com.caoccao.javet.values

Interface IV8Value

All Superinterfaces:

java.lang.AutoCloseable, IJavetClosable, IV8Cloneable

All Known Subinterfaces:

IV8Cacheable, IV8Context, IV8Module, IV8Script, IV8ValueArray, IV8ValueFunction, IV8ValueKeyContainer, IV8ValueMap, IV8ValueObject, IV8ValuePrimitiveObject<T>, IV8ValuePrimitiveValue<T>, IV8ValuePromise, IV8ValueProxy, IV8ValueReference, IV8ValueSet, IV8ValueTypedArray

All Known Implementing Classes:

V8Context, V8Module, V8Script, V8Value, V8ValueArguments, V8ValueArray, V8ValueArrayBuffer, V8ValueBigInteger, V8ValueBigNumber, V8ValueBoolean, V8ValueBooleanObject, V8ValueBuiltInJson, V8ValueBuiltInObject, V8ValueBuiltInPromise, V8ValueBuiltInReflect, V8ValueBuiltInSymbol, V8ValueDataView, V8ValueDouble, V8ValueDoubleObject, V8ValueError, V8ValueFunction, V8ValueGlobalObject, V8ValueInteger, V8ValueIntegerObject, V8ValueIterator, V8ValueLong, V8ValueLongObject, V8ValueMap, V8ValueNull, V8ValueNumber, V8ValueObject, V8ValuePrimitive, V8ValuePromise, V8ValueProxy, V8ValueReference, V8ValueRegExp, V8ValueSet, V8ValueSharedArrayBuffer, V8ValueString, V8ValueStringObject, V8ValueSymbol, V8ValueSymbolObject, V8ValueTypedArray, V8ValueUndefined, V8ValueUnknown, V8ValueWeakMap, V8ValueWeakSet, V8ValueZonedDateTime

public interface IV8Value
extends IJavetClosable, IV8Cloneable

The interface V8 value.

Since:

0.7.0

Method Summary

Modifier and Type	Method and Description
default boolean	asBoolean() A simulation of the JS if (variable)
default double	asDouble() As double.
default int	asInt() As int.
default long	asLong() As long.
default java.lang.String	asString() As string.
boolean	equals(V8Value v8Value) Equals.
V8Runtime	getV8Runtime() Gets V8 runtime.
default boolean	isNull() Is null.
default boolean	isNullOrUndefined() Is null or undefined.
default boolean	isUndefined() Is undefined.
boolean	sameValue(V8Value v8Value) Same value.
boolean	strictEquals(V8Value v8Value) Strict equals.

Methods inherited from interface com.caoccao.javet.interfaces.IJavetClosable

close, isClosed

Methods inherited from interface com.caoccao.javet.interop.IV8Cloneable

toClone, toClone

Method Detail

asBoolean

default boolean asBoolean()
                   throws JavetException

A simulation of the JS if (variable)

Returns:

true : yes, false : no

Throws:

JavetException - the javet exception

Since:

3.0.4

asDouble

default double asDouble()
                 throws JavetException

As double.

Returns:

the double value

Throws:

JavetException - the javet exception

Since:

3.0.4

asInt

default int asInt()
           throws JavetException

As int.

Returns:

the int value

Throws:

JavetException - the javet exception

Since:

3.0.4

asLong

default long asLong()
             throws JavetException

As long.

Returns:

the long value

Throws:

JavetException - the javet exception

Since:

3.0.4

asString

default java.lang.String asString()
                           throws JavetException

As string.

Returns:

the string value

Throws:

JavetException - the javet exception

Since:

3.0.4

equals

boolean equals(V8Value v8Value)
        throws JavetException

Equals.

The behavior is different from JS behavior but is the same as Java behavior.

Parameters:

v8Value - the V8 value

Returns:

the boolean

Throws:

JavetException - the javet exception

Since:

0.7.2

getV8Runtime

V8Runtime getV8Runtime()

Gets V8 runtime.

Returns:

the V8 runtime

Since:

0.9.1

isNull

default boolean isNull()

Is null.

Returns:

true : null, false : not null

Since:

0.7.2

isNullOrUndefined

default boolean isNullOrUndefined()

Is null or undefined.

Returns:

true : null or undefined, false : not null and not undefined

Since:

0.8.4

isUndefined

default boolean isUndefined()

Is undefined.

Returns:

true : undefined, false : not undefined

Since:

0.7.2

sameValue

boolean sameValue(V8Value v8Value)
           throws JavetException

Same value.

The behavior is different from JS behavior but is the same as Java behavior.

Parameters:

v8Value - the V8 value

Returns:

true : same, false : different

Throws:

JavetException - the javet exception

Since:

0.7.2

strictEquals

boolean strictEquals(V8Value v8Value)
              throws JavetException

Strict equals.

The behavior is different from JS behavior but is the same as Java behavior.

Parameters:

v8Value - the V8 value

Returns:

true : strict equals, false : different

Throws:

JavetException - the javet exception

Since:

0.7.2