TaskScope.java

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package jsf2.demo.scrum.web.scope;

import java.util.concurrent.ConcurrentHashMap;
import javax.faces.application.Application;
import javax.faces.context.FacesContext;
import javax.faces.event.PostConstructCustomScopeEvent;
import javax.faces.event.PreDestroyCustomScopeEvent;
import javax.faces.event.ScopeContext;

/**
 * Actually, custom scope is a Map where the instances of managed bean are store.
 */
public class TaskScope extends ConcurrentHashMap<String,Object> {

    private Application application;
    private static final long serialVersionUID = -7242422398841995164L;


    public TaskScope(Application application) {
        this.application = application;   
    }

    //will call the postConstruct method.
    public void notifyCreate(String scopeName, FacesContext facesContext) {
        ScopeContext scopeContext = new ScopeContext(scopeName, this);
        application.publishEvent(facesContext, PostConstructCustomScopeEvent.class, scopeContext);
    }

    //will call the preDestroy method.
    public void notifyDestroy(String scopeName, FacesContext facesContext) {
        ScopeContext scopeContext = new ScopeContext(scopeName, this);
        application.publishEvent(facesContext, PreDestroyCustomScopeEvent.class, scopeContext);
    }

}