Package org.apache.hadoop.yarn.nodelabels.store.op

Class NodeToLabelOp

java.lang.Object

org.apache.hadoop.yarn.nodelabels.store.op.FSNodeStoreLogOp<CommonNodeLabelsManager>

org.apache.hadoop.yarn.nodelabels.store.op.NodeToLabelOp

All Implemented Interfaces:

StoreOp<OutputStream,InputStream,CommonNodeLabelsManager>

public class NodeToLabelOp
extends FSNodeStoreLogOp<CommonNodeLabelsManager>

Node to label mapping store operation for label.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	OPCODE

Constructor Summary

Constructors

Constructor	Description
NodeToLabelOp()

Method Summary

Modifier and Type	Method	Description
Map<org.apache.hadoop.yarn.api.records.NodeId,Set<String>>	getNodeToLabels()
int	getOpCode()
void	recover(InputStream is, CommonNodeLabelsManager mgr)	Read and populate StoreOp.
NodeToLabelOp	setNodeToLabels(Map<org.apache.hadoop.yarn.api.records.NodeId,Set<String>> nodeToLabelsList)
void	write(OutputStream os, CommonNodeLabelsManager mgr)	Write operation to persistent storage.

Methods inherited from class org.apache.hadoop.yarn.nodelabels.store.op.FSNodeStoreLogOp

getNodeToAttributesMap

Methods inherited from class java.lang.Object

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

Field Details

OPCODE

public static final int OPCODE

See Also:

• Constant Field Values

Constructor Details

NodeToLabelOp

public NodeToLabelOp()

Method Details

write

public void write(OutputStream os,
 CommonNodeLabelsManager mgr)
           throws IOException

Description copied from interface: StoreOp

Write operation to persistent storage.

Parameters:

os - write to be done to

mgr - manager used by store

Throws:

IOException - io error occur.

recover

public void recover(InputStream is,
 CommonNodeLabelsManager mgr)
             throws IOException

Description copied from interface: StoreOp

Read and populate StoreOp.

Parameters:

is - read to be done from

mgr - manager used by store

Throws:

IOException - io error occur.

setNodeToLabels

public NodeToLabelOp setNodeToLabels(Map<org.apache.hadoop.yarn.api.records.NodeId,Set<String>> nodeToLabelsList)

getNodeToLabels

public Map<org.apache.hadoop.yarn.api.records.NodeId,Set<String>> getNodeToLabels()

getOpCode

public int getOpCode()

Specified by:

getOpCode in class FSNodeStoreLogOp<CommonNodeLabelsManager>