com.datastax.oss.driver.internal.core.config.composite.CompositeDriverConfig Maven / Gradle / Ivy
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* to you 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
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package com.datastax.oss.driver.internal.core.config.composite;
import com.datastax.oss.driver.api.core.config.DriverConfig;
import com.datastax.oss.driver.api.core.config.DriverExecutionProfile;
import com.datastax.oss.driver.shaded.guava.common.collect.Sets;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.util.Collections;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
public class CompositeDriverConfig implements DriverConfig {
private final DriverConfig primaryConfig;
private final DriverConfig fallbackConfig;
private final Map profiles = new ConcurrentHashMap<>();
public CompositeDriverConfig(
@NonNull DriverConfig primaryConfig, @NonNull DriverConfig fallbackConfig) {
this.primaryConfig = Objects.requireNonNull(primaryConfig);
this.fallbackConfig = Objects.requireNonNull(fallbackConfig);
}
@NonNull
@Override
public DriverExecutionProfile getProfile(@NonNull String profileName) {
return profiles.compute(
profileName,
(k, v) ->
(v == null)
? new CompositeDriverExecutionProfile(primaryConfig, fallbackConfig, profileName)
: v.refresh());
}
@NonNull
@Override
public Map getProfiles() {
// The map is updated lazily, if we want all the profiles we need to fetch them explicitly
for (String name :
Sets.union(primaryConfig.getProfiles().keySet(), fallbackConfig.getProfiles().keySet())) {
getProfile(name);
}
return Collections.unmodifiableMap(profiles);
}
}