Primer (google-ads 17.0.1 API)

java.lang.Object
- com.google.ads.googleads.lib.catalog.Primer

Direct Known Subclasses:

DefaultPrimer
```
@Beta
public abstract class Primer
extends java.lang.Object
```
Performs startup performance optimizations to avoid cold-start of clients. Disabled by default. To enable, set the system property defined by ENABLE_PRIMER_SYSTEM_PROPERTY=true.

Constructor Summary

Constructors
Constructor Description

Primer()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`static java.util.Optional<Primer>`	`getInstance()`	Returns an instance of the primer, if enabled.
`static boolean`	`isEnabled()`	Checks if the primer should be enabled.
`abstract void`	`primeAllVersionsAsync()`	Primes the classes required by `GoogleAdsAllVersions`
`static void`	`primeBasicsIfEnabled()`	Primes any components that can be run without additional state (e.g.
`abstract void`	`primeCredentialsAsync(com.google.auth.Credentials credentials)`	Primes the credentials, e.g.
`abstract void`	`primeGrpcAsync()`	Primes the gRPC layer asynchronously.
`abstract void`	`primeProtobufAsync()`	Primes the protobuf layer asynchronously.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Primer
```
public Primer()
```
- Method Detail
  - getInstance
```
public static java.util.Optional<Primer> getInstance()
```
    Returns an instance of the primer, if enabled. Otherwise, empty.
  - isEnabled
```
public static boolean isEnabled()
```
    Checks if the primer should be enabled. This can be used to avoid initializing the primer.
  - primeBasicsIfEnabled
```
public static void primeBasicsIfEnabled()
```
    Primes any components that can be run without additional state (e.g. credentials).
  - primeGrpcAsync
```
public abstract void primeGrpcAsync()
```
    Primes the gRPC layer asynchronously.
  - primeProtobufAsync
```
public abstract void primeProtobufAsync()
```
    Primes the protobuf layer asynchronously.
  - primeAllVersionsAsync
```
public abstract void primeAllVersionsAsync()
```
    Primes the classes required by GoogleAdsAllVersions
  - primeCredentialsAsync
```
public abstract void primeCredentialsAsync(com.google.auth.Credentials credentials)
```
    Primes the credentials, e.g. by preemptively loading an access token.
    
    Parameters:
    
    credentials - the credentials to prime.