Class WildcardQueryNode
- 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.standard.nodes.WildcardQueryNode
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- All Implemented Interfaces:
Cloneable,FieldableNode,FieldValuePairQueryNode<CharSequence>,QueryNode,TextableQueryNode,ValueQueryNode<CharSequence>
- Direct Known Subclasses:
PrefixWildcardQueryNode
public class WildcardQueryNode extends FieldQueryNode
AWildcardQueryNoderepresents wildcard query This does not apply to phrases. Examples:a*b*c Fl?w? m?ke*g.
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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 WildcardQueryNode(CharSequence field, CharSequence text, int begin, int end)WildcardQueryNode(FieldQueryNode fqn)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description WildcardQueryNodecloneTree()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.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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WildcardQueryNode
public WildcardQueryNode(CharSequence field, CharSequence text, int begin, int end)
- Parameters:
field- - field nametext- - value that contains one or more wild card characters (? or *)begin- - position in the query stringend- - position in the query string
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WildcardQueryNode
public WildcardQueryNode(FieldQueryNode fqn)
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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- 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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cloneTree
public WildcardQueryNode 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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