com.basho.riak.client.http.util
Class ClientHelper

java.lang.Object
  com.basho.riak.client.http.util.ClientHelper

public class ClientHelper
extends Object

This class performs the actual HTTP requests underlying the operations in RiakClient and returns the resulting HTTP responses. It is up to RiakClient to interpret the responses and translate them into the appropriate format.

Constructor Summary

ClientHelper(RiakConfig config, String clientId)

Method Summary

HttpResponse	delete(String bucket, String key, RequestMeta meta) Same as RiakClient, except only returning the HTTP response
HttpResponse	fetch(String bucket, String key, RequestMeta meta)
HttpResponse	fetch(String bucket, String key, RequestMeta meta, boolean streamResponse) Same as RiakClient, except only returning the HTTP response and allows the response to be streamed.
HttpResponse	fetchIndex(String bucket, String indexName, int[] values) Perform the fetch/query on an index
HttpResponse	fetchIndex(String bucket, String indexName, String[] values) Perform the fetch/query on an index
HttpResponse	fetchMeta(String bucket, String key, RequestMeta meta) Same as RiakClient, except only returning the HTTP response
HttpResponse	getBucketSchema(String bucket, RequestMeta meta) Same as RiakClient.getBucketSchema(String, RequestMeta), except only returning the HTTP response.
byte[]	getClientId() See RiakClient.getClientId()
RiakConfig	getConfig()
RiakExceptionHandler	getExceptionHandler()
org.apache.http.client.HttpClient	getHttpClient() Return the HttpClient used to make requests, which can be configured.
HttpResponse	listBucket(String bucket, RequestMeta meta, boolean streamResponse) Same as RiakClient, except only returning the HTTP response, and if streamResponse==true, the response will be streamed back, so the user is responsible for calling HttpResponseDecorator.close()
HttpResponse	listBuckets() List the buckets in Riak
HttpResponse	mapReduce(String job, RequestMeta meta) Same as RiakClient, except only returning the HTTP response
HttpResponse	ping() Same as RiakClient.ping()
HttpResponse	setBucketSchema(String bucket, JSONObject schema, RequestMeta meta) See RiakClient.setBucketSchema(String, com.basho.riak.client.http.RiakBucketInfo, RequestMeta)
void	setClientId(String clientId)
void	setExceptionHandler(RiakExceptionHandler exceptionHandler) Install an exception handler.
HttpResponse	stats() Same as RiakClient.stats()
HttpResponse	store(RiakObject object, RequestMeta meta) Same as RiakClient, except only returning the HTTP response
boolean	stream(String bucket, String key, StreamHandler handler, RequestMeta meta) Same as RiakClient, except only returning the HTTP response
HttpResponse	toss(RiakIORuntimeException e) Hands exception e to installed exception handler if there is one or throw it.
HttpResponse	toss(RiakResponseRuntimeException e)
HttpResponse	walk(String bucket, String key, String walkSpec, RequestMeta meta) Same as RiakClient, except only returning the HTTP response

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientHelper

public ClientHelper(RiakConfig config,
                    String clientId)

Method Detail

getClientId

public byte[] getClientId()

See RiakClient.getClientId()

setClientId

public void setClientId(String clientId)

setBucketSchema

public HttpResponse setBucketSchema(String bucket,
                                    JSONObject schema,
                                    RequestMeta meta)

See RiakClient.setBucketSchema(String, com.basho.riak.client.http.RiakBucketInfo, RequestMeta)

getBucketSchema

public HttpResponse getBucketSchema(String bucket,
                                    RequestMeta meta)

Same as RiakClient.getBucketSchema(String, RequestMeta), except only returning the HTTP response.

listBuckets

public HttpResponse listBuckets()

List the buckets in Riak

Returns:

an HttpResponse whose body should be the result of asking Riak to list buckets.

listBucket

public HttpResponse listBucket(String bucket,
                               RequestMeta meta,
                               boolean streamResponse)

Same as RiakClient, except only returning the HTTP response, and if streamResponse==true, the response will be streamed back, so the user is responsible for calling HttpResponseDecorator.close()

store

public HttpResponse store(RiakObject object,
                          RequestMeta meta)

Same as RiakClient, except only returning the HTTP response

fetchMeta

public HttpResponse fetchMeta(String bucket,
                              String key,
                              RequestMeta meta)

Same as RiakClient, except only returning the HTTP response

fetch

public HttpResponse fetch(String bucket,
                          String key,
                          RequestMeta meta,
                          boolean streamResponse)

Same as RiakClient, except only returning the HTTP response and allows the response to be streamed.

Parameters:

bucket - Same as RiakClient

key - Same as RiakClient

meta - Same as RiakClient

streamResponse - If true, the connection will NOT be released. Use HttpResponse.getHttpMethod().getResponseBodyAsStream() to get the response stream; HttpResponse.getBody() will return null.

Returns:

Same as RiakClient

fetch

public HttpResponse fetch(String bucket,
                          String key,
                          RequestMeta meta)

stream

public boolean stream(String bucket,
                      String key,
                      StreamHandler handler,
                      RequestMeta meta)
               throws IOException

Same as RiakClient, except only returning the HTTP response

Throws:

IOException

delete

public HttpResponse delete(String bucket,
                           String key,
                           RequestMeta meta)

Same as RiakClient, except only returning the HTTP response

walk

public HttpResponse walk(String bucket,
                         String key,
                         String walkSpec,
                         RequestMeta meta)

Same as RiakClient, except only returning the HTTP response

mapReduce

public HttpResponse mapReduce(String job,
                              RequestMeta meta)

Same as RiakClient, except only returning the HTTP response

fetchIndex

public HttpResponse fetchIndex(String bucket,
                               String indexName,
                               String[] values)

Perform the fetch/query on an index

Parameters:

bucket - the bucket

indexName - the name of the index

values - an array of Strings, if only 1 long, then a value, if longer the 1st 2 elements are treated as the bounds for a range

Returns:

an HttpResponse

fetchIndex

public HttpResponse fetchIndex(String bucket,
                               String indexName,
                               int[] values)

Perform the fetch/query on an index

Parameters:

bucket - the bucket

indexName - the name of the index

values - an array of ints, if only 1 long, then a value, if longer the 1st 2 elements are treated as the bounds for a range

Returns:

an HttpResponse

ping

public HttpResponse ping()

Same as RiakClient.ping()

Returns:

the ping HttpResponse

getExceptionHandler

public RiakExceptionHandler getExceptionHandler()

Returns:

the installed exception handler or null if not installed

stats

public HttpResponse stats()

Same as RiakClient.stats()

Returns:

an HttpResponse whose body should be the result of asking Riak for its stats (status).

setExceptionHandler

public void setExceptionHandler(RiakExceptionHandler exceptionHandler)

Install an exception handler. If an exception handler is provided, then the Riak client will hand exceptions to the handler rather than throwing them.

toss

public HttpResponse toss(RiakIORuntimeException e)

Hands exception e to installed exception handler if there is one or throw it.

Returns:

A 0-status HttpResponse.

toss

public HttpResponse toss(RiakResponseRuntimeException e)

getHttpClient

public org.apache.http.client.HttpClient getHttpClient()

Return the HttpClient used to make requests, which can be configured.

getConfig

public RiakConfig getConfig()

Returns:

The config used to construct the HttpClient connecting to Riak.