HadoopServerSelectionListContentProvider.java
上传用户:quxuerui
上传日期:2018-01-08
资源大小:41811k
文件大小:2k
源码类别:
网格计算
开发平台:
Java
- /**
- * 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.hadoop.eclipse.servers;
- import org.apache.hadoop.eclipse.server.HadoopServer;
- import org.eclipse.jface.viewers.IContentProvider;
- import org.eclipse.jface.viewers.ILabelProviderListener;
- import org.eclipse.jface.viewers.IStructuredContentProvider;
- import org.eclipse.jface.viewers.ITableLabelProvider;
- import org.eclipse.jface.viewers.Viewer;
- import org.eclipse.swt.graphics.Image;
- /**
- * Provider that enables selection of a predefined Hadoop server.
- */
- public class HadoopServerSelectionListContentProvider implements
- IContentProvider, ITableLabelProvider, IStructuredContentProvider {
- public void dispose() {
- }
- public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
- }
- public Image getColumnImage(Object element, int columnIndex) {
- return null;
- }
- public String getColumnText(Object element, int columnIndex) {
- if (element instanceof HadoopServer) {
- HadoopServer location = (HadoopServer) element;
- if (columnIndex == 0) {
- return location.getLocationName();
- } else if (columnIndex == 1) {
- return location.getMasterHostName();
- }
- }
- return element.toString();
- }
- public void addListener(ILabelProviderListener listener) {
- }
- public boolean isLabelProperty(Object element, String property) {
- return false;
- }
- public void removeListener(ILabelProviderListener listener) {
- }
- public Object[] getElements(Object inputElement) {
- return ServerRegistry.getInstance().getServers().toArray();
- }
- }