| // LatLongProvider.java |
| package org.eclipse.stem.definitions.adapters.spatial.geo; |
| |
| /******************************************************************************* |
| * Copyright (c) 2006 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| import org.eclipse.stem.definitions.adapters.spatial.SpatialProvider; |
| |
| /** |
| * This interface is implemented by classes that provide Latitude and Longitude |
| * data. |
| */ |
| public interface LatLongProvider extends SpatialProvider { |
| |
| /** |
| * @return latitude/longitude data. |
| */ |
| LatLong getLatLong(); |
| |
| /** |
| * This is just like {@link #getLatLong()} except that it returns an empty |
| * instance of {@link LatLong} if the data has not been retrieved yet. As a |
| * side effect, it immediately schedules a |
| * {@link org.eclipse.core.runtime.jobs.Job} to retrieve the data. As such, |
| * a future call might produce a fully populated result. |
| * |
| * @return latitude/longitude data. |
| */ |
| LatLong getLatLongNoWait(); |
| |
| /** |
| * This method will return the Latitude and Longitude values for the adapted |
| * object, if such exists. |
| * @return Latitude and Longitude values for the adapted object |
| */ |
| double[] getCenter(); |
| |
| } // LatLongProvider |
