com.google.cloud.trace.v2

Class TraceServiceClient

java.lang.Object

com.google.cloud.trace.v2.TraceServiceClient

All Implemented Interfaces:

com.google.api.gax.core.BackgroundResource, AutoCloseable

@Generated(value="by gapic-generator-java")
public class TraceServiceClient
extends Object
implements com.google.api.gax.core.BackgroundResource

Service Description: This file describes an API for collecting and viewing traces and spans within a trace. A Trace is a collection of spans corresponding to a single operation or set of operations for an application. A span is an individual timed event which forms a node of the trace tree. A single trace may contain span(s) from multiple services.

This class provides the ability to make remote calls to the backing service through method calls that map to API methods. Sample code to get started:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   ProjectName name = ProjectName.of("[PROJECT]");
   List<Span> spans = new ArrayList<>();
   traceServiceClient.batchWriteSpans(name, spans);
 }
 

Note: close() needs to be called on the TraceServiceClient object to clean up resources such as threads. In the example above, try-with-resources is used, which automatically calls close().

The surface of this class includes several types of Java methods for each of the API's methods:

1. A "flattened" method. With this type of method, the fields of the request type have been converted into function parameters. It may be the case that not all fields are available as parameters, and not every API method will have a flattened method entry point.
2. A "request object" method. This type of method only takes one parameter, a request object, which must be constructed before the call. Not every API method will have a request object method.
3. A "callable" method. This type of method takes no parameters and returns an immutable API callable object, which can be used to initiate calls to the service.

See the individual methods for example code.

Many parameters require resource names to be formatted in a particular way. To assist with these names, this class includes a format method for each type of name, and additionally a parse method to extract the individual identifiers contained within names that are returned.

This class can be customized by passing in a custom instance of TraceServiceSettings to create(). For example:

To customize credentials:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 TraceServiceSettings traceServiceSettings =
     TraceServiceSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 TraceServiceClient traceServiceClient = TraceServiceClient.create(traceServiceSettings);
 

To customize the endpoint:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 TraceServiceSettings traceServiceSettings =
     TraceServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
 TraceServiceClient traceServiceClient = TraceServiceClient.create(traceServiceSettings);
 

To use REST (HTTP1.1/JSON) transport (instead of gRPC) for sending and receiving requests over the wire:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 TraceServiceSettings traceServiceSettings = TraceServiceSettings.newHttpJsonBuilder().build();
 TraceServiceClient traceServiceClient = TraceServiceClient.create(traceServiceSettings);
 

Please refer to the GitHub repository's samples for more quickstart code snippets.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TraceServiceClient(TraceServiceSettings settings) Constructs an instance of TraceServiceClient, using the given settings.
protected	TraceServiceClient(TraceServiceStub stub)

Method Summary

Modifier and Type	Method and Description
boolean	awaitTermination(long duration, TimeUnit unit)
void	batchWriteSpans(BatchWriteSpansRequest request) Sends new spans to new or existing traces.
void	batchWriteSpans(ProjectName name, List<Span> spans) Sends new spans to new or existing traces.
void	batchWriteSpans(String name, List<Span> spans) Sends new spans to new or existing traces.
com.google.api.gax.rpc.UnaryCallable<BatchWriteSpansRequest,com.google.protobuf.Empty>	batchWriteSpansCallable() Sends new spans to new or existing traces.
void	close()
static TraceServiceClient	create() Constructs an instance of TraceServiceClient with default settings.
static TraceServiceClient	create(TraceServiceSettings settings) Constructs an instance of TraceServiceClient, using the given settings.
static TraceServiceClient	create(TraceServiceStub stub) Constructs an instance of TraceServiceClient, using the given stub for making calls.
Span	createSpan(Span request) Creates a new span.
com.google.api.gax.rpc.UnaryCallable<Span,Span>	createSpanCallable() Creates a new span.
TraceServiceSettings	getSettings()
TraceServiceStub	getStub()
boolean	isShutdown()
boolean	isTerminated()
void	shutdown()
void	shutdownNow()

Methods inherited from class java.lang.Object

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

Constructor Detail

TraceServiceClient

protected TraceServiceClient(TraceServiceSettings settings)
                      throws IOException

Constructs an instance of TraceServiceClient, using the given settings. This is protected so that it is easy to make a subclass, but otherwise, the static factory methods should be preferred.

Throws:

IOException

TraceServiceClient

protected TraceServiceClient(TraceServiceStub stub)

Method Detail

create

public static final TraceServiceClient create()
                                       throws IOException

Constructs an instance of TraceServiceClient with default settings.

Throws:

IOException

create

public static final TraceServiceClient create(TraceServiceSettings settings)
                                       throws IOException

Constructs an instance of TraceServiceClient, using the given settings. The channels are created based on the settings passed in, or defaults for any settings that are not set.

Throws:

IOException

create

public static final TraceServiceClient create(TraceServiceStub stub)

Constructs an instance of TraceServiceClient, using the given stub for making calls. This is for advanced usage - prefer using create(TraceServiceSettings).

getSettings

public final TraceServiceSettings getSettings()

getStub

public TraceServiceStub getStub()

batchWriteSpans

public final void batchWriteSpans(ProjectName name,
                                  List<Span> spans)

Sends new spans to new or existing traces. You cannot update existing spans.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   ProjectName name = ProjectName.of("[PROJECT]");
   List<Span> spans = new ArrayList<>();
   traceServiceClient.batchWriteSpans(name, spans);
 }
 

Parameters:

name - Required. The name of the project where the spans belong. The format is `projects/[PROJECT_ID]`.

spans - Required. A list of new spans. The span names must not match existing spans, or the results are undefined.

