com.redhat.devtools.intellij.common.utils

Class HighSensitivityRegistrar

java.lang.Object

com.redhat.devtools.intellij.common.utils.HighSensitivityRegistrar

public class HighSensitivityRegistrar
extends java.lang.Object

A class that allows testing and grabbing SensitivityWatchEventModifier#HIGH reflectively. This allows the code to run in jdks where it does not exists (ex. IBM, etc.). SensitivityWatchEventModifier#HIGH is required for the WatchService to work ~reliably on MacOS where no native hooks but polling is used.

See Also:

"https://bugs.openjdk.java.net/browse/JDK-7133447", "https://stackoverflow.com/questions/9588737/is-java-7-watchservice-slow-for-anyone-else"

Constructor Summary

Constructors

Constructor and Description
HighSensitivityRegistrar()

Method Summary

Modifier and Type	Method and Description
boolean	exists()
java.nio.file.WatchEvent.Modifier	get() Returns the SensitivityWatchEventModifier#HIGH if it exists (on sun jvms or openjdk), null otherwise.
protected java.lang.Class<java.nio.file.WatchEvent.Modifier>	getSensitivityWatchEventModifierClass() for testing purposes
protected boolean	isMac() for testing purposes
boolean	isRequired()
void	registerService(java.nio.file.Path path, java.nio.file.WatchEvent.Kind<java.nio.file.Path>[] kinds, java.nio.file.WatchService service)

Methods inherited from class java.lang.Object

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

Constructor Detail

HighSensitivityRegistrar

public HighSensitivityRegistrar()

Method Detail

isRequired

public boolean isRequired()

isMac

protected boolean isMac()

for testing purposes

exists

public boolean exists()

get

public java.nio.file.WatchEvent.Modifier get()

Returns the SensitivityWatchEventModifier#HIGH if it exists (on sun jvms or openjdk), null otherwise.

Returns:

registerService

public void registerService(java.nio.file.Path path,
                            java.nio.file.WatchEvent.Kind<java.nio.file.Path>[] kinds,
                            java.nio.file.WatchService service)
                     throws java.io.IOException

Throws:

java.io.IOException

getSensitivityWatchEventModifierClass

protected java.lang.Class<java.nio.file.WatchEvent.Modifier> getSensitivityWatchEventModifierClass()
                                                                                            throws java.lang.ClassNotFoundException

for testing purposes

Throws:

java.lang.ClassNotFoundException