gaspersic/java-design-patterns
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Typically command pattern is implemented using

Browse Source 
interfaces and concrete classes. Refactor the
code to use the same
This commit is contained in:
Rakesh Venkatesh 2020-08-03 16:51:30 +02:00
parent 9ff5b9e7c0
commit 3ae7466647
3 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
command/src/main/java/com/iluwatar/command/Command.java
View File

@ -26,15 +26,14 @@ package com.iluwatar.command;
/** /**
* Interface for Commands. * Interface for Commands.
*/ */
public abstract class Command { public interface Command {
public abstract void execute(Target target); public void execute(Target target);
public abstract void undo(); public void undo();
public abstract void redo(); public void redo();
@Override public String toString();
public abstract String toString();
} }

2
command/src/main/java/com/iluwatar/command/InvisibilitySpell.java
View File

@ -26,7 +26,7 @@ package com.iluwatar.command;
/** /**
* InvisibilitySpell is a concrete command. * InvisibilitySpell is a concrete command.
*/ */
public class InvisibilitySpell extends Command { public class InvisibilitySpell implements Command {
private Target target; private Target target;

2
command/src/main/java/com/iluwatar/command/ShrinkSpell.java
View File

@ -26,7 +26,7 @@ package com.iluwatar.command;
/** /**
* ShrinkSpell is a concrete command. * ShrinkSpell is a concrete command.
*/ */
public class ShrinkSpell extends Command { public class ShrinkSpell implements Command {
private Size oldSize; private Size oldSize;
private Target target; private Target target;