Class NoTokenFoundQueryNode
- 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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- org.apache.lucene.queryparser.flexible.core.nodes.NoTokenFoundQueryNode
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public class NoTokenFoundQueryNode extends DeletedQueryNode
ANoTokenFoundQueryNode
is used if a term is convert into no tokens by the tokenizer/lemmatizer/analyzer (null).
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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 NoTokenFoundQueryNode()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description QueryNode
cloneTree()
Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() methodCharSequence
toQueryString(EscapeQuerySyntax escaper)
convert to a query string understood by the query parserString
toString()
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:QueryNode
convert to a query string understood by the query parser- Specified by:
toQueryString
in interfaceQueryNode
- Overrides:
toQueryString
in classDeletedQueryNode
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toString
public String toString()
Description copied from class:QueryNodeImpl
Every implementation of this class should return pseudo xml like this:For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>
- Specified by:
toString
in interfaceQueryNode
- Overrides:
toString
in classDeletedQueryNode
- See Also:
QueryNode.toString()
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cloneTree
public QueryNode cloneTree() throws CloneNotSupportedException
Description copied from interface:QueryNode
Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method- Specified by:
cloneTree
in interfaceQueryNode
- Overrides:
cloneTree
in classDeletedQueryNode
- Returns:
- the cloned tree
- Throws:
CloneNotSupportedException
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