com.bigdata.ha

Class CommitResponse

java.lang.Object

com.bigdata.ha.CommitResponse

public class CommitResponse
extends Object

Response for a 2-phase commit.

Author:

Bryan Thompson

Constructor Summary

Constructors

Constructor and Description
CommitResponse(CommitRequest req, ArrayList<Throwable> causes)

Method Summary

Methods

Modifier and Type	Method and Description
Throwable	getCause(int i) Return the root cause for the ith service -or- null if the COMMIT did not produce an exception for that service.
int	getNFail() Number of COMMIT messages that were generated and failed.
int	getNOk() Number of COMMIT messages that were generated and succeeded.
boolean	isLeaderOk()
void	throwCauses() Throw out the exception(s).

Methods inherited from class java.lang.Object

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

Constructor Detail

CommitResponse

public CommitResponse(CommitRequest req,
              ArrayList<Throwable> causes)

Method Detail

isLeaderOk

public boolean isLeaderOk()

getNOk

public int getNOk()

Number of COMMIT messages that were generated and succeeded.

getNFail

public int getNFail()

Number of COMMIT messages that were generated and failed.

getCause

public Throwable getCause(int i)

Return the root cause for the ith service -or- null if the COMMIT did not produce an exception for that service.

throwCauses

public void throwCauses()
                 throws Exception

Throw out the exception(s).

Note: This method is guaranteed to not return normally!

Throws:

Exception - if one or more services that voted YES failed the COMMIT.

IllegalStateException - if all services that voted YES succeeded.