Class ReadFailureException

A Server failure (non-timeout) during a read query.

Inheritance

object

Exception

DriverException

QueryValidationException

QueryExecutionException

ReadFailureException

Implements

ISerializable

Inherited Members

Exception.GetBaseException()

Exception.GetObjectData(SerializationInfo, StreamingContext)

Exception.GetType()

Exception.ToString()

Exception.Data

Exception.HelpLink

Exception.HResult

Exception.InnerException

Exception.Message

Exception.Source

Exception.StackTrace

Exception.TargetSite

Exception.SerializeObjectState

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

Namespace: Cassandra

Assembly: Cassandra.dll

Syntax

public class ReadFailureException : QueryExecutionException, ISerializable

Constructors

ReadFailureException(ConsistencyLevel, int, int, bool, IDictionary<IPAddress, int>)

Creates a new instance of ReadFailureException providing the failure reasons dictionary.

Declaration

public ReadFailureException(ConsistencyLevel consistency, int received, int required, bool dataPresent, IDictionary<IPAddress, int> reasons)

Parameters

Type	Name	Description
ConsistencyLevel	consistency
int	received
int	required
bool	dataPresent
IDictionary<IPAddress, int>	reasons

ReadFailureException(ConsistencyLevel, int, int, bool, int)

Declaration

public ReadFailureException(ConsistencyLevel consistency, int received, int required, bool dataPresent, int failures)

Parameters

Type	Name	Description
ConsistencyLevel	consistency
int	received
int	required
bool	dataPresent
int	failures

Properties

ConsistencyLevel

Gets the consistency level of the operation

Declaration

public ConsistencyLevel ConsistencyLevel { get; }

Property Value

Type	Description
ConsistencyLevel

Failures

Gets the number of nodes that experienced a failure while executing the request.

Declaration

public int Failures { get; }

Property Value

Type	Description
int

Reasons

Gets a failure reason code for each node that failed.

On older protocol versions, an empty map and only the number of Failures is provided.

Declaration

public IDictionary<IPAddress, int> Reasons { get; }

Property Value

Type	Description
IDictionary<IPAddress, int>

ReceivedAcknowledgements

Gets the number of replica that had acknowledged/responded to the operation

Declaration

public int ReceivedAcknowledgements { get; }

Property Value

Type	Description
int

RequiredAcknowledgements

Gets the minimum number of replica acknowledgements/responses that were required to fulfill the operation.

Declaration

public int RequiredAcknowledgements { get; }

Property Value

Type	Description
int

WasDataRetrieved

Declaration

public bool WasDataRetrieved { get; }

Property Value

Type	Description
bool

Implements

System.Runtime.Serialization.ISerializable