assets/dp-observer-seq.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="359px" preserveAspectRatio="none" style="width:505px;height:359px;" version="1.1" viewBox="0 0 505 359" width="505px" zoomAndPan="magnify"><defs><filter height="300%" id="fkdjdaovjz7o0" width="300%" x="-1" y="-1"><feGaussianBlur result="blurOut" stdDeviation="2.0"/><feColorMatrix in="blurOut" result="blurOut2" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .4 0"/><feOffset dx="4.0" dy="4.0" in="blurOut2" result="blurOut3"/><feBlend in="SourceGraphic" in2="blurOut3" mode="normal"/></filter></defs><g><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 5.0,5.0;" x1="35" x2="35" y1="38.4883" y2="318.9727"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 5.0,5.0;" x1="223" x2="223" y1="38.4883" y2="318.9727"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 5.0,5.0;" x1="357" x2="357" y1="38.4883" y2="318.9727"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 5.0,5.0;" x1="454" x2="454" y1="38.4883" y2="318.9727"/><rect fill="#FEFECE" filter="url(#fkdjdaovjz7o0)" height="30.4883" style="stroke: #A80036; stroke-width: 1.5;" width="51" x="8" y="3"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="37" x="15" y="23.5352">client</text><rect fill="#FEFECE" filter="url(#fkdjdaovjz7o0)" height="30.4883" style="stroke: #A80036; stroke-width: 1.5;" width="51" x="8" y="317.9727"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="37" x="15" y="338.5078">client</text><rect fill="#FEFECE" filter="url(#fkdjdaovjz7o0)" height="30.4883" style="stroke: #A80036; stroke-width: 1.5;" width="89" x="177" y="3"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="75" x="184" y="23.5352">observable</text><rect fill="#FEFECE" filter="url(#fkdjdaovjz7o0)" height="30.4883" style="stroke: #A80036; stroke-width: 1.5;" width="89" x="177" y="317.9727"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="75" x="184" y="338.5078">observable</text><rect fill="#FEFECE" filter="url(#fkdjdaovjz7o0)" height="30.4883" style="stroke: #A80036; stroke-width: 1.5;" width="83" x="314" y="3"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="69" x="321" y="23.5352">observer1</text><rect fill="#FEFECE" filter="url(#fkdjdaovjz7o0)" height="30.4883" style="stroke: #A80036; stroke-width: 1.5;" width="83" x="314" y="317.9727"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="69" x="321" y="338.5078">observer1</text><rect fill="#FEFECE" filter="url(#fkdjdaovjz7o0)" height="30.4883" style="stroke: #A80036; stroke-width: 1.5;" width="83" x="411" y="3"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="69" x="418" y="23.5352">observer2</text><rect fill="#FEFECE" filter="url(#fkdjdaovjz7o0)" height="30.4883" style="stroke: #A80036; stroke-width: 1.5;" width="83" x="411" y="317.9727"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="69" x="418" y="338.5078">observer2</text><polygon fill="#A80036" points="211.5,65.4883,221.5,69.4883,211.5,73.4883,215.5,69.4883" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="35.5" x2="217.5" y1="69.4883" y2="69.4883"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="149" x="42.5" y="65.0566">addObserver(observer1)</text><polygon fill="#A80036" points="211.5,94.7988,221.5,98.7988,211.5,102.7988,215.5,98.7988" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="35.5" x2="217.5" y1="98.7988" y2="98.7988"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="149" x="42.5" y="94.3672">addObserver(observer2)</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="223.5" x2="265.5" y1="128.4199" y2="128.4199"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="265.5" x2="265.5" y1="128.4199" y2="141.4199"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="224.5" x2="265.5" y1="141.4199" y2="141.4199"/><polygon fill="#A80036" points="234.5,137.4199,224.5,141.4199,234.5,145.4199,230.5,141.4199" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="120" x="230.5" y="123.6777">notifyObservers(...)</text><polygon fill="#A80036" points="345.5,166.4199,355.5,170.4199,345.5,174.4199,349.5,170.4199" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="223.5" x2="351.5" y1="170.4199" y2="170.4199"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="63" x="230.5" y="165.9883">update(...)</text><polygon fill="#A80036" points="442.5,195.7305,452.5,199.7305,442.5,203.7305,446.5,199.7305" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="223.5" x2="448.5" y1="199.7305" y2="199.7305"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="63" x="230.5" y="195.2988">update(...)</text><polygon fill="#A80036" points="211.5,225.041,221.5,229.041,211.5,233.041,215.5,229.041" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="35.5" x2="217.5" y1="229.041" y2="229.041"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="164" x="42.5" y="224.6094">deleteObserver(observer1)</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="223.5" x2="265.5" y1="258.6621" y2="258.6621"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="265.5" x2="265.5" y1="258.6621" y2="271.6621"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="224.5" x2="265.5" y1="271.6621" y2="271.6621"/><polygon fill="#A80036" points="234.5,267.6621,224.5,271.6621,234.5,275.6621,230.5,271.6621" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="120" x="230.5" y="253.9199">notifyObservers(...)</text><polygon fill="#A80036" points="442.5,296.6621,452.5,300.6621,442.5,304.6621,446.5,300.6621" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="223.5" x2="448.5" y1="300.6621" y2="300.6621"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="63" x="230.5" y="296.2305">update(...)</text><!--
@startuml

client - -> observable : addObserver(observer1)
client - -> observable : addObserver(observer2)

observable - -> observable : notifyObservers(...)

observable - -> observer1 : update(...)

observable - -> observer2 : update(...)

client - -> observable : deleteObserver(observer1)

observable - -> observable : notifyObservers(...)

observable - -> observer2 : update(...)

@enduml

PlantUML version 1.2017.16(Sun Sep 03 12:53:37 CEST 2017)
(GPL source distribution)
Java Runtime: Java(TM) SE Runtime Environment
JVM: Java HotSpot(TM) 64-Bit Server VM
Java Version: 1.8.0_144-b01
Operating System: Mac OS X
OS Version: 10.13.1
Default Encoding: UTF-8
Language: en
Country: US
--></g></svg>