org.apache.druid.query

Class DirectQueryProcessingPool

java.lang.Object

com.google.common.collect.ForwardingObject

com.google.common.util.concurrent.ForwardingExecutorService

com.google.common.util.concurrent.ForwardingListeningExecutorService

org.apache.druid.query.DirectQueryProcessingPool

All Implemented Interfaces:

com.google.common.util.concurrent.ListeningExecutorService, Executor, ExecutorService, QueryProcessingPool

public class DirectQueryProcessingPool
extends com.google.common.util.concurrent.ForwardingListeningExecutorService
implements QueryProcessingPool

QueryProcessingPool wrapper over Execs.directExecutor()

Field Summary

Fields

Modifier and Type	Field and Description
static DirectQueryProcessingPool	INSTANCE

Method Summary

Modifier and Type	Method and Description
com.google.common.util.concurrent.ListeningExecutorService	delegate()
<T,V> com.google.common.util.concurrent.ListenableFuture<T>	submitRunnerTask(PrioritizedQueryRunnerCallable<T,V> task) Submits the query execution unit task for asynchronous execution.

Methods inherited from class com.google.common.util.concurrent.ForwardingListeningExecutorService

submit, submit, submit

Methods inherited from class com.google.common.util.concurrent.ForwardingExecutorService

awaitTermination, execute, invokeAll, invokeAll, invokeAny, invokeAny, isShutdown, isTerminated, shutdown, shutdownNow

Methods inherited from class com.google.common.collect.ForwardingObject

toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.util.concurrent.ListeningExecutorService

invokeAll, invokeAll, submit, submit, submit

Methods inherited from interface java.util.concurrent.ExecutorService

awaitTermination, invokeAny, invokeAny, isShutdown, isTerminated, shutdown, shutdownNow

Methods inherited from interface java.util.concurrent.Executor

execute

Field Detail

INSTANCE

public static DirectQueryProcessingPool INSTANCE

Method Detail

submitRunnerTask

public <T,V> com.google.common.util.concurrent.ListenableFuture<T> submitRunnerTask(PrioritizedQueryRunnerCallable<T,V> task)

Description copied from interface: QueryProcessingPool

Submits the query execution unit task for asynchronous execution.

Specified by:

submitRunnerTask in interface QueryProcessingPool

Type Parameters:

T - - Task result type

V - - Query runner sequence type

Parameters:

task - - Task to be submitted.

Returns:

- Future object for tracking the task completion.

delegate

public com.google.common.util.concurrent.ListeningExecutorService delegate()

Overrides:

delegate in class com.google.common.util.concurrent.ForwardingListeningExecutorService