org.janusgraph.diskstorage.util.backpressure

Class PassAllQueryBackPressure

java.lang.Object

org.janusgraph.diskstorage.util.backpressure.PassAllQueryBackPressure

All Implemented Interfaces:

QueryBackPressure

public class PassAllQueryBackPressure
extends Object
implements QueryBackPressure

Query back pressure implementation to pass all acquires and releases

Constructor Summary

Constructors

Constructor and Description
PassAllQueryBackPressure()

Method Summary

Modifier and Type	Method and Description
void	acquireBeforeQuery() Acquires one slot.
void	close() Releases any resources related to the back pressure mechanism.
void	releaseAfterQuery() Releases one slot in non-blocking fashion.

Methods inherited from class java.lang.Object

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

Constructor Detail

PassAllQueryBackPressure

public PassAllQueryBackPressure()

Method Detail

acquireBeforeQuery

public void acquireBeforeQuery()

Description copied from interface: QueryBackPressure

Acquires one slot. If not slots are available then this method will be blocked until a slot is available.

Specified by:

acquireBeforeQuery in interface QueryBackPressure

releaseAfterQuery

public void releaseAfterQuery()

Description copied from interface: QueryBackPressure

Releases one slot in non-blocking fashion. The successful execution of this method doesn't mean that the release is happened. Instead, execution of this method guarantees that the release will happen.

Specified by:

releaseAfterQuery in interface QueryBackPressure

close

public void close()

Description copied from interface: QueryBackPressure

Releases any resources related to the back pressure mechanism. Makes this instance unusable after that.

Specified by:

close in interface QueryBackPressure