StorageNodeClient (venice API)

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Implementing Classes:

ApacheHttpAsyncStorageNodeClient, HttpClient5StorageNodeClient
```
public interface StorageNodeClient
extends java.io.Closeable
```

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`close()`	Close the client and release all resources held by the client
`default boolean`	`isInstanceReadyToServe(java.lang.String instanceId)`
`void`	`query(Instance host, VenicePath path, java.util.function.Consumer<PortableHttpResponse> completedCallBack, java.util.function.Consumer<java.lang.Throwable> failedCallBack, java.util.function.BooleanSupplier cancelledCallBack)`	Send a request to storage node
`default void`	`sendRequest(VeniceMetaDataRequest request, java.util.concurrent.CompletableFuture<PortableHttpResponse> responseConsumer)`
`void`	`start()`	Start the client and prepare the required resources.

- Method Detail
  - start
```
void start()
```
    Start the client and prepare the required resources.
  - close
```
void close()
```
    Close the client and release all resources held by the client
    
    Specified by:
    
    close in interface java.lang.AutoCloseable
    
    Specified by:
    
    close in interface java.io.Closeable
  - query
```
void query(Instance host,
           VenicePath path,
           java.util.function.Consumer<PortableHttpResponse> completedCallBack,
           java.util.function.Consumer<java.lang.Throwable> failedCallBack,
           java.util.function.BooleanSupplier cancelledCallBack)
    throws RouterException
```
    Send a request to storage node
    
    Parameters:
    
    host - The target host to which the request will be sent
    
    path - contains information like URI, request content, HTTP method, etc.
    
    completedCallBack - Callback function for a complete response
    
    failedCallBack - if any exception thrown in the channel
    
    cancelledCallBack - for requests that are cancelled by the channel
    
    Throws:
    
    RouterException
  - isInstanceReadyToServe
```
default boolean isInstanceReadyToServe(java.lang.String instanceId)
```
  - sendRequest
```
default void sendRequest(VeniceMetaDataRequest request,
                         java.util.concurrent.CompletableFuture<PortableHttpResponse> responseConsumer)
```