GlobalXactId (Apache Derby V10.14 Internals)

java.lang.Object
- org.apache.derby.iapi.store.access.GlobalXact
- - org.apache.derby.impl.store.raw.xact.GlobalXactId

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, Formatable, TypedFormat, GlobalTransactionId
```
public class GlobalXactId
extends GlobalXact
implements GlobalTransactionId
```
See Also:

Serialized Form

Field Summary
- Fields inherited from class org.apache.derby.iapi.store.access.GlobalXact
  branch_id, format_id, global_id

Constructor Summary

Constructors
Constructor	Description
`GlobalXactId()`	Public Methods of Formatable interface:
`GlobalXactId(int format_id, byte[] global_id, byte[] branch_id)`	Constructors for This class:

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) byte[]`	`getBranchQualifier()`	Obtain the transaction branch qualifier as an array of bytes.
`(package private) int`	`getFormat_Id()`	Obtain the format id part of the GlobalTransactionId.
`(package private) byte[]`	`getGlobalTransactionId()`	Obtain the global transaction identifier as an array of bytes.
`int`	`getTypeFormatId()`	Return my format identifier.
`void`	`readExternal(java.io.ObjectInput in)`	Read this in
`void`	`writeExternal(java.io.ObjectOutput out)`	Write this out.

Methods inherited from class org.apache.derby.iapi.store.access.GlobalXact
equals, hashCode, toString

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

- Constructor Detail
  - GlobalXactId
```
GlobalXactId(int format_id,
             byte[] global_id,
             byte[] branch_id)
```
    Constructors for This class:
  - GlobalXactId
```
public GlobalXactId()
```
    Public Methods of Formatable interface:
- Method Detail
  - writeExternal
```
public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException
```
    Write this out.
    
    Specified by:
    
    writeExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException - error writing to log stream
  - readExternal
```
public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException
```
    Read this in
    
    Specified by:
    
    readExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException - error reading from log stream
    
    java.lang.ClassNotFoundException - log stream corrupted
  - getTypeFormatId
```
public int getTypeFormatId()
```
    Return my format identifier.
    
    Specified by:
    
    getTypeFormatId in interface TypedFormat
    
    Returns:
    
    The identifier. (A UUID stuffed in an array of 16 bytes).
  - getFormat_Id
```
int getFormat_Id()
```
    Obtain the format id part of the GlobalTransactionId.
    
    Returns:
    
    format identifier, 0 means the OSI CCR format
  - getGlobalTransactionId
```
byte[] getGlobalTransactionId()
```
    Obtain the global transaction identifier as an array of bytes.
    
    Returns:
    
    a byte array containing the global transaction identifier
  - getBranchQualifier
```
byte[] getBranchQualifier()
```
    Obtain the transaction branch qualifier as an array of bytes.
    
    Returns:
    
    a byte array containing the branch qualifier of the transaction

Class GlobalXactId

Field Summary

Fields inherited from class org.apache.derby.iapi.store.access.GlobalXact

Constructor Summary

Method Summary

Methods inherited from class org.apache.derby.iapi.store.access.GlobalXact

Methods inherited from class java.lang.Object

Constructor Detail

GlobalXactId

GlobalXactId

Method Detail

writeExternal

readExternal

getTypeFormatId

getFormat_Id

getGlobalTransactionId

getBranchQualifier