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#590 Add explanation for Facade pattern

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This commit is contained in:
Ilkka Seppälä
2017-09-05 23:28:44 +03:00
parent a745c5d8ce
commit bd4247e864
6 changed files with 183 additions and 149 deletions
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facade/etc/facade.png
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88
facade/etc/facade.ucls
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@ -1,88 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<class-diagram version="1.1.8" icons="true" automaticImage="PNG" always-add-relationships="false" generalizations="true"
realizations="true" associations="true" dependencies="false" nesting-relationships="true">
<class id="1" language="java" name="com.iluwatar.facade.DwarvenGoldmineFacade" project="facade"
file="/facade/src/main/java/com/iluwatar/facade/DwarvenGoldmineFacade.java" binary="false" corner="BOTTOM_RIGHT">
<position height="160" width="376" x="50" y="263"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true"
sort-features="false" accessors="true" visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="2" language="java" name="com.iluwatar.facade.DwarvenMineWorker" project="facade"
file="/facade/src/main/java/com/iluwatar/facade/DwarvenMineWorker.java" binary="false" corner="BOTTOM_RIGHT">
<position height="231" width="171" x="50" y="463"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true"
sort-features="false" accessors="true" visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="3" language="java" name="com.iluwatar.facade.DwarvenCartOperator" project="facade"
file="/facade/src/main/java/com/iluwatar/facade/DwarvenCartOperator.java" binary="false" corner="BOTTOM_RIGHT">
<position height="124" width="181" x="-272" y="734"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true"
sort-features="false" accessors="true" visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="4" language="java" name="com.iluwatar.facade.DwarvenGoldDigger" project="facade"
file="/facade/src/main/java/com/iluwatar/facade/DwarvenGoldDigger.java" binary="false" corner="BOTTOM_RIGHT">
<position height="124" width="169" x="-51" y="734"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true"
sort-features="false" accessors="true" visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<enumeration id="5" language="java" name="com.iluwatar.facade.DwarvenMineWorker.Action" project="facade"
file="/facade/src/main/java/com/iluwatar/facade/DwarvenMineWorker.java" binary="false" corner="BOTTOM_RIGHT">
<position height="178" width="164" x="158" y="734"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true"
sort-features="false" accessors="true" visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</enumeration>
<class id="6" language="java" name="com.iluwatar.facade.DwarvenTunnelDigger" project="facade"
file="/facade/src/main/java/com/iluwatar/facade/DwarvenTunnelDigger.java" binary="false" corner="BOTTOM_RIGHT">
<position height="124" width="184" x="362" y="734"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true"
sort-features="false" accessors="true" visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<generalization id="7">
<end type="SOURCE" refId="6"/>
<end type="TARGET" refId="2"/>
</generalization>
<generalization id="8">
<end type="SOURCE" refId="4"/>
<end type="TARGET" refId="2"/>
</generalization>
<generalization id="9">
<end type="SOURCE" refId="3"/>
<end type="TARGET" refId="2"/>
</generalization>
<association id="10">
<end type="SOURCE" refId="1" navigable="false">
<attribute id="11" name="workers"/>
<multiplicity id="12" minimum="0" maximum="2147483647"/>
</end>
<end type="TARGET" refId="2" navigable="true"/>
<display labels="true" multiplicity="true"/>
</association>
<nesting id="13">
<end type="SOURCE" refId="2"/>
<end type="TARGET" refId="5"/>
</nesting>
<classifier-display autosize="true" stereotype="true" package="true" initial-value="false" signature="true"
sort-features="false" accessors="true" visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</classifier-display>
<association-display labels="true" multiplicity="true"/>
</class-diagram>

60
facade/etc/facade.urm.puml
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@ -1,60 +0,0 @@
@startuml
package com.iluwatar.facade {
class App {
+ App()
+ main(args : String[]) {static}
}
class DwarvenCartOperator {
- LOGGER : Logger {static}
+ DwarvenCartOperator()
+ name() : String
+ work()
}
class DwarvenGoldDigger {
- LOGGER : Logger {static}
+ DwarvenGoldDigger()
+ name() : String
+ work()
}
class DwarvenGoldmineFacade {
- workers : List<DwarvenMineWorker>
+ DwarvenGoldmineFacade()
+ digOutGold()
+ endDay()
- makeActions(workers : Collection<DwarvenMineWorker>, actions : Action[]) {static}
+ startNewDay()
}
abstract class DwarvenMineWorker {
- LOGGER : Logger {static}
+ DwarvenMineWorker()
- action(action : Action)
+ action(actions : Action[])
+ goHome()
+ goToMine()
+ goToSleep()
+ name() : String {abstract}
+ wakeUp()
+ work() {abstract}
}
~enum Action {
+ GO_HOME {static}
+ GO_TO_MINE {static}
+ GO_TO_SLEEP {static}
+ WAKE_UP {static}
+ WORK {static}
+ valueOf(name : String) : Action {static}
+ values() : Action[] {static}
}
class DwarvenTunnelDigger {
- LOGGER : Logger {static}
+ DwarvenTunnelDigger()
+ name() : String
+ work()
}
}
DwarvenGoldmineFacade --> "-workers" DwarvenMineWorker
Action ..+ DwarvenMineWorker
DwarvenCartOperator --|> DwarvenMineWorker
DwarvenGoldDigger --|> DwarvenMineWorker
DwarvenTunnelDigger --|> DwarvenMineWorker
@enduml

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