QueryNodeProcessorpublic class NoChildOptimizationQueryNodeProcessor extends QueryNodeProcessorImpl
A NoChildOptimizationQueryNodeProcessor removes every
BooleanQueryNode, BoostQueryNode, TokenizedPhraseQueryNode or
ModifierQueryNode that do not have a valid children.
Example: When the children of these nodes are removed for any reason then the nodes may become invalid.
| Constructor | Description |
|---|---|
NoChildOptimizationQueryNodeProcessor() |
| Modifier and Type | Method | Description |
|---|---|---|
protected QueryNode |
postProcessNode(QueryNode node) |
This method is invoked for every node when walking up the tree.
|
protected QueryNode |
preProcessNode(QueryNode node) |
This method is invoked for every node when walking down the tree.
|
protected List<QueryNode> |
setChildrenOrder(List<QueryNode> children) |
This method is invoked for every node that has at least on child.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitgetQueryConfigHandler, process, processChildren, setQueryConfigHandlerpublic NoChildOptimizationQueryNodeProcessor()
protected QueryNode postProcessNode(QueryNode node) throws QueryNodeException
QueryNodeProcessorImplpostProcessNode in class QueryNodeProcessorImplnode - node the query node to be post-processedQueryNodeException - if something goes wrong during the query node processingprotected QueryNode preProcessNode(QueryNode node) throws QueryNodeException
QueryNodeProcessorImplpreProcessNode in class QueryNodeProcessorImplnode - the query node to be pre-processedQueryNodeException - if something goes wrong during the query node processingprotected List<QueryNode> setChildrenOrder(List<QueryNode> children) throws QueryNodeException
QueryNodeProcessorImplQueryNodeProcessorImpl.postProcessNode(QueryNode) is invoked.setChildrenOrder in class QueryNodeProcessorImplchildren - the list containing all current node's childrenQueryNodeException - if something goes wrong during the query node processingCopyright © 2000-2018 Apache Software Foundation. All Rights Reserved.