Class FuzzyQueryNode
- 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.FieldQueryNode
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- org.apache.lucene.queryparser.flexible.core.nodes.FuzzyQueryNode
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- All Implemented Interfaces:
Cloneable,FieldableNode,FieldValuePairQueryNode<CharSequence>,QueryNode,TextableQueryNode,ValueQueryNode<CharSequence>
public class FuzzyQueryNode extends FieldQueryNode
AFuzzyQueryNoderepresents a element that contains field/text/similarity tuple
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Field Summary
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Fields inherited from class org.apache.lucene.queryparser.flexible.core.nodes.FieldQueryNode
begin, end, field, positionIncrement, text
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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 FuzzyQueryNode(CharSequence field, CharSequence term, float minSimilarity, int begin, int end)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description FuzzyQueryNodecloneTree()Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() methodintgetPrefixLength()floatgetSimilarity()voidsetPrefixLength(int prefixLength)voidsetSimilarity(float similarity)CharSequencetoQueryString(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.FieldQueryNode
getBegin, getEnd, getField, getFieldAsString, getPositionIncrement, getTermEscaped, getTermEscapeQuoted, getText, getTextAsString, getValue, setBegin, setEnd, setField, setPositionIncrement, setText, setValue
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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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Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.lucene.queryparser.flexible.core.nodes.QueryNode
add, add, containsTag, getChildren, getParent, getTag, getTagMap, isLeaf, removeChildren, removeFromParent, set, setTag, unsetTag
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Constructor Detail
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FuzzyQueryNode
public FuzzyQueryNode(CharSequence field, CharSequence term, float minSimilarity, int begin, int end)
- Parameters:
field- - Field nameterm- - ValueminSimilarity- - similarity valuebegin- - position in the query stringend- - position in the query string
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Method Detail
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setPrefixLength
public void setPrefixLength(int prefixLength)
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getPrefixLength
public int getPrefixLength()
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toQueryString
public CharSequence toQueryString(EscapeQuerySyntax escaper)
Description copied from interface:QueryNodeconvert to a query string understood by the query parser- Specified by:
toQueryStringin interfaceQueryNode- Overrides:
toQueryStringin classFieldQueryNode
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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 classFieldQueryNode- See Also:
QueryNode.toString()
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setSimilarity
public void setSimilarity(float similarity)
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cloneTree
public FuzzyQueryNode 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 classFieldQueryNode- Returns:
- the cloned tree
- Throws:
CloneNotSupportedException
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getSimilarity
public float getSimilarity()
- Returns:
- the similarity
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