本文整理汇总了Java中org.apache.cassandra.locator.TokenMetadata.sortedTokens方法的典型用法代码示例。如果您正苦于以下问题：Java TokenMetadata.sortedTokens方法的具体用法？Java TokenMetadata.sortedTokens怎么用？Java TokenMetadata.sortedTokens使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.cassandra.locator.TokenMetadata的用法示例。
在下文中一共展示了TokenMetadata.sortedTokens方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getPrimaryRangesForEndpoint
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
/**
* Get the "primary ranges" for the specified keyspace and endpoint.
* "Primary ranges" are the ranges that the node is responsible for storing replica primarily.
* The node that stores replica primarily is defined as the first node returned
* by {@link AbstractReplicationStrategy#calculateNaturalEndpoints}.
*
* @param keyspace Keyspace name to check primary ranges
* @param ep endpoint we are interested in.
* @return primary ranges for the specified endpoint.
*/
public Collection<Range<Token>> getPrimaryRangesForEndpoint(String keyspace, InetAddress ep)
{
AbstractReplicationStrategy strategy = Keyspace.open(keyspace).getReplicationStrategy();
Collection<Range<Token>> primaryRanges = new HashSet<>();
TokenMetadata metadata = tokenMetadata.cloneOnlyTokenMap();
for (Token token : metadata.sortedTokens())
{
List<InetAddress> endpoints = strategy.calculateNaturalEndpoints(token, metadata);
if (endpoints.size() > 0 && endpoints.get(0).equals(ep))
primaryRanges.add(new Range<>(metadata.getPredecessor(token), token));
}
return primaryRanges;
}
示例2: getPrimaryRangeForEndpointWithinDC
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
/**
* Get the "primary ranges" within local DC for the specified keyspace and endpoint.
*
* @see #getPrimaryRangesForEndpoint(String, java.net.InetAddress)
* @param keyspace Keyspace name to check primary ranges
* @param referenceEndpoint endpoint we are interested in.
* @return primary ranges within local DC for the specified endpoint.
*/
public Collection<Range<Token>> getPrimaryRangeForEndpointWithinDC(String keyspace, InetAddress referenceEndpoint)
{
TokenMetadata metadata = tokenMetadata.cloneOnlyTokenMap();
String localDC = DatabaseDescriptor.getEndpointSnitch().getDatacenter(referenceEndpoint);
Collection<InetAddress> localDcNodes = metadata.getTopology().getDatacenterEndpoints().get(localDC);
AbstractReplicationStrategy strategy = Keyspace.open(keyspace).getReplicationStrategy();
Collection<Range<Token>> localDCPrimaryRanges = new HashSet<>();
for (Token token : metadata.sortedTokens())
{
List<InetAddress> endpoints = strategy.calculateNaturalEndpoints(token, metadata);
for (InetAddress endpoint : endpoints)
{
if (localDcNodes.contains(endpoint))
{
if (endpoint.equals(referenceEndpoint))
{
localDCPrimaryRanges.add(new Range<>(metadata.getPredecessor(token), token));
}
break;
}
}
}
return localDCPrimaryRanges;
}
示例3: beforeClass
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
@BeforeClass
public static void beforeClass() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
tmd.updateNormalToken(token(ONE), InetAddress.getByName("127.0.0.1"));
tmd.updateNormalToken(token(SIX), InetAddress.getByName("127.0.0.6"));
RING = tmd.sortedTokens();
}