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Improved IslandsManager#setSpawn(Island) + Javadoc

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Added some checks to improve the handling.
This commit is contained in:
Florian CUNY 2019-01-04 21:33:02 +01:00
parent 185082f261
commit 85fac3112f
1 changed files with 21 additions and 2 deletions
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23
src/main/java/world/bentobox/bentobox/managers/IslandsManager.java
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@ -442,7 +442,7 @@ public class IslandsManager {
/** /**
* Get the island that is defined as spawn in this world * Get the island that is defined as spawn in this world
* @param world - world * @param world world
* @return island or null * @return island or null
*/ */
public Island getSpawn(World world){ public Island getSpawn(World world){
@ -596,10 +596,29 @@ public class IslandsManager {
} }
/** /**
* @param spawn the spawn to set * Sets an Island to be the spawn of its World. It will become an unowned Island.
* <br/>
* If there was already a spawn set for this World, it will no longer be the spawn but it will remain unowned.
* @param spawn the Island to set as spawn.
* Must not be null.
*/ */
public void setSpawn(Island spawn) { public void setSpawn(Island spawn) {
if (spawn == null) {
return;
}
// Checking if there is already a spawn set for this world
if (this.spawn.containsKey(spawn.getWorld()) && this.spawn.get(spawn.getWorld()) != null) {
Island oldSpawn = this.spawn.get(spawn.getWorld());
if (oldSpawn.equals(spawn)) {
return; // The spawn is already the current spawn - no need to update anything.
} else {
oldSpawn.setSpawn(false);
}
}
this.spawn.put(spawn.getWorld(), spawn); this.spawn.put(spawn.getWorld(), spawn);
spawn.setSpawn(true);
} }
/** /**