halfdan/eva2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fixed the lister handling

Browse Source
This commit is contained in:
Michael de Paly 2010-02-11 01:04:09 +00:00
parent 7a44617da0
commit 952d3585a0
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/eva2/server/go/strategies/DifferentialEvolution.java
View File

@ -607,11 +607,14 @@ public class DifferentialEvolution implements InterfaceOptimizer, java.io.Serial
* @param ea * @param ea
*/ */
public void addPopulationChangedEventListener(InterfacePopulationChangedEventListener ea) { public void addPopulationChangedEventListener(InterfacePopulationChangedEventListener ea) {
if(this.m_Listener ==null){
this.m_Listener=new Vector<InterfacePopulationChangedEventListener>();
}
this.m_Listener.add(ea); this.m_Listener.add(ea);
} }
public boolean removePopulationChangedEventListener( public boolean removePopulationChangedEventListener(
InterfacePopulationChangedEventListener ea) { InterfacePopulationChangedEventListener ea) {
if (m_Listener.removeElement(ea)) { if (m_Listener!=null&&m_Listener.removeElement(ea)) {
return true; return true;
} else return false; } else return false;