DiscoCache (Ignite 2.7.5)

java.lang.Object
- org.apache.ignite.internal.managers.discovery.DiscoCache

```
public class DiscoCache
extends Object
```

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`alive(UUID nodeId)`
`Collection<ClusterNode>`	`aliveBaselineNodes()` Returns a collection of live baseline nodes.
`Collection<ClusterNode>`	`aliveServerNodes()` Gets collection of server nodes with at least one cache configured.
`List<ClusterNode>`	`allNodes()`
`boolean`	`baselineNode(ClusterNode node)`
`boolean`	`baselineNode(UUID nodeId)`
`List<? extends BaselineNode>`	`baselineNodes()` Returns a collection of baseline nodes.
`List<ClusterNode>`	`cacheGroupAffinityNodes(int grpId)`
`List<ClusterNode>`	`cacheNodes(Integer cacheId)` Gets all nodes that have cache with given ID.
`List<ClusterNode>`	`cacheNodes(String cacheName)` Gets all nodes that have cache with given name.
`<T> boolean`	`checkAttribute(String name, T expVal)` Returns `True` if all nodes has the given attribute and its value equals to `expVal`.
`Map<UUID,Short>`	`consistentIdMap()`
`DiscoCache`	`copy(AffinityTopologyVersion ver, DiscoveryDataClusterState state)`
`List<ClusterNode>`	`daemonNodes()`
`ClusterNode`	`localNode()`
`IgniteProductVersion`	`minimumNodeVersion()`
`IgniteProductVersion`	`minimumServerNodeVersion()`
`MvccCoordinator`	`mvccCoordinator()`
`ClusterNode`	`node(UUID id)`
`Map<Short,UUID>`	`nodeIdMap()`
`ClusterNode`	`oldestAliveServerNode()`
`ClusterNode`	`oldestServerNode()`
`Collection<ClusterNode>`	`remoteAliveNodesWithCaches()` Gets all alive remote nodes that have at least one cache configured.
`List<ClusterNode>`	`remoteNodes()`
`ClusterNode`	`serverNodeByOrder(long order)`
`List<ClusterNode>`	`serverNodes()`
`DiscoveryDataClusterState`	`state()`
`String`	`toString()`
`void`	`updateAlives(ClusterNode rmvd)` Removes left node from alives lists.
`void`	`updateAlives(GridDiscoveryManager discovery)` Removes left nodes from cached alives lists.
`AffinityTopologyVersion`	`version()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Method Detail
  - mvccCoordinator
```
@Nullable
public MvccCoordinator mvccCoordinator()
```
    Returns:
    
    Mvcc coordinator node.
  - version
```
public AffinityTopologyVersion version()
```
    Returns:
    
    Topology version.
  - minimumNodeVersion
```
public IgniteProductVersion minimumNodeVersion()
```
    Returns:
    
    Minimum node version.
  - minimumServerNodeVersion
```
public IgniteProductVersion minimumServerNodeVersion()
```
    Returns:
    
    Minimum server node version.
  - state
```
public DiscoveryDataClusterState state()
```
    Returns:
    
    Current cluster state.
  - localNode
```
public ClusterNode localNode()
```
    Returns:
    
    Local node.
  - remoteNodes
```
public List<ClusterNode> remoteNodes()
```
    Returns:
    
    Remote nodes.
  - baselineNodes
```
@Nullable
public List<? extends BaselineNode> baselineNodes()
```
    Returns a collection of baseline nodes.
    
    Returns:
    
    A collection of baseline nodes or null if baseline topology was not set.
  - baselineNode
```
public boolean baselineNode(UUID nodeId)
```
    Parameters:
    
    nodeId - Node ID to check.
    
    Returns:
    
    True if baseline is not set or the node is in the baseline topology.
  - allNodes
```
public List<ClusterNode> allNodes()
```
    Returns:
    
    All nodes.
  - serverNodes
```
public List<ClusterNode> serverNodes()
```
    Returns:
    
    Server nodes.
  - daemonNodes
```
public List<ClusterNode> daemonNodes()
```
    Returns:
    
    Daemon nodes.
  - consistentIdMap
```
public Map<UUID,Short> consistentIdMap()
```
    Returns:
    
    Consistent id map UUID -> Short (compacted consistent id).
  - nodeIdMap
```
public Map<Short,UUID> nodeIdMap()
```
    Returns:
    
    Consistent id map Short (compacted consistent id) -> UUID.
  - remoteAliveNodesWithCaches
```
public Collection<ClusterNode> remoteAliveNodesWithCaches()
```
    Gets all alive remote nodes that have at least one cache configured.
    
