001/* 002 * Copyright 2012-2013 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.actuate.trace; 018 019import java.util.Date; 020import java.util.Map; 021 022import org.springframework.util.Assert; 023 024/** 025 * A value object representing a trace event: at a particular time with a simple (map) 026 * information. Can be used for analyzing contextual information such as HTTP headers. 027 * 028 * @author Dave Syer 029 */ 030public final class Trace { 031 032 private final Date timestamp; 033 034 private final Map<String, Object> info; 035 036 public Trace(Date timestamp, Map<String, Object> info) { 037 super(); 038 Assert.notNull(timestamp, "Timestamp must not be null"); 039 Assert.notNull(info, "Info must not be null"); 040 this.timestamp = timestamp; 041 this.info = info; 042 } 043 044 public Date getTimestamp() { 045 return this.timestamp; 046 } 047 048 public Map<String, Object> getInfo() { 049 return this.info; 050 } 051 052}