本文整理汇总了Java中org.apache.cassandra.locator.TokenMetadata.Topology方法的典型用法代码示例。如果您正苦于以下问题:Java TokenMetadata.Topology方法的具体用法?Java TokenMetadata.Topology怎么用?Java TokenMetadata.Topology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.Topology方法的10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: getBatchlogEndpoints
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
private static Collection<InetAddress> getBatchlogEndpoints(String localDataCenter, ConsistencyLevel consistencyLevel)
throws UnavailableException
{
TokenMetadata.Topology topology = StorageService.instance.getTokenMetadata().cachedOnlyTokenMap().getTopology();
Multimap<String, InetAddress> localEndpoints = HashMultimap.create(topology.getDatacenterRacks().get(localDataCenter));
String localRack = DatabaseDescriptor.getEndpointSnitch().getRack(FBUtilities.getBroadcastAddress());
Collection<InetAddress> chosenEndpoints = new BatchlogManager.EndpointFilter(localRack, localEndpoints).filter();
if (chosenEndpoints.isEmpty())
{
if (consistencyLevel == ConsistencyLevel.ANY)
return Collections.singleton(FBUtilities.getBroadcastAddress());
throw new UnavailableException(ConsistencyLevel.ONE, 1, 0);
}
return chosenEndpoints;
}
示例2: testGetNeighborsPlusOneInLocalDC
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
@Test
public void testGetNeighborsPlusOneInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf+1 nodes, and ensure that all nodes are returned
Set<InetAddress> expected = addTokens(1 + Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(keyspaceName);
Set<InetAddress> neighbors = new HashSet<InetAddress>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(keyspaceName, range, Arrays.asList(DatabaseDescriptor.getLocalDataCenter()), null));
}
assertEquals(expected, neighbors);
}
示例3: testGetNeighborsPlusOneInLocalDC
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
@Test
public void testGetNeighborsPlusOneInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf+1 nodes, and ensure that all nodes are returned
Set<InetAddress> expected = addTokens(1 + Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(keyspaceName);
Set<InetAddress> neighbors = new HashSet<InetAddress>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(keyspaceName, range, true));
}
assertEquals(expected, neighbors);
}
示例4: testGetNeighborsPlusOneInLocalDC
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
@Test
public void testGetNeighborsPlusOneInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf+1 nodes, and ensure that all nodes are returned
Set<InetAddress> expected = addTokens(1 + Keyspace.open(KEYSPACE5).getReplicationStrategy().getReplicationFactor());
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(KEYSPACE5);
Set<InetAddress> neighbors = new HashSet<>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(KEYSPACE5, ranges, range, Arrays.asList(DatabaseDescriptor.getLocalDataCenter()), null));
}
assertEquals(expected, neighbors);
}
示例5: testGetNeighborsTimesTwoInLocalDC
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
@Test
public void testGetNeighborsTimesTwoInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the ARS are returned
addTokens(2 * Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(keyspaceName).getReplicationStrategy();
Set<InetAddress> expected = new HashSet<InetAddress>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(keyspaceName);
Set<InetAddress> neighbors = new HashSet<InetAddress>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(keyspaceName, range, Arrays.asList(DatabaseDescriptor.getLocalDataCenter()), null));
}
assertEquals(expected, neighbors);
}
示例6: getNeighbors
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
/**
* Return all of the neighbors with whom we share the provided range.
*
* @param keyspaceName keyspace to repair
* @param toRepair token to repair
* @param isLocal need to use only nodes from local datacenter
*
* @return neighbors with whom we share the provided range
*/
public static Set<InetAddress> getNeighbors(String keyspaceName, Range<Token> toRepair, boolean isLocal)
{
StorageService ss = StorageService.instance;
Map<Range<Token>, List<InetAddress>> replicaSets = ss.getRangeToAddressMap(keyspaceName);
Range<Token> rangeSuperSet = null;
for (Range<Token> range : ss.getLocalRanges(keyspaceName))
{
if (range.contains(toRepair))
{
rangeSuperSet = range;
break;
}
else if (range.intersects(toRepair))
{
throw new IllegalArgumentException("Requested range intersects a local range but is not fully contained in one; this would lead to imprecise repair");
}
}
if (rangeSuperSet == null || !replicaSets.containsKey(rangeSuperSet))
return Collections.emptySet();
Set<InetAddress> neighbors = new HashSet<>(replicaSets.get(rangeSuperSet));
neighbors.remove(FBUtilities.getBroadcastAddress());
if (isLocal)
{
TokenMetadata.Topology topology = ss.getTokenMetadata().cloneOnlyTokenMap().getTopology();
Set<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
return Sets.intersection(neighbors, localEndpoints);
}
return neighbors;
}
示例7: getBatchlogEndpoints
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
private static Collection<InetAddress> getBatchlogEndpoints(String localDataCenter, ConsistencyLevel consistencyLevel) throws UnavailableException
{
// will include every known node in the DC, including localhost.
