org.apache.druid.rpc

Interface ServiceRetryPolicy

All Known Implementing Classes:

SpecificTaskRetryPolicy, StandardRetryPolicy

public interface ServiceRetryPolicy

Used by ServiceClient to decide whether to retry requests.

Field Summary

Fields

Modifier and Type	Field and Description
static int	UNLIMITED

Method Summary

Modifier and Type	Method and Description
long	maxAttempts() Returns the maximum number of desired attempts, or UNLIMITED if unlimited.
long	maxWaitMillis() Returns the maximum wait time between retries.
long	minWaitMillis() Returns the minimum wait time between retries.
boolean	retryHttpResponse(org.jboss.netty.handler.codec.http.HttpResponse response) Returns whether the given HTTP response can be retried.
boolean	retryNotAvailable() Returns whether service-not-available, i.e.
boolean	retryThrowable(Throwable t) Returns whether the given exception can be retried.

Field Detail

UNLIMITED

static final int UNLIMITED

See Also:

Constant Field Values

Method Detail

maxAttempts

long maxAttempts()

Returns the maximum number of desired attempts, or UNLIMITED if unlimited. A value of 1 means no retries. Zero is invalid.

minWaitMillis

long minWaitMillis()

Returns the minimum wait time between retries.

maxWaitMillis

long maxWaitMillis()

Returns the maximum wait time between retries.

retryHttpResponse

boolean retryHttpResponse(org.jboss.netty.handler.codec.http.HttpResponse response)

Returns whether the given HTTP response can be retried. The response will have a non-2xx error code.

retryThrowable

boolean retryThrowable(Throwable t)

Returns whether the given exception can be retried.

retryNotAvailable

boolean retryNotAvailable()

Returns whether service-not-available, i.e. empty ServiceLocations.getLocations(), can be retried.