de.zib.scalaris

Class DeleteResult

java.lang.Object

de.zib.scalaris.DeleteResult

public class DeleteResult
extends Object

Stores the result of a delete operation.

Since:

2.2

Version:

3.19

Author:

Nico Kruber, kruber@zib.de

See Also:

ReplicatedDHT.delete(String)

Field Summary

Fields

Modifier and Type	Field and Description
int	locks_set Skipped replicas because locks were set.
int	ok Number of successfully deleted replicas.
int	undef Skipped replicas because they did not exist.

Constructor Summary

Constructors

Constructor and Description
DeleteResult(OtpErlangList list) Creates a delete state object by converting the result list returned from erlang.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasDeletedAll(Connection conn) Checks whether the delete operation has successfully deleted all replicas (replicas which did not exist are counted as successfully deleted as well).

Methods inherited from class java.lang.Object

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

Field Detail

ok

public int ok

Number of successfully deleted replicas.

locks_set

public int locks_set

Skipped replicas because locks were set.

undef

public int undef

Skipped replicas because they did not exist.

Constructor Detail

DeleteResult

public DeleteResult(OtpErlangList list)
             throws UnknownException

Creates a delete state object by converting the result list returned from erlang.

Parameters:

list - the list to convert

Throws:

UnknownException - is thrown if an unknown reason was encountered

Method Detail

hasDeletedAll

public boolean hasDeletedAll(Connection conn)
                      throws ConnectionException

Checks whether the delete operation has successfully deleted all replicas (replicas which did not exist are counted as successfully deleted as well). If not, the delete needs to be executed again (see ReplicatedDHT.delete(com.ericsson.otp.erlang.OtpErlangString, int).

Parameters:

conn - a connection to Scalaris to find out the current replication degree

Returns:

whether all replicas were deleted or not

Throws:

ConnectionException - if the connection is not active or a communication error occurs or an exit signal was received or the remote node sends a message containing an invalid cookie

Since:

3.19