public void setAttribute(
final String namespace, final String name, final Object value, final boolean notifyChange) {
if (copyOnWrite) {
this.attributes = attributes.clone();
this.copyOnWrite = false;
}
final Object oldValue = attributes.setAttribute(namespace, name, value);
if (cachedAttributes != null) {
if (cachedAttributes.getChangeTracker() != attributes.getChangeTracker()) {
cachedAttributes = null;
}
}
if (AttributeNames.Core.NAMESPACE.equals(namespace)
&& AttributeNames.Core.ELEMENT_TYPE.equals(name)) {
if (value instanceof ElementType) {
this.elementType = (ElementType) value;
} else {
this.elementType = LegacyType.INSTANCE;
}
}
if (notifyChange) {
notifyNodePropertiesChanged(new AttributeChange(namespace, name, oldValue, value));
}
}
