intellij-sdk-code-samples/reference_guide/img/subscribe.svg

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link start to #118--><path d="M26,75 C35.34,75 50.16,75 61.59,75 " fill="none" id="start-&gt;#118" style="stroke: #383838; stroke-width: 1.0;"/><polygon fill="#383838" points="66.89,75,57.89,71,61.89,75,57.89,79,66.89,75" style="stroke: #383838; stroke-width: 1.0;"/><text fill="#000000" font-family="Roboto" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="0" x="58.9531" y="93.1725"/><!--MD5=[e601120d78014dd199bf06f550140f6f]
link #118 to Get message\nbus reference--><path d="M89.56,73.53 C119.73,68.89 214.66,54.28 278.58,44.45 " fill="none" id="#118-&gt;Get message\nbus reference" style="stroke: #383838; stroke-width: 1.0;"/><polygon fill="#383838" points="283.9,43.63,274.3981,41.0388,278.9576,44.3871,275.6094,48.9466,283.9,43.63" style="stroke: #383838; stroke-width: 1.0;"/><text fill="#000000" font-family="Roboto" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="151" x="112" y="43.5352">don't have connection</text><!--MD5=[e6e995dc7ca7c46e7a5add9ba0a5c4d7]
link Get message\nbus reference to Create connection\nto the bus--><path d="M398.29,35 C440.86,35 499.79,35 546.69,35 " fill="none" id="Get message\nbus reference-&gt;Create connection\nto the bus" style="stroke: #383838; stroke-width: 1.0;"/><polygon fill="#383838" points="551.77,35,542.77,31,546.77,35,542.77,39,551.77,35" style="stroke: #383838; stroke-width: 1.0;"/><!--MD5=[10d386b9872602d0e8aed9cde3a7a12f]
link Create connection\nto the bus to Subscribe--><path d="M697.1,55.79 C709.32,59.33 721.73,62.94 733.11,66.24 " fill="none" id="Create connection\nto the bus-&gt;Subscribe" style="stroke: #383838; stroke-width: 1.0;"/><polygon fill="#383838" points="737.93,67.64,730.3926,61.3007,733.1262,66.2532,728.1737,68.9868,737.93,67.64" style="stroke: #383838; stroke-width: 1.0;"/><!--MD5=[3902186ca2a054370c6e1ae1830913a3]
link #118 to Subscribe--><path d="M91,75.08 C164.73,75.6 588.33,78.63 732.48,79.66 " fill="none" id="#118-&gt;Subscribe" style="stroke: #383838; stroke-width: 1.0;"/><polygon fill="#383838" points="737.9,79.7,728.9346,75.623,732.9002,79.6571,728.866,83.6227,737.9,79.7" style="stroke: #383838; stroke-width: 1.0;"/><text fill="#000000" font-family="Roboto" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="112" x="419" y="73.5352">have connection</text><!--MD5=[66353aef4f4573c09dd245c4b2d80a44]
link Subscribe to end--><path d="M825.23,80 C837.89,80 850.91,80 860.45,80 " fill="none" id="Subscribe-&gt;end" style="stroke: #383838; stroke-width: 1.0;"/><polygon fill="#383838" points="865.64,80,856.64,76,860.64,80,856.64,84,865.64,80" style="stroke: #383838; stroke-width: 1.0;"/><!--MD5=[7fad79b176e06d19fc86b2d1ba2ebbd0]
@startuml
skinparam monochrome true
skinparam shadowing true

skinparam DefaultFontName Roboto
skinparam DefaultMonospacedFontName "Roboto Mono"

skinparam DefaultFontSize 14
skinparam DefaultTextAlignment center
skinparam NoteTextAlignment left

skinparam ActivityBorderThickness 1
skinparam PartitionBorderThickness 1.5
left to right direction

(*) - -> if "" then
  - -> [don't have connection] "Get message\nbus reference"
  - -> "Create connection\nto the bus"
  - -> "Subscribe"
else
  - -> [have connection] "Subscribe"
endif
- -> (*)
@enduml

PlantUML version 1.2020.09(Sun May 10 03:51:06 PDT 2020)
(GPL source distribution)
Java Runtime: OpenJDK Runtime Environment
JVM: OpenJDK 64-Bit Server VM
Java Version: 11.0.6+8-b765.40
Operating System: Mac OS X
Default Encoding: UTF-8
Language: en
Country: US
--></g></svg>