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HHH-13831 Refresh listeners when one is replaced

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This commit is contained in:
Steve Ebersole 2020-01-29 12:53:08 -06:00
parent 2f86c4983f
commit 0a2dd4e126
1 changed files with 19 additions and 15 deletions
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34
hibernate-core/src/main/java/org/hibernate/event/service/internal/EventListenerGroupImpl.java
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@ -139,20 +139,22 @@ private void internalAppend(T listener) {
if ( listeners == null ) {
//noinspection unchecked
listeners = (T[]) Array.newInstance( eventType.baseListenerInterface(), 1 );
listeners[0] = listener;
this.listeners = (T[]) Array.newInstance( eventType.baseListenerInterface(), 1 );
this.listeners[0] = listener;
}
else {
final int size = listeners.length;
final int size = this.listeners.length;
//noinspection unchecked
final T[] newCopy = (T[]) Array.newInstance( eventType.baseListenerInterface(), size+1 );
// put the new one first
newCopy[0] = listener;
// first copy the existing listeners
System.arraycopy( this.listeners, 0, newCopy, 0, size );
// and copy the rest after it
System.arraycopy( listeners, 0, newCopy, 1, size );
// and then put the new one after them
newCopy[size] = listener;
this.listeners = newCopy;
}
}
@ -174,22 +176,24 @@ public final void prependListeners(T... listeners) {
private void internalPrepend(T listener) {
prepareListener( listener );
if ( listeners == null ) {
if ( this.listeners == null ) {
//noinspection unchecked
listeners = (T[]) Array.newInstance( eventType.baseListenerInterface(), 1 );
listeners[0] = listener;
this.listeners = (T[]) Array.newInstance( eventType.baseListenerInterface(), 1 );
this.listeners[0] = listener;
}
else {
final int size = listeners.length;
final int size = this.listeners.length;
//noinspection unchecked
final T[] newCopy = (T[]) Array.newInstance( eventType.baseListenerInterface(), size+1 );
// first copy the existing listeners
System.arraycopy( listeners, 0, newCopy, 0, size );
// put the new one first
newCopy[0] = listener;
// and then put the new one after them
newCopy[size] = listener;
// and copy the rest after it
System.arraycopy( this.listeners, 0, newCopy, 1, size );
this.listeners = newCopy;
}
}