Java examples for Geographic Information System:Esri
create a ServiceFeatureTable with cache mode set to ON_INTERACTION_CACHE using esri
/*//from ww w. j av a 2s . co m * Copyright 2015 Esri. * * Licensed 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 com.esri.sampleviewer.samples.featurelayers; import javafx.application.Application; import javafx.application.Platform; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Label; import javafx.scene.control.TextArea; import javafx.scene.layout.StackPane; import javafx.scene.layout.VBox; import javafx.stage.Stage; import com.esri.arcgisruntime.datasource.arcgis.ServiceFeatureTable; import com.esri.arcgisruntime.geometry.Envelope; import com.esri.arcgisruntime.geometry.Point; import com.esri.arcgisruntime.geometry.SpatialReferences; import com.esri.arcgisruntime.layers.FeatureLayer; import com.esri.arcgisruntime.mapping.Basemap; import com.esri.arcgisruntime.mapping.Map; import com.esri.arcgisruntime.mapping.view.MapView; import com.esri.arcgisruntime.mapping.view.Viewpoint; /** * This sample demonstrates how to create a ServiceFeatureTable with cache mode * set to ON_INTERACTION_CACHE (this is the default mode for a Service Feature * Table). * <p> * ON_INTERACTION_CACHE retrieves data from the server when it is needed, * example would be after a pan or zoom. * <h4>How it Works</h4> * * A {@link ServiceFeatureTable} is created from a URL,then the cache mode is * set by passing ServiceFeatureTable.FeatureRequestMode.ON_INTERACTION_CACHE to * {@link ServiceFeatureTable#setFeatureRequestMode}. */ public class ServiceFeatureTableCache extends Application { private MapView mapView; private static final String SERVICE_FEATURE_URL = "http://sampleserver6.arcgisonline.com/arcgis/rest/services/PoolPermits/FeatureServer/0"; private static final String SAMPLES_THEME_PATH = "../resources/SamplesTheme.css"; @Override public void start(Stage stage) throws Exception { // create stack pane and application scene StackPane stackPane = new StackPane(); Scene scene = new Scene(stackPane); scene.getStylesheets() .add(getClass().getResource(SAMPLES_THEME_PATH) .toExternalForm()); // set title, size, and add scene to stage stage.setTitle("Feature Layer from Feature Server Sample"); stage.setWidth(800); stage.setHeight(700); stage.setScene(scene); stage.show(); // create a control panel VBox vBoxControl = new VBox(6); vBoxControl.setMaxSize(250, 190); vBoxControl.getStyleClass().add("panel-region"); // create sample label and description Label descriptionLabel = new Label("Sample Description"); descriptionLabel.getStyleClass().add("panel-label"); TextArea description = new TextArea( "This sample demonstrates how to create a Service Feature Table " + "with cache mode set to 'ON_INTERACTION_CACHE'."); description.setWrapText(true); description.autosize(); description.setEditable(false); // add sample label and description to the control panel vBoxControl.getChildren().addAll(descriptionLabel, description); try { // create a map with the light Gray Canvas basemap final Map map = new Map(Basemap.createLightGrayCanvas()); // set an initial viewpoint Point leftPoint = new Point(-1.30758164047166E7, 4014771.46954516, SpatialReferences.getWebMercator()); Point rightPoint = new Point(-1.30730056797177E7, 4016869.78617381, SpatialReferences.getWebMercator()); map.setInitialViewpoint(new Viewpoint(new Envelope(leftPoint, rightPoint))); // create the service feature table from url final ServiceFeatureTable serviceFeatureTable = new ServiceFeatureTable( SERVICE_FEATURE_URL); // explicitly set the mode to on interaction cache serviceFeatureTable .setFeatureRequestMode(ServiceFeatureTable.FeatureRequestMode.ON_INTERACTION_CACHE); // create the feature layer using the service feature table final FeatureLayer featureLayer = new FeatureLayer( serviceFeatureTable); // add the layer to the map map.getOperationalLayers().add(featureLayer); // create a view for this map and set map to it mapView = new MapView(); mapView.setMap(map); // add the map view and control box to stack pane stackPane.getChildren().addAll(mapView, vBoxControl); StackPane.setAlignment(vBoxControl, Pos.TOP_LEFT); StackPane.setMargin(vBoxControl, new Insets(10, 0, 0, 10)); } catch (Exception e) { // on any error, display stack trace e.printStackTrace(); } } /** * Stops and releases all resources used in application. * * @throws Exception if security manager doesn't allow JVM to exit with * current status */ @Override public void stop() throws Exception { // release resources when the application closes if (mapView != null) { mapView.dispose(); } Platform.exit(); System.exit(0); } /** * Opens and runs application. * * @param args arguments passed to this application */ public static void main(String[] args) { Application.launch(args); } }