org.apache.ignite.spi.tracing

Interface TracingSpi<S extends SpiSpecificSpan>

All Superinterfaces:

IgniteSpi

All Known Implementing Classes:

NoopTracingSpi, OpenCensusTracingSpi

public interface TracingSpi<S extends SpiSpecificSpan>
extends IgniteSpi

Tracing SPI interface.

Method Summary

Modifier and Type	Method and Description
S	create(@NotNull String name, @Nullable byte[] serializedSpan) Creates Span given name and explicit parent.
S	create(@NotNull String name, S parentSpan) Creates Span given name and explicit parent.
byte[]	serialize(S span) Serializes span to byte array to send context over network.
byte	type()

Methods inherited from interface org.apache.ignite.spi.IgniteSpi

getName, getNodeAttributes, onClientDisconnected, onClientReconnected, onContextDestroyed, onContextInitialized, spiStart, spiStop

Method Detail

create

S create(@NotNull
         @NotNull String name,
         @Nullable
         @Nullable byte[] serializedSpan)
  throws Exception

Creates Span given name and explicit parent.

Parameters:

name - Name of span to create.

serializedSpan - Parent span as serialized bytes.

Returns:

Created span.

Throws:

Exception - If failed to deserialize patent span.

create

@NotNull
S create(@NotNull
                  @NotNull String name,
                  @Nullable
                  S parentSpan)

Creates Span given name and explicit parent.

Parameters:

name - Name of span to create.

parentSpan - Parent span.

Returns:

Span instance.

serialize

byte[] serialize(@NotNull
                 S span)

Serializes span to byte array to send context over network.

Parameters:

span - Span.

Returns:

Span instance.

type

byte type()

Returns:

type of tracing spi as byte.