| /* |
| * 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.geode.internal.cache.execute; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.geode.cache.execute.FunctionException; |
| import org.apache.geode.cache.execute.ResultCollector; |
| |
| |
| /** |
| * This interface is intended to be implemented by those ResultCollector classes whose |
| * getResult() methods are delegated to another class and the real result computation |
| * is implemented in the getResultInternal() methods. |
| * |
| * This is useful in conjunction with the ResultCollectorHolder class whose getResult() |
| * methods make sure that the result is only computed once. |
| * |
| */ |
| public interface CachedResultCollector<T, S> extends ResultCollector<T, S> { |
| |
| Object getResultInternal() throws FunctionException; |
| |
| Object getResultInternal(long timeout, TimeUnit unit) |
| throws FunctionException, InterruptedException; |
| } |