Package org.apache.jackrabbit.oak.plugins.document.check

Class NodeCounter

java.lang.Object

org.apache.jackrabbit.oak.plugins.document.check.AsyncDocumentProcessor

org.apache.jackrabbit.oak.plugins.document.check.AsyncNodeStateProcessor

org.apache.jackrabbit.oak.plugins.document.check.NodeCounter

All Implemented Interfaces:

DocumentProcessor

public class NodeCounter
extends AsyncNodeStateProcessor

Count documents and nodes that exist.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.jackrabbit.oak.plugins.document.check.AsyncNodeStateProcessor

AsyncNodeStateProcessor.NodeStateTask

Field Summary

Fields inherited from class org.apache.jackrabbit.oak.plugins.document.check.AsyncNodeStateProcessor

headRevision, ns, uuidIndex

Constructor Summary

Constructors

Constructor	Description
NodeCounter(DocumentNodeStore ns, RevisionVector headRevision, java.util.concurrent.ExecutorService executorService)

Method Summary

Modifier and Type	Method	Description
void	end(@NotNull java.util.concurrent.BlockingQueue<Result> results)	This method is called after the last document has been processed.
protected void	runTask(@NotNull Path path, @Nullable NodeState state, @NotNull java.util.function.Consumer<Result> resultConsumer)	Responsibility of the subclass to implement the processor logic.

Methods inherited from class org.apache.jackrabbit.oak.plugins.document.check.AsyncNodeStateProcessor

createTask, getNodeByUUID, process

Methods inherited from class org.apache.jackrabbit.oak.plugins.document.check.AsyncDocumentProcessor

processDocument

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NodeCounter

public NodeCounter(DocumentNodeStore ns,
                   RevisionVector headRevision,
                   java.util.concurrent.ExecutorService executorService)

Method Detail

runTask

protected void runTask(@NotNull
                       @NotNull Path path,
                       @Nullable
                       @Nullable NodeState state,
                       @NotNull
                       @NotNull java.util.function.Consumer<Result> resultConsumer)

Description copied from class: AsyncNodeStateProcessor

Responsibility of the subclass to implement the processor logic. This method will run as a task with an executor service.

Specified by:

runTask in class AsyncNodeStateProcessor

Parameters:

path - the path of the NodeState to process.

state - the NodeState or null if the node does not exist at this path. This may happen for nodes that have been deleted but not yet garbage collected.

resultConsumer - consumes the results of this task.

end

public void end(@NotNull
                @NotNull java.util.concurrent.BlockingQueue<Result> results)
         throws java.lang.InterruptedException

Description copied from interface: DocumentProcessor

This method is called after the last document has been processed. An implementation may wish to publish aggregated results at the end.

Parameters:

results - the queue to publish results if necessary.

Throws:

java.lang.InterruptedException - if publishing a result is interrupted.