org.apache.lucene.queryParser.core.nodes
Class FuzzyQueryNode

java.lang.Object
  extended by org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
      extended by org.apache.lucene.queryParser.core.nodes.FieldQueryNode
          extended by org.apache.lucene.queryParser.core.nodes.FuzzyQueryNode
All Implemented Interfaces:
Serializable, Cloneable, FieldableNode, FieldValuePairQueryNode<CharSequence>, QueryNode, TextableQueryNode, ValueQueryNode<CharSequence>

public class FuzzyQueryNode
extends FieldQueryNode

A FuzzyQueryNode represents a element that contains field/text/similarity tuple

See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.lucene.queryParser.core.nodes.FieldQueryNode
begin, end, field, positionIncrement, text
 
Fields inherited from class org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields
 
Constructor Summary
FuzzyQueryNode(CharSequence field, CharSequence term, float minSimilarity, int begin, int end)
           
 
Method Summary
 FuzzyQueryNode cloneTree()
          Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method
 int getPrefixLength()
           
 float getSimilarity()
           
 void setPrefixLength(int prefixLength)
           
 void setSimilarity(float similarity)
           
 CharSequence toQueryString(EscapeQuerySyntax escaper)
          convert to a query string understood by the query parser
 String toString()
          Every implementation of this class should return pseudo xml like this: For FieldQueryNode:
 
Methods inherited from class org.apache.lucene.queryParser.core.nodes.FieldQueryNode
getBegin, getEnd, getField, getFieldAsString, getPositionIncrement, getTermEscaped, getTermEscapeQuoted, getText, getTextAsString, getValue, setBegin, setEnd, setField, setPositionIncrement, setText, setValue
 
Methods inherited from class org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
add, add, allocate, clone, containsTag, containsTag, getChildren, getParent, getTag, getTag, getTagMap, getTags, isDefaultField, isLeaf, isRoot, set, setLeaf, setTag, setTag, unsetTag, unsetTag
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.apache.lucene.queryParser.core.nodes.QueryNode
add, add, containsTag, containsTag, getChildren, getParent, getTag, getTag, getTagMap, getTags, isLeaf, set, setTag, setTag, unsetTag, unsetTag
 

Constructor Detail

FuzzyQueryNode

public FuzzyQueryNode(CharSequence field,
                      CharSequence term,
                      float minSimilarity,
                      int begin,
                      int end)
Parameters:
field - - Field name
term - - Value
minSimilarity - - similarity value
begin - - position in the query string
end - - position in the query string
Method Detail

setPrefixLength

public void setPrefixLength(int prefixLength)

getPrefixLength

public int getPrefixLength()

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 interface QueryNode
Overrides:
toQueryString in class FieldQueryNode

toString

public String toString()
Description copied from class: QueryNodeImpl
Every implementation of this class should return pseudo xml like this: For FieldQueryNode:

Specified by:
toString in interface QueryNode
Overrides:
toString in class FieldQueryNode
See Also:
QueryNode.toString()

setSimilarity

public void setSimilarity(float similarity)

cloneTree

public FuzzyQueryNode 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 interface QueryNode
Overrides:
cloneTree in class FieldQueryNode
Returns:
the cloned tree
Throws:
CloneNotSupportedException

getSimilarity

public float getSimilarity()
Returns:
the similarity


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