| /* |
| * 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.openjpa.datacache; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| /** |
| * A query result. |
| * |
| * @author Abe White |
| */ |
| public class QueryResult |
| extends ArrayList { |
| |
| private final long _ex; |
| |
| /** |
| * Constructor; supply corresponding query key and result data. |
| */ |
| public QueryResult(QueryKey key, Collection data) { |
| super(data); |
| |
| if (key.getTimeout() == -1) |
| _ex = -1; |
| else |
| _ex = System.currentTimeMillis() + key.getTimeout(); |
| } |
| |
| /** |
| * Constructor to set internal data from a serializer. |
| */ |
| public QueryResult(Collection data, long ex) { |
| super(data); |
| _ex = ex; |
| } |
| |
| /** |
| * Expiration time, or -1 for no timeout. |
| */ |
| public long getTimeoutTime() { |
| return _ex; |
| } |
| |
| /** |
| * Whether this data is timed out. |
| */ |
| public boolean isTimedOut() { |
| return _ex != -1 && _ex < System.currentTimeMillis(); |
| } |
| } |