    Returns:
    
    Collection of nodes.
  - aliveServerNodes
```
public Collection<ClusterNode> aliveServerNodes()
```
    Gets collection of server nodes with at least one cache configured.
    
    Returns:
    
    Collection of nodes.
  - aliveBaselineNodes
```
@Nullable
public Collection<ClusterNode> aliveBaselineNodes()
```
    Returns a collection of live baseline nodes.
    
    Returns:
    
    A view of baseline nodes that are currently present in the cluster or null if baseline topology was not set.
  - baselineNode
```
public boolean baselineNode(ClusterNode node)
```
    Parameters:
    
    node - Node to check.
    
    Returns:
    
    True if the node is in baseline or if baseline is not set.
  - oldestAliveServerNode
```
@Nullable
public ClusterNode oldestAliveServerNode()
```
    Returns:
    
    Oldest alive server node.
  - oldestServerNode
```
@Nullable
public ClusterNode oldestServerNode()
```
    Returns:
    
    Oldest server node.
  - alive
```
public boolean alive(UUID nodeId)
```
    Parameters:
    
    nodeId - Node ID.
    
    Returns:
    
    True if node is in alives list.
  - cacheNodes
```
public List<ClusterNode> cacheNodes(@Nullable
                                    String cacheName)
```
    Gets all nodes that have cache with given name.
    
    Parameters:
    
    cacheName - Cache name.
    
    Returns:
    
    Collection of nodes.
  - cacheNodes
```
public List<ClusterNode> cacheNodes(Integer cacheId)
```
    Gets all nodes that have cache with given ID.
    
    Parameters:
    
    cacheId - Cache ID.
    
    Returns:
    
    Collection of nodes.
  - cacheGroupAffinityNodes
```
public List<ClusterNode> cacheGroupAffinityNodes(int grpId)
```
    Parameters:
    
    grpId - Cache group ID.
    
    Returns:
    
    All nodes that participate in affinity calculation.
  - node
```
@Nullable
public ClusterNode node(UUID id)
```
    Parameters:
    
    id - Node ID.
    
    Returns:
    
    Node.
  - updateAlives
```
public void updateAlives(ClusterNode rmvd)
```
    Removes left node from alives lists.
    
    Parameters:
    
    rmvd - Removed node.
  - updateAlives
```
public void updateAlives(GridDiscoveryManager discovery)
```
    Removes left nodes from cached alives lists.
    
    Parameters:
    
    discovery - Discovery manager.
  - serverNodeByOrder
```
@Nullable
public ClusterNode serverNodeByOrder(long order)
```
    Parameters:
    
    order - Order.
    
    Returns:
    
    Server node instance.
  - checkAttribute
```
public <T> boolean checkAttribute(String name,
                                  T expVal)
```
    Returns True if all nodes has the given attribute and its value equals to expVal.
    
    Type Parameters:
    
    T - Attribute Type.
    
    Parameters:
    
    name - Attribute name.
    
    expVal - Expected value.
    
    Returns:
    
    True if all the given nodes has the given attribute and its value equals to expVal.
  - copy
```
public DiscoCache copy(AffinityTopologyVersion ver,
                       @Nullable
                       DiscoveryDataClusterState state)
```
    Parameters:
    
    ver - Topology version.
    
    state - Not null state if need override state, otherwise current state is used.
    
    Returns:
    
    Copy of discovery cache with new version.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class DiscoCache

Method Summary

Methods inherited from class java.lang.Object

Method Detail

mvccCoordinator

version

minimumNodeVersion

minimumServerNodeVersion

state

localNode

remoteNodes

baselineNodes

baselineNode

allNodes

serverNodes

daemonNodes

consistentIdMap

nodeIdMap

remoteAliveNodesWithCaches

aliveServerNodes

aliveBaselineNodes

baselineNode

oldestAliveServerNode

oldestServerNode

alive

cacheNodes

cacheNodes

cacheGroupAffinityNodes

node

updateAlives

updateAlives

serverNodeByOrder

checkAttribute

copy

toString