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package javax.enterprise.deploy.model;
import java.beans.PropertyChangeEvent;
/**
* An Event class describing ConfigBeans being added/subtracted
* from a server configuration.
*/
public final class XpathEvent {
private final DDBean bean;
private final Object typ;
private PropertyChangeEvent changeEvent;
/**
* Adding a DDBean
*/
public static final Object BEAN_ADDED = new Object();
/**
* Removing a DDBean
*/
public static final Object BEAN_REMOVED = new Object();
/**
* Changing a DDBean
*/
public static final Object BEAN_CHANGED = new Object();
/**
* A description of a change in the ConfigBean tree.
* @param bean The ConfigBean being added/removed.
* @param typ Indicates an add/remove event.
*/
public XpathEvent(DDBean bean, Object typ) {
this.bean = bean; this.typ = typ;
}
public PropertyChangeEvent getChangeEvent() {
if(typ == BEAN_CHANGED) return changeEvent;
return null;
}
public void setChangeEvent(PropertyChangeEvent pce) {
changeEvent = pce;
}
/**
* The bean being added/removed/changed.
* @return The bean being added/removed/changed.
*/
public DDBean getBean() {return bean;}
/** Is this an add event?
* @return true if this is an add event.
*/
public boolean isAddEvent() {return typ == BEAN_ADDED;}
/** Is this a remove event?
* @return true if this is a remove event.
*/
public boolean isRemoveEvent() {return typ == BEAN_REMOVED;}
/** Is this a change event?
* @return true if this is a change event.
*/
public boolean isChangeEvent() {return typ == BEAN_CHANGED;}
}