/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.
*/
package com.hazelcast.client.util;
import com.hazelcast.client.impl.ClientMessageDecoder;
import com.hazelcast.client.spi.ClientContext;
import com.hazelcast.client.spi.impl.ClientInvocationFuture;
import com.hazelcast.core.ICompletableFuture;
/**
* An Abstract DelegatingFuture that can cancel a Runnable/Callable that is executed by an
* {@link com.hazelcast.core.IExecutorService}.
* It does this by sending a Cancellation Request to the remote owning member and then cancelling the running task.
*
* @param <V> Type of returned object from the get method of this class.
*/
public abstract class ClientCancellableDelegatingFuture<V> extends ClientDelegatingFuture<V> {
protected final ClientContext context;
protected final String uuid;
protected volatile boolean cancelled;
public ClientCancellableDelegatingFuture(ClientInvocationFuture future, ClientContext context,
String uuid, V defaultValue,
ClientMessageDecoder resultDecoder) {
super(future, context.getSerializationService(), resultDecoder, defaultValue);
this.context = context;
this.uuid = uuid;
}
public abstract boolean cancel(boolean mayInterruptIfRunning);
protected void waitForRequestToBeSend() throws InterruptedException {
ICompletableFuture future = getFuture();
ClientInvocationFuture clientCallFuture = (ClientInvocationFuture) future;
clientCallFuture.getInvocation().getSendConnectionOrWait();
}
@Override
public boolean isCancelled() {
return cancelled;
}
}