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/****************************************************************************
* Copyright (c) 2014 Composent, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.remoteservice.asyncproxy;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Future;
import org.eclipse.equinox.concurrent.future.IFuture;
public abstract class AbstractAsyncProxyRemoteService {
@SuppressWarnings("rawtypes")
protected abstract IFuture callAsync(AbstractAsyncProxyRemoteCall call);
@SuppressWarnings("rawtypes")
protected abstract Future callFutureAsync(AbstractAsyncProxyRemoteCall call);
protected abstract void callCompletableAsync(AbstractAsyncProxyRemoteCall call, IAsyncProxyCompletable completable);
@SuppressWarnings("unchecked")
protected Object callFuture(AbstractAsyncProxyRemoteCall call, @SuppressWarnings("rawtypes") Class returnType) {
// If the result value is a CompletableFuture then
// we callCompletableAsync
if (CompletableFuture.class.isAssignableFrom(returnType)) {
@SuppressWarnings("rawtypes")
CompletableFuture result = new CompletableFuture();
callCompletableAsync(call, (r,hadException,exception) -> {
if (hadException) result.completeExceptionally(exception);
else result.complete(r);
});
// And return the CompletableFuture
return result;
}
// Else if it's an IFuture then return
// IFuture result of callAsync
if (IFuture.class.isAssignableFrom(returnType))
return callAsync(call);
// Else it must be a Future return value
return callFutureAsync(call);
}
}
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