package com.datastax.oss.driver.internal.core.metadata.token;
import com.datastax.oss.driver.api.core.metadata.Node;
import com.datastax.oss.driver.api.core.metadata.token.Token;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import net.jcip.annotations.ThreadSafe;
@ThreadSafe
class LocalReplicationStrategy implements ReplicationStrategy {
@Override
public Map<Token, Set<Node>> computeReplicasByToken(
Map<Token, Node> tokenToPrimary, List<Token> ring) {
ImmutableMap.Builder<Token, Set<Node>> result = ImmutableMap.builder();
for (Map.Entry<Token, Node> entry : tokenToPrimary.entrySet()) {
result.put(entry.getKey(), ImmutableSet.of(entry.getValue()));
}
return result.build();
}
}