Package com.vaadin.flow.component.internal

Class UIInternals.JavaScriptInvocation

java.lang.Object

com.vaadin.flow.component.internal.UIInternals.JavaScriptInvocation

All Implemented Interfaces:

Serializable

Enclosing class:

UIInternals

public static class UIInternals.JavaScriptInvocation
extends Object
implements Serializable

A Page.executeJs(String, Object...) invocation that has not yet been sent to the client.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
JavaScriptInvocation(@Nullable JsCall jsCall, String expression, Object... parameters)	Creates a new invocation for the given call, whose expression and parameters the caller has already resolved.
JavaScriptInvocation(String expression, Object... parameters)	Creates a new invocation.

Method Summary

Modifier and Type	Method	Description
String	getExpression()	Gets the JavaScript expression to invoke.
@Nullable JsCall	getJsCall()	Gets the call that this invocation performs, for a caller that acts on the invocation instead of running its JavaScript — the client, which looks up the generated function rather than compiling the expression, and a driver of the client side that recognizes the call.
List<Object>	getParameters()	Gets the parameters to use when invoking the script.

Methods inherited from class java.lang.Object

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

Constructor Details

JavaScriptInvocation

public JavaScriptInvocation(String expression,
 Object... parameters)

Creates a new invocation.

Parameters:

expression - the expression to invoke

parameters - a list of parameters to use when invoking the script

Since:

25.0

JavaScriptInvocation

public JavaScriptInvocation(@Nullable JsCall jsCall,
 String expression,
 Object... parameters)

Creates a new invocation for the given call, whose expression and parameters the caller has already resolved.

Parameters:

jsCall - the call that this invocation performs, or null if the invocation is plain JavaScript

expression - the expression to invoke

parameters - a list of parameters to use when invoking the script

Since:

25.4

Method Details

getExpression

public String getExpression()

Gets the JavaScript expression to invoke.

Returns:

the JavaScript expression

getParameters

public List<Object> getParameters()

Gets the parameters to use when invoking the script.

Returns:

a list of parameters to use

getJsCall

public @Nullable JsCall getJsCall()

Gets the call that this invocation performs, for a caller that acts on the invocation instead of running its JavaScript — the client, which looks up the generated function rather than compiling the expression, and a driver of the client side that recognizes the call.

Returns:

the call, or null if the invocation is plain JavaScript scheduled with an expression

Since:

25.4