OperationId (Alluxio Core - Common Utilities 294 API)

java.lang.Object
- alluxio.collections.Pair<java.lang.Long,java.lang.Long>
- - alluxio.wire.OperationId

public class OperationId
extends Pair<java.lang.Long,java.lang.Long>

Used as an unique ID wrapper.

Constructor Summary

Constructors
Constructor	Description
`OperationId(java.lang.Long leastSignificant, java.lang.Long mostSignificant)`	Constructs and initializes a 128 bit OperationId.
`OperationId(java.util.UUID guid)`	Constructs and initializes a 128 bit OperationId from an UUID.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static OperationId`	`fromFsProto(alluxio.grpc.FsOpPId opId)`	Creates FsOpId from proto.
`static OperationId`	`fromJournalProto(alluxio.proto.journal.Journal.JournalOpPId opId)`	Creates FsOpId from proto.
`alluxio.grpc.FsOpPId`	`toFsProto()`
`alluxio.proto.journal.Journal.JournalOpPId`	`toJournalProto()`

Methods inherited from class alluxio.collections.Pair
equals, getFirst, getSecond, hashCode, setFirst, setSecond, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - OperationId
```
public OperationId(java.lang.Long leastSignificant,
                   java.lang.Long mostSignificant)
```
    Constructs and initializes a 128 bit OperationId.
    
    Parameters:
    
    leastSignificant - the least significant bits
    
    mostSignificant - the most significant bits
  - OperationId
```
public OperationId(java.util.UUID guid)
```
    Constructs and initializes a 128 bit OperationId from an UUID.
    
    Parameters:
    
    guid - the guid
- Method Detail
  - toFsProto
```
public alluxio.grpc.FsOpPId toFsProto()
```
    Returns:
    
    proto representation of fs operation id
  - toJournalProto
```
public alluxio.proto.journal.Journal.JournalOpPId toJournalProto()
```
    Returns:
    
    proto representation of fs operation id
  - fromFsProto
```
public static OperationId fromFsProto(alluxio.grpc.FsOpPId opId)
```
    Creates FsOpId from proto.
    
    Parameters:
    
    opId - proto op id
    
    Returns:
    
    wire fs op id
  - fromJournalProto
```
public static OperationId fromJournalProto(alluxio.proto.journal.Journal.JournalOpPId opId)
```
    Creates FsOpId from proto.
    
    Parameters:
    
    opId - proto op id
    
    Returns:
    
    wire fs op id