TokenMetadata.Topology topology = StorageService.instance.getTokenMetadata().cloneOnlyTokenMap().getTopology();
Collection<InetAddress> localMembers = topology.getDatacenterEndpoints().get(localDataCenter);
// special case for single-node datacenters
if (localMembers.size() == 1)
return localMembers;
// not a single-node cluster - don't count the local node.
localMembers.remove(FBUtilities.getBroadcastAddress());
// include only alive nodes
List<InetAddress> candidates = new ArrayList<InetAddress>(localMembers.size());
for (InetAddress member : localMembers)
{
if (FailureDetector.instance.isAlive(member))
candidates.add(member);
}
if (candidates.isEmpty())
{
if (consistencyLevel == ConsistencyLevel.ANY)
return Collections.singleton(FBUtilities.getBroadcastAddress());
throw new UnavailableException(ConsistencyLevel.ONE, 1, 0);
}
if (candidates.size() > 2)
{
IEndpointSnitch snitch = DatabaseDescriptor.getEndpointSnitch();
snitch.sortByProximity(FBUtilities.getBroadcastAddress(), candidates);
candidates = candidates.subList(0, 2);
}
return candidates;
}
示例8: testGetNeighborsTimesTwoInLocalDC
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
@Test
public void testGetNeighborsTimesTwoInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the ARS are returned
addTokens(2 * Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(keyspaceName).getReplicationStrategy();
Set<InetAddress> expected = new HashSet<InetAddress>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(keyspaceName);
Set<InetAddress> neighbors = new HashSet<InetAddress>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(keyspaceName, range, true));
}
assertEquals(expected, neighbors);
}
示例9: testGetNeighborsTimesTwoInLocalDC
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
@Test
public void testGetNeighborsTimesTwoInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the ARS are returned
addTokens(2 * Keyspace.open(KEYSPACE5).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(KEYSPACE5).getReplicationStrategy();
Set<InetAddress> expected = new HashSet<>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(KEYSPACE5);
Set<InetAddress> neighbors = new HashSet<>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(KEYSPACE5, ranges, range, Arrays.asList(DatabaseDescriptor.getLocalDataCenter()), null));
}
assertEquals(expected, neighbors);
}
示例10: getNeighbors
import org.apache.cassandra.locator.TokenMetadata; //导入方法依赖的package包/类
/**
* Return all of the neighbors with whom we share the provided range.
*
* @param keyspaceName keyspace to repair
* @param toRepair token to repair
* @param dataCenters the data centers to involve in the repair
*
* @return neighbors with whom we share the provided range
*/
public static Set<InetAddress> getNeighbors(String keyspaceName, Range<Token> toRepair, Collection<String> dataCenters, Collection<String> hosts)
{
StorageService ss = StorageService.instance;
Map<Range<Token>, List<InetAddress>> replicaSets = ss.getRangeToAddressMap(keyspaceName);
Range<Token> rangeSuperSet = null;
for (Range<Token> range : ss.getLocalRanges(keyspaceName))
{
if (range.contains(toRepair))
{
rangeSuperSet = range;
break;
}
else if (range.intersects(toRepair))
{
throw new IllegalArgumentException("Requested range intersects a local range but is not fully contained in one; this would lead to imprecise repair");
}
}
if (rangeSuperSet == null || !replicaSets.containsKey(rangeSuperSet))
return Collections.emptySet();
Set<InetAddress> neighbors = new HashSet<>(replicaSets.get(rangeSuperSet));
neighbors.remove(FBUtilities.getBroadcastAddress());
if (dataCenters != null)
{
TokenMetadata.Topology topology = ss.getTokenMetadata().cloneOnlyTokenMap().getTopology();
Set<InetAddress> dcEndpoints = Sets.newHashSet();
Multimap<String,InetAddress> dcEndpointsMap = topology.getDatacenterEndpoints();
for (String dc : dataCenters)
{
Collection<InetAddress> c = dcEndpointsMap.get(dc);
if (c != null)
dcEndpoints.addAll(c);
}
return Sets.intersection(neighbors, dcEndpoints);
}
else if (hosts != null)
{
Set<InetAddress> specifiedHost = new HashSet<>();
for (final String host : hosts)
{
try
{
final InetAddress endpoint = InetAddress.getByName(host.trim());
if (endpoint.equals(FBUtilities.getBroadcastAddress()) || neighbors.contains(endpoint))
specifiedHost.add(endpoint);
}
catch (UnknownHostException e)
{
throw new IllegalArgumentException("Unknown host specified " + host, e);
}
}
if (!specifiedHost.contains(FBUtilities.getBroadcastAddress()))
throw new IllegalArgumentException("The current host must be part of the repair");
if (specifiedHost.size() <= 1)
{
String msg = "Repair requires at least two endpoints that are neighbours before it can continue, the endpoint used for this repair is %s, " +
"other available neighbours are %s but these neighbours were not part of the supplied list of hosts to use during the repair (%s).";
throw new IllegalArgumentException(String.format(msg, specifiedHost, neighbors, hosts));
}
specifiedHost.remove(FBUtilities.getBroadcastAddress());
return specifiedHost;
}
return neighbors;
}