Class TraceServiceClient (2.1.11)

Version 2.1.11

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public class TraceServiceClient implements 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. Spans for a single trace may span 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:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   String projectId = "projectId-894832108";
   String traceId = "traceId-1067401920";
   Trace response = traceServiceClient.getTrace(projectId, traceId);
 }
 

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:

 TraceServiceSettings traceServiceSettings =
     TraceServiceSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 TraceServiceClient traceServiceClient = TraceServiceClient.create(traceServiceSettings);
 

To customize the endpoint:

 TraceServiceSettings traceServiceSettings =
     TraceServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
 TraceServiceClient traceServiceClient = TraceServiceClient.create(traceServiceSettings);
 

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

Inheritance

java.lang.Object > TraceServiceClient

Implements

BackgroundResource

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Static Methods

create()

public static final TraceServiceClient create()

Constructs an instance of TraceServiceClient with default settings.

Returns

Type	Description
TraceServiceClient

Exceptions

Type	Description
IOException

create(TraceServiceSettings settings)

public static final TraceServiceClient create(TraceServiceSettings settings)

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.

Parameter

Name	Description
settings	TraceServiceSettings

Returns

Type	Description
TraceServiceClient

Exceptions

Type	Description
IOException

create(TraceServiceStub stub)

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).

Parameter

Name	Description
stub	TraceServiceStub

Returns

Type	Description
TraceServiceClient

Constructors

TraceServiceClient(TraceServiceSettings settings)

protected TraceServiceClient(TraceServiceSettings settings)

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.

Parameter

Name	Description
settings	TraceServiceSettings

TraceServiceClient(TraceServiceStub stub)

protected TraceServiceClient(TraceServiceStub stub)

Parameter

Name	Description
stub	TraceServiceStub

Methods

awaitTermination(long duration, TimeUnit unit)

public boolean awaitTermination(long duration, TimeUnit unit)

Parameters

Name	Description
duration	long
unit	TimeUnit

Returns

Type	Description
boolean

Exceptions

Type	Description
InterruptedException

close()

public final void close()

getSettings()

public final TraceServiceSettings getSettings()

Returns

Type	Description
TraceServiceSettings

getStub()

public TraceServiceStub getStub()

Returns

Type	Description
TraceServiceStub

getTrace(GetTraceRequest request)

public final Trace getTrace(GetTraceRequest request)

Gets a single trace by its ID.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   GetTraceRequest request =
       GetTraceRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setTraceId("traceId-1067401920")
           .build();
   Trace response = traceServiceClient.getTrace(request);
 }
 

Parameter

Name	Description
request	GetTraceRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
Trace

getTrace(String projectId, String traceId)

public final Trace getTrace(String projectId, String traceId)

Gets a single trace by its ID.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   String projectId = "projectId-894832108";
   String traceId = "traceId-1067401920";
   Trace response = traceServiceClient.getTrace(projectId, traceId);
 }
 

Parameters

Name	Description
projectId	String Required. ID of the Cloud project where the trace data is stored.
traceId	String Required. ID of the trace to return.

Returns

Type	Description
Trace

getTraceCallable()

public final UnaryCallable<GetTraceRequest,Trace> getTraceCallable()

Gets a single trace by its ID.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   GetTraceRequest request =
       GetTraceRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setTraceId("traceId-1067401920")
           .build();
   ApiFuture<Trace> future = traceServiceClient.getTraceCallable().futureCall(request);
   // Do something.
   Trace response = future.get();
 }
 

Returns

Type	Description
UnaryCallable<GetTraceRequest,Trace>

isShutdown()

public boolean isShutdown()

Returns

Type	Description
boolean

isTerminated()

public boolean isTerminated()

Returns

Type	Description
boolean

listTraces(ListTracesRequest request)

public final TraceServiceClient.ListTracesPagedResponse listTraces(ListTracesRequest request)

Returns of a list of traces that match the specified filter conditions.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   ListTracesRequest request =
       ListTracesRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setStartTime(Timestamp.newBuilder().build())
           .setEndTime(Timestamp.newBuilder().build())
           .setFilter("filter-1274492040")
           .setOrderBy("orderBy-1207110587")
           .build();
   for (Trace element : traceServiceClient.listTraces(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
request	ListTracesRequest The request object containing all of the parameters for the API call.

