it.tidalwave.role.ui.javafx.impl.util.JavaFXSafeProxy Maven / Gradle / Ivy
/*
* #%L
* *********************************************************************************************************************
*
* SteelBlue
* http://steelblue.tidalwave.it - git clone [email protected]:tidalwave/steelblue-src.git
* %%
* Copyright (C) 2015 - 2015 Tidalwave s.a.s. (http://tidalwave.it)
* %%
*
* *********************************************************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* *********************************************************************************************************************
*
* $Id$
*
* *********************************************************************************************************************
* #L%
*/
package it.tidalwave.role.ui.javafx.impl.util;
import javax.annotation.Nonnull;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
/***********************************************************************************************************************
*
* An {@link InvocationHandler} that safely wraps all method calls with {@link #Platform.runLater(Runnable)}. The caller
* is not blocked if the method is declared as {@code void}; it is blocked otherwise, so it can immediately retrieve
* the result.
*
* This behaviour is required by {@link JavaFXSafeProxyCreator.#createNodeAndDelegate()}.
*
* TODO: add support for aysnc returning a Future.
*
* @author Fabrizio Giudici
* @version $Id$
*
**********************************************************************************************************************/
@RequiredArgsConstructor @Slf4j
public class JavaFXSafeProxy implements InvocationHandler
{
@Nonnull @Getter @Setter
private T delegate;
@Override
public Object invoke (final @Nonnull Object proxy, final @Nonnull Method method, final @Nonnull Object[] args)
throws Throwable
{
final AtomicReference