Throws:

com.google.api.gax.rpc.ApiException - if the remote call fails

batchWriteSpans

public final void batchWriteSpans(String name,
                                  List<Span> spans)

Sends new spans to new or existing traces. You cannot update existing spans.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   String name = ProjectName.of("[PROJECT]").toString();
   List<Span> spans = new ArrayList<>();
   traceServiceClient.batchWriteSpans(name, spans);
 }
 

Parameters:

name - Required. The name of the project where the spans belong. The format is `projects/[PROJECT_ID]`.

spans - Required. A list of new spans. The span names must not match existing spans, or the results are undefined.

Throws:

com.google.api.gax.rpc.ApiException - if the remote call fails

batchWriteSpans

public final void batchWriteSpans(BatchWriteSpansRequest request)

Sends new spans to new or existing traces. You cannot update existing spans.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   BatchWriteSpansRequest request =
       BatchWriteSpansRequest.newBuilder()
           .setName(ProjectName.of("[PROJECT]").toString())
           .addAllSpans(new ArrayList<Span>())
           .build();
   traceServiceClient.batchWriteSpans(request);
 }
 

Parameters:

request - The request object containing all of the parameters for the API call.

Throws:

com.google.api.gax.rpc.ApiException - if the remote call fails

batchWriteSpansCallable

public final com.google.api.gax.rpc.UnaryCallable<BatchWriteSpansRequest,com.google.protobuf.Empty> batchWriteSpansCallable()

Sends new spans to new or existing traces. You cannot update existing spans.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   BatchWriteSpansRequest request =
       BatchWriteSpansRequest.newBuilder()
           .setName(ProjectName.of("[PROJECT]").toString())
           .addAllSpans(new ArrayList<Span>())
           .build();
   ApiFuture<Empty> future = traceServiceClient.batchWriteSpansCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

createSpan

public final Span createSpan(Span request)

Creates a new span.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   Span request =
       Span.newBuilder()
           .setName(SpanName.of("[PROJECT]", "[TRACE]", "[SPAN]").toString())
           .setSpanId("spanId-896182779")
           .setParentSpanId("parentSpanId1059234639")
           .setDisplayName(TruncatableString.newBuilder().build())
           .setStartTime(Timestamp.newBuilder().build())
           .setEndTime(Timestamp.newBuilder().build())
           .setAttributes(Span.Attributes.newBuilder().build())
           .setStackTrace(StackTrace.newBuilder().build())
           .setTimeEvents(Span.TimeEvents.newBuilder().build())
           .setLinks(Span.Links.newBuilder().build())
           .setStatus(Status.newBuilder().build())
           .setSameProcessAsParentSpan(BoolValue.newBuilder().build())
           .setChildSpanCount(Int32Value.newBuilder().build())
           .build();
   Span response = traceServiceClient.createSpan(request);
 }
 

Parameters:

request - The request object containing all of the parameters for the API call.

Throws:

com.google.api.gax.rpc.ApiException - if the remote call fails

createSpanCallable

public final com.google.api.gax.rpc.UnaryCallable<Span,Span> createSpanCallable()

Creates a new span.

Sample code:

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   Span request =
       Span.newBuilder()
           .setName(SpanName.of("[PROJECT]", "[TRACE]", "[SPAN]").toString())
           .setSpanId("spanId-896182779")
           .setParentSpanId("parentSpanId1059234639")
           .setDisplayName(TruncatableString.newBuilder().build())
           .setStartTime(Timestamp.newBuilder().build())
           .setEndTime(Timestamp.newBuilder().build())
           .setAttributes(Span.Attributes.newBuilder().build())
           .setStackTrace(StackTrace.newBuilder().build())
           .setTimeEvents(Span.TimeEvents.newBuilder().build())
           .setLinks(Span.Links.newBuilder().build())
           .setStatus(Status.newBuilder().build())
           .setSameProcessAsParentSpan(BoolValue.newBuilder().build())
           .setChildSpanCount(Int32Value.newBuilder().build())
           .build();
   ApiFuture<Span> future = traceServiceClient.createSpanCallable().futureCall(request);
   // Do something.
   Span response = future.get();
 }
 

close

public final void close()

Specified by:

close in interface AutoCloseable

shutdown

public void shutdown()

Specified by:

shutdown in interface com.google.api.gax.core.BackgroundResource

isShutdown

public boolean isShutdown()

Specified by:

isShutdown in interface com.google.api.gax.core.BackgroundResource

isTerminated

public boolean isTerminated()

Specified by:

isTerminated in interface com.google.api.gax.core.BackgroundResource

shutdownNow

public void shutdownNow()

Specified by:

shutdownNow in interface com.google.api.gax.core.BackgroundResource

awaitTermination

public boolean awaitTermination(long duration,
                                TimeUnit unit)
                         throws InterruptedException

Specified by:

awaitTermination in interface com.google.api.gax.core.BackgroundResource

Throws:

InterruptedException