001 /*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2011 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
019 */
020 package org.sonar.api.web.gwt.client.webservices;
021
022 import java.util.ArrayList;
023 import java.util.List;
024
025 import com.google.gwt.core.client.JavaScriptObject;
026 import com.google.gwt.user.client.Timer;
027
028 /**
029 * @deprecated since 2.8. Use sonar-gwt-api instead.
030 */
031 @Deprecated
032 public class SequentialQueries extends Query<VoidResponse> {
033
034 private List<AjaxQuery<?>> queries = new ArrayList<AjaxQuery<?>>();
035 private int sleepTimeBetweenCbChecks;
036
037 private SequentialQueries(int sleepTimeBetweenCbChecks) {
038 this.sleepTimeBetweenCbChecks = sleepTimeBetweenCbChecks;
039 }
040
041 public static SequentialQueries get() {
042 return new SequentialQueries(50);
043 }
044
045 public static SequentialQueries get(int sleepTimeBetweenCbChecks) {
046 return new SequentialQueries(sleepTimeBetweenCbChecks);
047 }
048
049 public <R extends ResponsePOJO> SequentialQueries add(Query<R> query, QueryCallBack<R> callback) {
050 queries.add(new AjaxQuery<R>(query, callback));
051 return this;
052 }
053
054 @Override
055 public void execute(final QueryCallBack<VoidResponse> callback) {
056 for (AjaxQuery<?> query : queries) {
057 query.execute();
058 }
059 Timer queriesMonitor = new Timer() {
060 @Override
061 public void run() {
062 boolean queriesExecuted = true;
063 for (AjaxQuery<?> query : queries) {
064 if (!query.isCompleted()) {
065 queriesExecuted = false;
066 break;
067 }
068 }
069 if (queriesExecuted) {
070 callback.onResponse(new VoidResponse(), null);
071 cancel();
072 }
073 }
074 };
075 queriesMonitor.scheduleRepeating(sleepTimeBetweenCbChecks);
076 }
077
078 private class AjaxQuery<R extends ResponsePOJO> {
079 private Query<R> query;
080 private QueryCallBack<R> callback;
081
082 private boolean completed = false;
083
084 public AjaxQuery(Query<R> query, QueryCallBack<R> callback) {
085 super();
086 this.query = query;
087 this.callback = callback;
088 }
089
090 private void execute() {
091 QueryCallBack<R> proxy = new QueryCallBack<R>() {
092 public void onError(int errorCode, String errorMessage) {
093 callback.onError(errorCode, errorMessage);
094 completed = true;
095 }
096
097 public void onResponse(R response, JavaScriptObject jsonRawResponse) {
098 callback.onResponse(response, jsonRawResponse);
099 completed = true;
100 }
101
102 public void onTimeout() {
103 callback.onTimeout();
104 completed = true;
105 }
106 };
107 query.execute(proxy);
108 }
109
110 public boolean isCompleted() {
111 return completed;
112 }
113
114 }
115
116 }