Class BooleanQueryNode
- 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.BooleanQueryNode
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- Direct Known Subclasses:
AndQueryNode,OrQueryNode,ProximityQueryNode,SynonymQueryNode
public class BooleanQueryNode extends QueryNodeImpl
ABooleanQueryNoderepresents a list of elements which do not have an explicit boolean operator defined between them. It can be used to express a boolean query that intends to use the default boolean operator.
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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 BooleanQueryNode(List<QueryNode> clauses)
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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 escapeSyntaxParser)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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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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toQueryString
public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser)
Description copied from interface:QueryNodeconvert to a query string understood by the query parser
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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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