/**
* Copyright (C) 2014 Couchbase, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING
* IN THE SOFTWARE.
*/
package com.couchbase.client.core.node.locate;
import com.couchbase.client.core.config.ClusterConfig;
import com.couchbase.client.core.message.CouchbaseRequest;
import com.couchbase.client.core.message.config.BucketConfigRequest;
import com.couchbase.client.core.message.config.BucketStreamingRequest;
import com.couchbase.client.core.message.config.BucketsConfigRequest;
import com.couchbase.client.core.message.config.ClusterConfigRequest;
import com.couchbase.client.core.message.config.FlushRequest;
import com.couchbase.client.core.message.config.GetDesignDocumentsRequest;
import com.couchbase.client.core.node.Node;
import java.net.InetAddress;
import java.util.Set;
public class ConfigLocator implements Locator {
private long counter = 0;
@Override
public Node[] locate(final CouchbaseRequest request, final Set<Node> nodes, final ClusterConfig config) {
if (request instanceof BucketConfigRequest) {
BucketConfigRequest req = (BucketConfigRequest) request;
InetAddress hostname = req.hostname();
for (Node node : nodes) {
if (hostname == null || node.hostname().equals(hostname)) {
return new Node[]{node};
}
}
} else {
int item = (int) counter % nodes.size();
int i = 0;
for (Node node : nodes) {
if (i++ == item) {
return new Node[] { node };
}
}
}
return new Node[0];
}
}