org.hawkular.apm.server.api.utils

Class ProducerInfoUtil

java.lang.Object

org.hawkular.apm.server.api.utils.ProducerInfoUtil

public class ProducerInfoUtil
extends Object

This class represents the capability for initialising the producer information.

Author:

gbrown

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ProducerInfoUtil.Origin Container for details about the origin node.

Method Summary

Modifier and Type	Method and Description
protected static Span	findRootOrServerSpan(String tenantId, Span span, SpanCache spanCache) This method identifies the root or enclosing server span that contains the supplied client span.
static ProducerInfo	getProducerInfo(String tenantId, Span serverSpan, SpanCache spanCache) This method attempts to derive the Producer Information for the supplied server span.
static void	initialise(String tenantId, List<Trace> items, ProducerInfoCache producerInfoCache) This method initialises producer information associated with the supplied traces.
protected static void	initialiseProducerInfo(List<ProducerInfo> producerInfoList, String tenantId, Trace trace, ProducerInfoUtil.Origin origin, Node node, ProducerInfoCache producerInfoCache) This method initialises an individual node within a trace.

Methods inherited from class java.lang.Object

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

Method Detail

initialise

public static void initialise(String tenantId,
                              List<Trace> items,
                              ProducerInfoCache producerInfoCache)
                       throws RetryAttemptException

This method initialises producer information associated with the supplied traces.

Parameters:

tenantId -

items -

producerInfoCache - The cache

Throws:

RetryAttemptException - Failed to initialise producer information

initialiseProducerInfo

protected static void initialiseProducerInfo(List<ProducerInfo> producerInfoList,
                                             String tenantId,
                                             Trace trace,
                                             ProducerInfoUtil.Origin origin,
                                             Node node,
                                             ProducerInfoCache producerInfoCache)

This method initialises an individual node within a trace.

Parameters:

producerInfoList - The producer info list

tenantId - The tenant id

trace - The trace

origin - The origin node information

node - The node

producerInfoCache - The cache

findRootOrServerSpan

protected static Span findRootOrServerSpan(String tenantId,
                                           Span span,
                                           SpanCache spanCache)

This method identifies the root or enclosing server span that contains the supplied client span.

Parameters:

tenantId - The tenant id

span - The client span

spanCache - The span cache

Returns:

The root or enclosing server span, or null if not found

getProducerInfo

public static ProducerInfo getProducerInfo(String tenantId,
                                           Span serverSpan,
                                           SpanCache spanCache)

This method attempts to derive the Producer Information for the supplied server span. If the information is not available, then a null will be returned, which can be used to trigger a retry attempt if appropriate.

Parameters:

tenantId - The tenant id

serverSpan - The server span

spanCache - The cache

Returns:

The producer information, or null if not found