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XidImpl (JBoss Transaction API) - JBoss 4.0.1 sp1 transaction API Documentation 英文版文档

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org.jboss.tm
Class XidImpl

java.lang.Object
  org.jboss.tm.XidImpl

All Implemented Interfaces:

Serializable, Xid

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public class XidImpl

extends Object

implements Xid, Serializable

This object encapsulates the ID of a transaction. This implementation is immutable and always serializable at runtime.

Version:

$Revision: 1.6 $

Author:

Rickard 锟絙erg, Ole Husgaard, Francisco Reverbel

See Also:

TransactionImpl, Serialized Form

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Field Summary
static int	JBOSS_FORMAT_ID

 

Fields inherited from interface javax.transaction.xa.Xid

MAXBQUALSIZE, MAXGTRIDSIZE

 

Constructor Summary

XidImpl(int formatId, byte[] globalId, byte[] branchId, int hash, long localId)           Create a new instance.

XidImpl(XidImpl xidImpl, byte[] branchId)           Create a new branch of an existing global transaction ID.

 

Method Summary
boolean	equals(Object obj)           Compare for equality.
byte[]	getBranchQualifier()           Return the branch qualifier of this transaction.
int	getFormatId()           Return the format identifier of this transaction.
byte[]	getGlobalTransactionId()           Return the global transaction id of this transaction.
LocalId	getLocalId()           Return a LocalId instance that identifies this transaction within the JBoss server.
long	getLocalIdValue()           Return the local id that identifies this transaction within the JBoss server.
GlobalId	getTrulyGlobalId()           Return a GlobalId instance that identifies this transaction in a distributed environment.
static boolean	getTrulyGlobalIdsEnabled()           Getter for class variable trulyGlobalIdsEnabled.
int	hashCode()
boolean	sameTransaction(XidImpl other)           Compare for same transaction.
static void	setTrulyGlobalIdsEnabled(boolean newValue)           Setter for class variable trulyGlobalIdsEnabled.
String	toString()

 

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Field Detail

JBOSS_FORMAT_ID

public static final int JBOSS_FORMAT_ID

See Also:

Constant Field Values

Constructor Detail

XidImpl

public XidImpl(int formatId,
               byte[] globalId,
               byte[] branchId,
               int hash,
               long localId)

Create a new instance.

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XidImpl

public XidImpl(XidImpl xidImpl,
               byte[] branchId)

Create a new branch of an existing global transaction ID.

Parameters:

xidImpl - The transaction ID to create a new branch of.

branchId - The ID of the new branch.

Method Detail

setTrulyGlobalIdsEnabled

public static void setTrulyGlobalIdsEnabled(boolean newValue)

Setter for class variable trulyGlobalIdsEnabled.

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getTrulyGlobalIdsEnabled

public static boolean getTrulyGlobalIdsEnabled()

Getter for class variable trulyGlobalIdsEnabled.

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getGlobalTransactionId

public byte[] getGlobalTransactionId()

Return the global transaction id of this transaction.

Specified by:

getGlobalTransactionId in interface Xid

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getBranchQualifier

public byte[] getBranchQualifier()

Return the branch qualifier of this transaction.

Specified by:

getBranchQualifier in interface Xid

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getFormatId

public int getFormatId()

Return the format identifier of this transaction. The format identifier augments the global id and specifies how the global id and branch qualifier should be interpreted.

Specified by:

getFormatId in interface Xid

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equals

public boolean equals(Object obj)

Compare for equality. Instances are considered equal if they are both instances of XidImpl, and if they have the same format id, the same global transaction id and the same transaction branch qualifier.

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hashCode

public int hashCode()

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toString

public String toString()

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getLocalIdValue

public long getLocalIdValue()

Return the local id that identifies this transaction within the JBoss server.

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getLocalId

public LocalId getLocalId()

Return a LocalId instance that identifies this transaction within the JBoss server.

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getTrulyGlobalId

public GlobalId getTrulyGlobalId()

Return a GlobalId instance that identifies this transaction in a distributed environment.

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sameTransaction

public boolean sameTransaction(XidImpl other)

Compare for same transaction. Instances represent the same transaction if they have the same format id and global transaction id.

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