Package org.apache.solr.util.tracing

Class TraceUtils

java.lang.Object

org.apache.solr.util.tracing.TraceUtils

public class TraceUtils
extends Object

Utilities for distributed tracing.

Field Summary

Fields

Modifier and Type	Field	Description
static Predicate<io.opentracing.Span>	DEFAULT_IS_RECORDING
static Predicate<io.opentracing.Span>	IS_RECORDING	this should only be changed in the context of testing, otherwise it would risk not recording trace data.

Constructor Summary

Constructors

Constructor	Description
TraceUtils()

Method Summary

Modifier and Type	Method	Description
static void	ifNotNoop(io.opentracing.Span span, Consumer<io.opentracing.Span> consumer)
static void	injectTraceContext(org.apache.http.HttpRequest req)
static void	injectTraceContext(org.eclipse.jetty.client.api.Request req, io.opentracing.Span span)
static void	setDbInstance(SolrQueryRequest req, String coreOrColl)
static void	setOperations(SolrQueryRequest req, String clazz, List<String> ops)
static io.opentracing.Span	startCollectionApiCommandSpan(io.opentracing.Tracer tracer, String name, String collection, boolean isAsync)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_IS_RECORDING

public static final Predicate<io.opentracing.Span> DEFAULT_IS_RECORDING

IS_RECORDING

public static Predicate<io.opentracing.Span> IS_RECORDING

this should only be changed in the context of testing, otherwise it would risk not recording trace data.

Constructor Detail

TraceUtils

public TraceUtils()

Method Detail

setDbInstance

public static void setDbInstance(SolrQueryRequest req,
                                 String coreOrColl)

ifNotNoop

public static void ifNotNoop(io.opentracing.Span span,
                             Consumer<io.opentracing.Span> consumer)

injectTraceContext

public static void injectTraceContext(org.eclipse.jetty.client.api.Request req,
                                      io.opentracing.Span span)

injectTraceContext

public static void injectTraceContext(org.apache.http.HttpRequest req)

setOperations

public static void setOperations(SolrQueryRequest req,
                                 String clazz,
                                 List<String> ops)

startCollectionApiCommandSpan

public static io.opentracing.Span startCollectionApiCommandSpan(io.opentracing.Tracer tracer,
                                                                String name,
                                                                String collection,
                                                                boolean isAsync)