ConcurrentTrsProviderHandler (Lyo :: _Parent 5.0.0.Final API)

java.lang.Object
- org.eclipse.lyo.trs.client.handlers.ConcurrentTrsProviderHandler

All Implemented Interfaces:

IProviderHandler
```
public class ConcurrentTrsProviderHandler
extends Object
implements IProviderHandler
```
Specialization fothe TRS provider class which supports multithreading when it comes to the processing of the base members and the change events. Additionally, processes the sparql updates as a single transaction. In case the sparql update transaction is not successful, then the indexing of the base members is restarted all over again

Author:

Omar

Constructor Summary

Constructors
Constructor	Description
`ConcurrentTrsProviderHandler(URI trsUriBase, ITrackedResourceClient trsClient, IProviderEventHandler handler)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`fetchRemoteChangeLogs(ChangeLog currentChangeLog, List<ChangeLog> changeLogs)`	Request the pages of the change log from the TRS provider sequentially through the traversal of the paging information until the last processed change event is found.
`void`	`update()`

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

- Constructor Detail
  - ConcurrentTrsProviderHandler
```
public ConcurrentTrsProviderHandler(URI trsUriBase,
                                    ITrackedResourceClient trsClient,
                                    IProviderEventHandler handler)
```
- Method Detail
  - update
```
public void update()
```
    Specified by:
    
    update in interface IProviderHandler
  - fetchRemoteChangeLogs
```
public boolean fetchRemoteChangeLogs(ChangeLog currentChangeLog,
                                     List<ChangeLog> changeLogs)
```
    Request the pages of the change log from the TRS provider sequentially through the traversal of the paging information until the last processed change event is found. Add the fetched change logs to the changeLogs argument. In case the last processed change event is found true is returned otherwise false is returned
    
    Parameters:
    
    currentChangeLog - the first change log from which the next page will be retrieved to retrieve the other pages of the change log
    
    changeLogs - the list of change logs which will be filled with the pages of the change log
    
    Returns:
    
    true if the last processed change event is found, false otherwise