com.vaadin.client.metadata
Class JsniInvoker

java.lang.Object
  com.vaadin.client.metadata.JsniInvoker

All Implemented Interfaces:

Invoker

public abstract class JsniInvoker
extends java.lang.Object
implements Invoker

Special Invoker that uses JSNI to invoke methods with limited visibility.

Since:

7.2

Author:

Vaadin Ltd

Constructor Summary

JsniInvoker()

Method Summary

java.lang.Object	invoke(java.lang.Object target, java.lang.Object... params)
protected abstract java.lang.Object	jsniInvoke(java.lang.Object target, JsArrayObject<java.lang.Object> params) Abstract method that will be generated to contain JSNI for invoking the actual method.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsniInvoker

public JsniInvoker()

Method Detail

invoke

public java.lang.Object invoke(java.lang.Object target,
                               java.lang.Object... params)

Specified by:

invoke in interface Invoker

jsniInvoke

protected abstract java.lang.Object jsniInvoke(java.lang.Object target,
                                               JsArrayObject<java.lang.Object> params)

Abstract method that will be generated to contain JSNI for invoking the actual method.

Parameters:

target - the object upon which to invoke the method

params - a js array with arguments to pass to the method

Returns:

the value returned by the invoked method, or null if the target method return type is void.