| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.ignite.internal.client; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Future for asynchronous operations. |
| */ |
| public interface GridClientFuture<R> { |
| /** |
| * Synchronously waits for completion and returns result. |
| * |
| * @return Completed future result. |
| * @throws GridClientException In case of error. |
| */ |
| public R get() throws GridClientException; |
| |
| /** |
| * Synchronously waits for completion and returns result. |
| * |
| * @param timeout Timeout interval to wait future completes. |
| * @param unit Timeout interval unit to wait future completes. |
| * @return Completed future result. |
| * @throws GridClientException In case of error. |
| * @throws GridClientFutureTimeoutException If timed out before future finishes. |
| */ |
| public R get(long timeout, TimeUnit unit) throws GridClientException; |
| |
| /** |
| * Checks if future is done. |
| * |
| * @return Whether future is done. |
| */ |
| public boolean isDone(); |
| |
| /** |
| * Register new listeners for notification when future completes. |
| * |
| * Note that current implementations are calling listeners in |
| * the completing thread. |
| * |
| * @param lsnrs Listeners to be registered. |
| */ |
| public void listen(GridClientFutureListener<R>... lsnrs); |
| } |