Returns

Type	Description
TraceServiceClient.ListTracesPagedResponse

listTraces(String projectId)

public final TraceServiceClient.ListTracesPagedResponse listTraces(String projectId)

Returns of a list of traces that match the specified filter conditions.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   String projectId = "projectId-894832108";
   for (Trace element : traceServiceClient.listTraces(projectId).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Parameter

Name	Description
projectId	String Required. ID of the Cloud project where the trace data is stored.

Returns

Type	Description
TraceServiceClient.ListTracesPagedResponse

listTracesCallable()

public final UnaryCallable<ListTracesRequest,ListTracesResponse> listTracesCallable()

Returns of a list of traces that match the specified filter conditions.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   ListTracesRequest request =
       ListTracesRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setStartTime(Timestamp.newBuilder().build())
           .setEndTime(Timestamp.newBuilder().build())
           .setFilter("filter-1274492040")
           .setOrderBy("orderBy-1207110587")
           .build();
   while (true) {
     ListTracesResponse response = traceServiceClient.listTracesCallable().call(request);
     for (Trace element : response.getResponsesList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

Returns

Type	Description
UnaryCallable<ListTracesRequest,ListTracesResponse>

listTracesPagedCallable()

public final UnaryCallable<ListTracesRequest,TraceServiceClient.ListTracesPagedResponse> listTracesPagedCallable()

Returns of a list of traces that match the specified filter conditions.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   ListTracesRequest request =
       ListTracesRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setStartTime(Timestamp.newBuilder().build())
           .setEndTime(Timestamp.newBuilder().build())
           .setFilter("filter-1274492040")
           .setOrderBy("orderBy-1207110587")
           .build();
   ApiFuture<Trace> future = traceServiceClient.listTracesPagedCallable().futureCall(request);
   // Do something.
   for (Trace element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

Returns

Type	Description
UnaryCallable<ListTracesRequest,ListTracesPagedResponse>

patchTraces(PatchTracesRequest request)

public final void patchTraces(PatchTracesRequest request)

Sends new traces to Stackdriver Trace or updates existing traces. If the ID of a trace that you send matches that of an existing trace, any fields in the existing trace and its spans are overwritten by the provided values, and any new fields provided are merged with the existing trace data. If the ID does not match, a new trace is created.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   PatchTracesRequest request =
       PatchTracesRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setTraces(Traces.newBuilder().build())
           .build();
   traceServiceClient.patchTraces(request);
 }
 

Parameter

Name	Description
request	PatchTracesRequest The request object containing all of the parameters for the API call.

patchTraces(String projectId, Traces traces)

public final void patchTraces(String projectId, Traces traces)

Sends new traces to Stackdriver Trace or updates existing traces. If the ID of a trace that you send matches that of an existing trace, any fields in the existing trace and its spans are overwritten by the provided values, and any new fields provided are merged with the existing trace data. If the ID does not match, a new trace is created.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   String projectId = "projectId-894832108";
   Traces traces = Traces.newBuilder().build();
   traceServiceClient.patchTraces(projectId, traces);
 }
 

Parameters

Name	Description
projectId	String Required. ID of the Cloud project where the trace data is stored.
traces	Traces Required. The body of the message.

patchTracesCallable()

public final UnaryCallable<PatchTracesRequest,Empty> patchTracesCallable()

Sends new traces to Stackdriver Trace or updates existing traces. If the ID of a trace that you send matches that of an existing trace, any fields in the existing trace and its spans are overwritten by the provided values, and any new fields provided are merged with the existing trace data. If the ID does not match, a new trace is created.

Sample code:

 try (TraceServiceClient traceServiceClient = TraceServiceClient.create()) {
   PatchTracesRequest request =
       PatchTracesRequest.newBuilder()
           .setProjectId("projectId-894832108")
           .setTraces(Traces.newBuilder().build())
           .build();
   ApiFuture<Empty> future = traceServiceClient.patchTracesCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

Returns

Type	Description
UnaryCallable<PatchTracesRequest,Empty>

shutdown()

public void shutdown()

shutdownNow()

public void shutdownNow()