| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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.google.gwt.user.client.rpc.impl; |
| |
| import com.google.gwt.core.client.JavaScriptObject; |
| |
| /** |
| * Sends stats events for RPC calls. |
| */ |
| public class RpcStatsContext { |
| /** |
| * A global counter/generator for ids to track any given request. |
| */ |
| private static int requestIdCounter; |
| |
| static int getNextRequestId() { |
| return requestIdCounter++; |
| } |
| |
| static int getLastRequestId() { |
| return requestIdCounter; |
| } |
| |
| private int requestId; |
| |
| public RpcStatsContext() { |
| this(getNextRequestId()); |
| } |
| |
| public RpcStatsContext(int requestId) { |
| this.requestId = requestId; |
| } |
| |
| public native JavaScriptObject bytesStat(String method, int bytes, String eventType) /*-{ |
| var stat = this.@com.google.gwt.user.client.rpc.impl.RpcStatsContext::timeStat(Ljava/lang/String;Ljava/lang/String;)(method, eventType); |
| stat.bytes = bytes; |
| return stat; |
| }-*/; |
| |
| public int getRequestId() { |
| return requestId; |
| } |
| |
| /** |
| * Indicates if RPC statistics should be gathered. |
| */ |
| public native boolean isStatsAvailable() /*-{ |
| return !!$stats; |
| }-*/; |
| |
| /** |
| * Always use this as {@link #isStatsAvailable()} && |
| * {@link #stats(JavaScriptObject)}. |
| */ |
| public native boolean stats(JavaScriptObject data) /*-{ |
| return $stats(data); |
| }-*/; |
| |
| public native JavaScriptObject timeStat(String method, String eventType) /*-{ |
| return { |
| moduleName: @com.google.gwt.core.client.GWT::getModuleName()(), |
| sessionId: $sessionId, |
| subSystem: 'rpc', |
| evtGroup: this.@com.google.gwt.user.client.rpc.impl.RpcStatsContext::requestId, |
| method: method, |
| millis: (new Date()).getTime(), |
| type: eventType |
| }; |
| }-*/; |
| |
| /** |
| * @param method |
| * @param result |
| * @param eventType |
| */ |
| public JavaScriptObject timeStat(String method, Object result, String eventType) { |
| return timeStat(method, eventType); |
| } |
| } |