/**
* Returns true if an event notification can be sent to the subscriber for the specified published
* item based on the subsription configuration and subscriber status.
*
* @param leafNode the node that received the publication.
* @param publishedItem the published item to send or null if the publication didn't contain an
* item.
* @return true if an event notification can be sent to the subscriber for the specified published
* item.
*/
public boolean canSendPublicationEvent(LeafNode leafNode, PublishedItem publishedItem) {
if (!canSendEvents()) {
return false;
}
// Check that any defined keyword was matched (applies only if an item was published)
if (publishedItem != null && !isKeywordMatched(publishedItem)) {
return false;
}
// Check special conditions when subscribed to collection node
if (node.isCollectionNode()) {
// Check if not subscribe to items
if (Type.items != type) {
return false;
}
// Check if published node is a first-level child of the subscribed node
if (getDepth() == 1 && !node.isChildNode(leafNode)) {
return false;
}
// Check if published node is a descendant child of the subscribed node
if (getDepth() == 0 && !node.isDescendantNode(leafNode)) {
return false;
}
}
return true;
}
/**
* Returns true if an event notification can be sent to the subscriber of the collection node for
* a newly created node that was associated to the collection node or a child node that was
* deleted. The subscription has to be of type {@link Type#nodes}.
*
* @param originatingNode the node that was added or deleted from the collection node.
* @return true if an event notification can be sent to the subscriber of the collection node.
*/
boolean canSendChildNodeEvent(Node originatingNode) {
// Check that this is a subscriber to a collection node
if (!node.isCollectionNode()) {
return false;
}
if (!canSendEvents()) {
return false;
}
// Check that subscriber is using type "nodes"
if (Type.nodes != type) {
return false;
}
// Check if added/deleted node is a first-level child of the subscribed node
if (getDepth() == 1 && !node.isChildNode(originatingNode)) {
return false;
}
// Check if added/deleted node is a descendant child of the subscribed node
if (getDepth() == 0 && !node.isDescendantNode(originatingNode)) {
return false;
}
return true;
}
