AbstractFSNodeStore

closeFSStore, ensureAppendEditLogFile, ensureCloseEditlogFile, getFs, getFsWorkingPath, getStoreType, initFileSystem, initStore, loadFromMirror, loadManagerFromEditLog, recoverFromStore, setFs, writeToLog

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final org.slf4j.Logger LOG

DEFAULT_DIR_NAME

protected static final java.lang.String DEFAULT_DIR_NAME

See Also:

Constant Field Values

MIRROR_FILENAME

protected static final java.lang.String MIRROR_FILENAME

See Also:

Constant Field Values

EDITLOG_FILENAME

protected static final java.lang.String EDITLOG_FILENAME

See Also:

Constant Field Values

Constructor Detail

FileSystemNodeAttributeStore

public FileSystemNodeAttributeStore()

Method Detail

init

public void init(org.apache.hadoop.conf.Configuration conf,
                 org.apache.hadoop.yarn.nodelabels.NodeAttributesManager mgr)
          throws java.lang.Exception

Specified by:

init in interface org.apache.hadoop.yarn.nodelabels.NodeAttributeStore

Throws:

java.lang.Exception

replaceNodeAttributes

public void replaceNodeAttributes(java.util.List<org.apache.hadoop.yarn.server.api.protocolrecords.NodeToAttributes> nodeToAttribute)
                           throws java.io.IOException

Specified by:

replaceNodeAttributes in interface org.apache.hadoop.yarn.nodelabels.NodeAttributeStore

Throws:

java.io.IOException

addNodeAttributes

public void addNodeAttributes(java.util.List<org.apache.hadoop.yarn.server.api.protocolrecords.NodeToAttributes> nodeAttributeMapping)
                       throws java.io.IOException

Specified by:

addNodeAttributes in interface org.apache.hadoop.yarn.nodelabels.NodeAttributeStore

Throws:

java.io.IOException

removeNodeAttributes

public void removeNodeAttributes(java.util.List<org.apache.hadoop.yarn.server.api.protocolrecords.NodeToAttributes> nodeAttributeMapping)
                          throws java.io.IOException

Specified by:

removeNodeAttributes in interface org.apache.hadoop.yarn.nodelabels.NodeAttributeStore

Throws:

java.io.IOException

recover

public void recover()
             throws java.io.IOException,
                    org.apache.hadoop.yarn.exceptions.YarnException

Specified by:

recover in interface org.apache.hadoop.yarn.nodelabels.NodeAttributeStore

Throws:

java.io.IOException

org.apache.hadoop.yarn.exceptions.YarnException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException