XSiteStateProvider (Red Hat Data Grid 7.3.9 API)

All Known Implementing Classes:

XSiteStateProviderImpl
```
public interface XSiteStateProvider
```
It contains the logic to send state to another site.

Since:

7.0

Author:

Pedro Ruivo

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`cancelStateTransfer(String siteName)`	It cancels the state transfer for the remote site.
`Collection<String>`	`getCurrentStateSending()`
`Collection<String>`	`getSitesMissingCoordinator(Collection<Address> currentMembers)`
`void`	`startStateTransfer(String siteName, Address requestor, int minTopologyId)`	It notifies this node to start sending state to the remote site.

- Method Detail
  - startStateTransfer
```
void startStateTransfer(String siteName,
                        Address requestor,
                        int minTopologyId)
```
    It notifies this node to start sending state to the remote site. Also, it should keep information about which node requested the state transfer in order to send back the notification when finishes.
    
    Parameters:
    
    siteName - the remote site name.
    
    requestor - the requestor.
    
    minTopologyId - the topology id to wait before start sending the state.
  - cancelStateTransfer
```
void cancelStateTransfer(String siteName)
```
    It cancels the state transfer for the remote site. If no state transfer is available, it should do nothing.
    
    Parameters:
    
    siteName - the remote site name.
  - getCurrentStateSending
```
Collection<String> getCurrentStateSending()
```
    Returns:
    
    a site name collection with the sites in which this cache is sending state.
  - getSitesMissingCoordinator
```
Collection<String> getSitesMissingCoordinator(Collection<Address> currentMembers)
```
    Returns:
    
    a site name collection with sites in which the coordinator is not in the currentMembers.