Class InstantiatingHttpJsonChannelProvider (2.12.2)

Version 2.12.2

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public final class InstantiatingHttpJsonChannelProvider implements TransportChannelProvider

InstantiatingHttpJsonChannelProvider is a TransportChannelProvider which constructs a ManagedHttpJsonChannel with a number of configured inputs every time getChannel(...) is called. These inputs include a port, a service address, and credentials.

The credentials can either be supplied directly (by providing a FixedCredentialsProvider to Builder.setCredentialsProvider()) or acquired implicitly from Application Default Credentials (by providing a GoogleCredentialsProvider to Builder.setCredentialsProvider()).

The client lib header and generator header values are used to form a value that goes into the http header of requests to the service.

Inheritance

java.lang.Object > InstantiatingHttpJsonChannelProvider

Implements

TransportChannelProvider

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

newBuilder()

public static InstantiatingHttpJsonChannelProvider.Builder newBuilder()

Returns

Type	Description
InstantiatingHttpJsonChannelProvider.Builder

Methods

acceptsPoolSize()

public boolean acceptsPoolSize()

Reports whether this provider allows pool size customization.

Returns

Type	Description
boolean

getEndpoint()

public String getEndpoint()

The endpoint to be used for the channel.

Returns

Type	Description
String

getTransportChannel()

public HttpJsonTransportChannel getTransportChannel()

Provides a Transport, which could either be a new instance for every call, or the same instance, depending on the implementation.

If #needsExecutor() is true, then #withExecutor(Executor) needs to be called first to provide an executor.

If #needsHeaders() is true, then #withHeaders(Map) needs to be called first to provide headers.

if #needsEndpoint() is true, then #withEndpoint(String) needs to be called first to provide an endpoint.

Returns

Type	Description
HttpJsonTransportChannel

Exceptions

Type	Description
IOException

getTransportName()

public String getTransportName()

The name of the transport.

This string can be used for identifying transports for switching logic.

Returns

Type	Description
String

needsCredentials()

public boolean needsCredentials()

True if credentials are needed before channel creation.

Returns

Type	Description
boolean

needsEndpoint()

public boolean needsEndpoint()

True if the TransportProvider has no endpoint set.

Returns

Type	Description
boolean

needsExecutor() (deprecated)

public boolean needsExecutor()

Deprecated. If executor is not set, this channel provider will create channels with default executor defined in ManagedHttpJsonChannel.

True if the TransportProvider needs an executor.

Returns

Type	Description
boolean

needsHeaders()

public boolean needsHeaders()

True if the TransportProvider has no headers provided.

Returns

Type	Description
boolean

shouldAutoClose()

public boolean shouldAutoClose()

Indicates whether the TransportChannel should be closed by the containing client class.

Returns

Type	Description
boolean

toBuilder()

public InstantiatingHttpJsonChannelProvider.Builder toBuilder()

Returns

Type	Description
InstantiatingHttpJsonChannelProvider.Builder

withCredentials(Credentials credentials)

public TransportChannelProvider withCredentials(Credentials credentials)

Sets the credentials that will be applied before channel creation.

Parameter

Name	Description
credentials	com.google.auth.Credentials

Returns

Type	Description
TransportChannelProvider

withEndpoint(String endpoint)

public TransportChannelProvider withEndpoint(String endpoint)

Sets the endpoint to use when constructing a new TransportChannel.

This method should only be called if #needsEndpoint() returns true.

Parameter

Name	Description
endpoint	String

Returns

Type	Description
TransportChannelProvider

withExecutor(Executor executor)

public TransportChannelProvider withExecutor(Executor executor)

Sets the executor to use when constructing a new TransportChannel.

Parameter

Name	Description
executor	Executor

Returns

Type	Description
TransportChannelProvider

withExecutor(ScheduledExecutorService executor)

public TransportChannelProvider withExecutor(ScheduledExecutorService executor)

Parameter

Name	Description
executor	ScheduledExecutorService

Returns

Type	Description
TransportChannelProvider

withHeaders(Map<String,String> headers)

public TransportChannelProvider withHeaders(Map<String,String> headers)

Sets the headers to use when constructing a new TransportChannel.

This method should only be called if #needsHeaders() returns true.

Parameter

Name	Description
headers	Map<String,String>

Returns

Type	Description
TransportChannelProvider

withPoolSize(int size)

public TransportChannelProvider withPoolSize(int size)

Number of underlying transport channels to open. Calls will be load balanced across them.

Parameter

Name	Description
size	int

Returns

Type	Description
TransportChannelProvider