Class DeletedQueryNode
- java.lang.Object
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- org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
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- org.apache.lucene.queryparser.flexible.core.nodes.DeletedQueryNode
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- Direct Known Subclasses:
MatchNoDocsQueryNode,NoTokenFoundQueryNode
public class DeletedQueryNode extends QueryNodeImpl
ADeletedQueryNoderepresents a node that was deleted from the query node tree. It can be removed from the tree using theRemoveDeletedQueryNodesProcessorprocessor.
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Field Summary
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Fields inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields
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Constructor Summary
Constructors Constructor Description DeletedQueryNode()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description QueryNodecloneTree()Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() methodCharSequencetoQueryString(EscapeQuerySyntax escaper)convert to a query string understood by the query parserStringtoString()Every implementation of this class should return pseudo xml like this:-
Methods inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
add, add, allocate, clone, containsTag, getChildren, getParent, getTag, getTagMap, isDefaultField, isLeaf, isRoot, removeChildren, removeFromParent, set, setLeaf, setTag, unsetTag
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Method Detail
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toQueryString
public CharSequence toQueryString(EscapeQuerySyntax escaper)
Description copied from interface:QueryNodeconvert to a query string understood by the query parser
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toString
public String toString()
Description copied from class:QueryNodeImplEvery implementation of this class should return pseudo xml like this:For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>
- Specified by:
toStringin interfaceQueryNode- Overrides:
toStringin classQueryNodeImpl- See Also:
QueryNode.toString()
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cloneTree
public QueryNode cloneTree() throws CloneNotSupportedException
Description copied from interface:QueryNodeRecursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method- Specified by:
cloneTreein interfaceQueryNode- Overrides:
cloneTreein classQueryNodeImpl- Returns:
- the cloned tree
- Throws:
CloneNotSupportedException
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