QueryLocator (Couchbase JVM Core IO 1.7.15 API)

java.lang.Object
- com.couchbase.client.core.node.locate.QueryLocator

All Implemented Interfaces:

Locator

Direct Known Subclasses:

AnalyticsLocator, SearchLocator
```
public class QueryLocator
extends Object
implements Locator
```

Constructor Summary

Constructors
Constructor Description

QueryLocator()
Generates the random initial value for the round robin counter used.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected boolean`	`checkNode(Node node)`
`void`	`locateAndDispatch(CouchbaseRequest request, List<Node> nodes, ClusterConfig config, CoreEnvironment env, com.lmax.disruptor.RingBuffer<ResponseEvent> responseBuffer)`	Given with the environment and node information, the implementation locates the right set of nodes and dispatches the request into them.

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

- Constructor Detail
  - QueryLocator
```
public QueryLocator()
```
    Generates the random initial value for the round robin counter used. This will generate a random number between 0 and 1023 which is probably enough distribution to not make all queries hit the same first server all the time.
- Method Detail
  - locateAndDispatch
```
public void locateAndDispatch(CouchbaseRequest request,
                              List<Node> nodes,
                              ClusterConfig config,
                              CoreEnvironment env,
                              com.lmax.disruptor.RingBuffer<ResponseEvent> responseBuffer)
```
    Description copied from interface: Locator
    
    Given with the environment and node information, the implementation locates the right set of nodes and dispatches the request into them.
    
    Specified by:
    
    locateAndDispatch in interface Locator
    
    Parameters:
    
    request - the request to dispatch.
    
    nodes - the current list of active nodes.
    
    config - the current cluster configuration.
    
    env - the core environment.
    
    responseBuffer - the response buffer for potential redistribution.
  - checkNode
```
protected boolean checkNode(Node node)
```