import org.apache.cassandra.utils.SortedBiMultiValMap; //导入依赖的package包/类
/**
 * Create a copy of TokenMetadata with only tokenToEndpointMap. That is, pending ranges,
 * bootstrap tokens and leaving endpoints are not included in the copy.
 */
public TokenMetadata cloneOnlyTokenMap()
{
    lock.readLock().lock();
    try
    {
        return new TokenMetadata(SortedBiMultiValMap.create(tokenToEndpointMap, null, inetaddressCmp),
                                 HashBiMap.create(endpointToHostIdMap),
                                 new Topology(topology),
                                 partitioner);
    }
    finally
    {
        lock.readLock().unlock();
    }
}
 

import org.apache.cassandra.utils.SortedBiMultiValMap; //导入依赖的package包/类
/**
 * Create a copy of TokenMetadata with only tokenToEndpointMap. That is, pending ranges,
 * bootstrap tokens and leaving endpoints are not included in the copy.
 */
public TokenMetadata cloneOnlyTokenMap()
{
    lock.readLock().lock();
    try
    {
        return new TokenMetadata(SortedBiMultiValMap.<Token, InetAddress>create(tokenToEndpointMap, null, inetaddressCmp),
                                 HashBiMap.create(endpointToHostIdMap),
                                 new Topology(topology));
    }
    finally
    {
        lock.readLock().unlock();
    }
}
 

import org.apache.cassandra.utils.SortedBiMultiValMap; //导入依赖的package包/类
public TokenMetadata()
{
    this(SortedBiMultiValMap.<Token, InetAddress>create(null, inetaddressCmp),
         HashBiMap.<InetAddress, UUID>create(),
         new Topology(),
         DatabaseDescriptor.getPartitioner());
}
 

import org.apache.cassandra.utils.SortedBiMultiValMap; //导入依赖的package包/类
public TokenMetadata()
{
    this(SortedBiMultiValMap.<Token, InetAddress>create(null, inetaddressCmp),
         HashBiMap.<InetAddress, UUID>create(),
         new Topology());
}