com.caoccao.javet.interop.engine

Class JavetEngine<R extends V8Runtime>

java.lang.Object

com.caoccao.javet.interop.engine.JavetEngine<R>

Type Parameters:

R - the type parameter

All Implemented Interfaces:

IJavetClosable, IJavetEngine<R>, java.lang.AutoCloseable

public class JavetEngine<R extends V8Runtime>
extends java.lang.Object
implements IJavetEngine<R>

The type Javet engine.

Since:

0.7.0

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	active The Active.
protected IJavetEnginePool<R>	iJavetEnginePool The Javet engine pool.
protected int	index The Index.
protected JavetEngineUsage	usage The Usage.
protected R	v8Runtime The V8 runtime.

Constructor Summary

Constructors

Constructor and Description
JavetEngine(IJavetEnginePool<R> iJavetEnginePool, R v8Runtime) Instantiates a new Javet engine.

Method Summary

Modifier and Type	Method and Description
void	close()
protected void	close(boolean forceClose) Close.
JavetEngineConfig	getConfig() Gets config.
V8Guard	getGuard() Gets guard.
V8Guard	getGuard(long timeoutMillis) Gets guard.
int	getIndex() Gets index.
protected JavetEngineUsage	getUsage() Gets usage.
protected java.time.ZonedDateTime	getUTCNow() Gets UTC now.
R	getV8Runtime() Gets V8 runtime.
boolean	isActive() Is active boolean.
boolean	isClosed() Is closed.
void	resetContext() Reset context.
void	resetIsolate() Reset isolate.
void	sendGCNotification() Send GC notification.
protected void	setActive(boolean active) Sets active.
protected void	touchLastActiveZonedDateTime() Touch last active zoned date time.

Methods inherited from class java.lang.Object

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

Field Detail

active

protected volatile boolean active

The Active.

Since:

0.7.0

iJavetEnginePool

protected IJavetEnginePool<R extends V8Runtime> iJavetEnginePool

The Javet engine pool.

Since:

0.7.0

index

protected int index

The Index.

Since:

1.0.5

usage

protected JavetEngineUsage usage

The Usage.

Since:

0.7.0

v8Runtime

protected R extends V8Runtime v8Runtime

The V8 runtime.

Since:

0.7.0

Constructor Detail

JavetEngine

public JavetEngine(IJavetEnginePool<R> iJavetEnginePool,
                   R v8Runtime)

Instantiates a new Javet engine.

Parameters:

iJavetEnginePool - the javet engine pool

v8Runtime - the V8 runtime

Since:

0.7.0

Method Detail

close

public void close()
           throws JavetException

Specified by:

close in interface IJavetClosable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

JavetException

close

protected void close(boolean forceClose)
              throws JavetException

Close.

Parameters:

forceClose - the force close

Throws:

JavetException - the javet exception

Since:

0.7.0

getConfig

public JavetEngineConfig getConfig()

Description copied from interface: IJavetEngine

Gets config.

Specified by:

getConfig in interface IJavetEngine<R extends V8Runtime>

Returns:

the config

getGuard

@CheckReturnValue
public V8Guard getGuard()

Description copied from interface: IJavetEngine

Gets guard.

Specified by:

getGuard in interface IJavetEngine<R extends V8Runtime>

Returns:

the guard

getGuard

@CheckReturnValue
public V8Guard getGuard(long timeoutMillis)

Description copied from interface: IJavetEngine

Gets guard.

Specified by:

getGuard in interface IJavetEngine<R extends V8Runtime>

Parameters:

timeoutMillis - the timeout millis

Returns:

the guard

getIndex

public int getIndex()

Gets index.

Returns:

the index

Since:

1.0.5

getUTCNow

protected java.time.ZonedDateTime getUTCNow()

Gets UTC now. It's designed for mocking the time in test scenario.

Returns:

the UTC now

Since:

0.9.1

getUsage

protected JavetEngineUsage getUsage()

Gets usage.

Returns:

the usage

Since:

0.7.0

getV8Runtime

public R getV8Runtime()
               throws JavetException

Description copied from interface: IJavetEngine

Gets V8 runtime.

Specified by:

getV8Runtime in interface IJavetEngine<R extends V8Runtime>

Returns:

the V8 runtime

Throws:

JavetException - the javet exception

isActive

public boolean isActive()

Description copied from interface: IJavetEngine

Is active boolean.

Specified by:

isActive in interface IJavetEngine<R extends V8Runtime>

Returns:

true : active, false : inactive

isClosed

public boolean isClosed()

Description copied from interface: IJavetClosable

Is closed.

Specified by:

isClosed in interface IJavetClosable

Returns:

true : closed, false: not closed

resetContext

public void resetContext()
                  throws JavetException

Description copied from interface: IJavetEngine

Reset context.

Specified by:

resetContext in interface IJavetEngine<R extends V8Runtime>

Throws:

JavetException - the javet exception

resetIsolate

public void resetIsolate()
                  throws JavetException

Description copied from interface: IJavetEngine

Reset isolate.

Specified by:

resetIsolate in interface IJavetEngine<R extends V8Runtime>

Throws:

JavetException - the javet exception

sendGCNotification

public void sendGCNotification()

Description copied from interface: IJavetEngine

Send GC notification.

Specified by:

sendGCNotification in interface IJavetEngine<R extends V8Runtime>

setActive

protected void setActive(boolean active)

Sets active.

Parameters:

active - the active

Since:

0.7.0

touchLastActiveZonedDateTime

protected void touchLastActiveZonedDateTime()

Touch last active zoned date time.

Since:

0.9.1