-
Notifications
You must be signed in to change notification settings - Fork 68
/
Cqld4DriverContext.java
58 lines (49 loc) · 2.26 KB
/
Cqld4DriverContext.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
/*
* Copyright (c) 2024 nosqlbench
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.nosqlbench.adapter.cqld4.wrapper;
import com.datastax.oss.driver.api.core.config.DriverConfigLoader;
import com.datastax.oss.driver.api.core.context.DriverContext;
import com.datastax.oss.driver.api.core.loadbalancing.LoadBalancingPolicy;
import com.datastax.oss.driver.api.core.session.ProgrammaticArguments;
import com.datastax.oss.driver.internal.core.context.DefaultDriverContext;
import org.jetbrains.annotations.NotNull;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class Cqld4DriverContext extends DefaultDriverContext {
private DriverContext delegate;
ConcurrentHashMap<String,LoadBalancingPolicy> wrappedPolicies = new ConcurrentHashMap<>();
private NodeSummary summarizer;
public Cqld4DriverContext(DriverConfigLoader configLoader, ProgrammaticArguments programmaticArguments) {
super(configLoader, programmaticArguments);
}
@NotNull
@Override
public Map<String, LoadBalancingPolicy> getLoadBalancingPolicies() {
Map<String, LoadBalancingPolicy> loadBalancingPolicies = super.getLoadBalancingPolicies();
for (String profileName : loadBalancingPolicies.keySet()) {
wrappedPolicies.computeIfAbsent(profileName,s -> wrapPolicy(loadBalancingPolicies.get(profileName),this.summarizer));
}
return Collections.unmodifiableMap(wrappedPolicies);
}
private LoadBalancingPolicy wrapPolicy(LoadBalancingPolicy wrapped, NodeSummary summarizer) {
return new Cqld4LoadBalancerObserver(wrapped, summarizer);
}
public DriverContext setSummarizer(NodeSummary summarizer) {
this.summarizer = summarizer;
return this;
}
}